

499 

FPCA52 TJSJ 210712

ZFPPR 



Zone Forecast Product for Puerto Rico and the U.S. Virgin Islands

National Weather Service San Juan PR

312 AM AST Fri Aug 21 2020



PRZ001-212015-

San Juan and Vicinity-

Including the municipalities of Bayamon, Carolina, Catano, Guaynabo, 

San Juan, Toa Alta, Toa Baja, and Trujillo Alto

312 AM AST Fri Aug 21 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.TODAY...Mostly cloudy then becoming variably cloudy late in the

morning then becoming mostly cloudy then becoming variably cloudy

late in the afternoon. Scattered showers in the morning. Isolated

thunderstorms through the day. Numerous showers in the afternoon.

Highs around 87. Northeast winds up to 10 mph. Chance of rain

70 percent. 

.TONIGHT...Mostly cloudy with numerous showers and isolated

thunderstorms. Lows 82 lower elevations ranging to 72 higher

elevations. Northeast winds 5 to 10 mph. Chance of rain 70 percent. 

.SATURDAY...Cloudy with numerous showers and isolated thunderstorms.

Highs around 82. East winds 5 to 10 mph shifting to the southeast

5 to 15 mph in the afternoon. Chance of rain 70 percent. 

.SATURDAY NIGHT...Cloudy. Showers and isolated thunderstorms in the

evening, then numerous showers and isolated thunderstorms after

midnight. Lows 79 lower elevations ranging to 72 higher elevations.

Southeast winds 5 to 10 mph. Chance of rain 80 percent. 

.SUNDAY...Variably cloudy. Isolated showers in the morning, then

scattered showers and isolated thunderstorms in the afternoon. Highs

around 86. East winds 5 to 15 mph. Chance of rain 40 percent. 

.SUNDAY NIGHT...Variably cloudy with scattered showers. Lows

80 lower elevations ranging to 72 higher elevations. Chance of rain

50 percent. 

.MONDAY...Mostly cloudy with scattered showers in the morning, then

variably cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs 89 lower elevations ranging to 84 higher

elevations. Chance of rain 50 percent. 

.MONDAY NIGHT...Mostly cloudy with scattered showers and isolated

thunderstorms. Lows 80 lower elevations ranging to 72 higher

elevations. Chance of rain 50 percent. 

.TUESDAY...Variably cloudy with scattered showers in the morning,

then partly cloudy with isolated showers in the afternoon. Highs

92 lower elevations ranging to 87 higher elevations. Chance of rain

50 percent. 

.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows 80 lower

elevations ranging to 71 higher elevations. Chance of rain

20 percent. 

.WEDNESDAY...Variably cloudy with scattered showers. Highs around

87. Chance of rain 40 percent. 

.WEDNESDAY NIGHT...Variably cloudy with scattered showers. Lows

81 lower elevations ranging to 73 higher elevations. Chance of rain

50 percent. 

.THURSDAY...Variably cloudy with scattered showers and isolated

thunderstorms. Highs around 88. Chance of rain 50 percent. 



$$



PRZ002-212015-

Northeast-

Including the municipalities of Ceiba, Canovanas, Fajardo, Humacao, 

Loiza, Luquillo, Naguabo, and Rio Grande

312 AM AST Fri Aug 21 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.TODAY...Mostly cloudy then becoming partly cloudy late in the

morning then becoming variably cloudy. Scattered showers in the

morning. Isolated thunderstorms through the day. Numerous showers in

the afternoon. Highs 90 lower elevations ranging to 79 higher

elevations. Northeast winds up to 10 mph. Chance of rain 70 percent.

.TONIGHT...Variably cloudy in the evening then becoming mostly

cloudy. Numerous showers and isolated thunderstorms. Lows 82 lower

elevations ranging to 69 higher elevations. Northeast winds 5 to

15 mph. Chance of rain 70 percent. 

.SATURDAY...Cloudy with numerous showers and isolated thunderstorms.

Highs 85 lower elevations ranging to 79 higher elevations. East

winds 5 to 15 mph shifting to the southeast 10 to 15 mph in the

afternoon. Chance of rain 70 percent. 

.SATURDAY NIGHT...Cloudy. Showers and isolated thunderstorms in the

evening, then numerous showers and isolated thunderstorms after

midnight. Lows 80 lower elevations ranging to 69 higher elevations.

Southeast winds 10 to 15 mph. Chance of rain 80 percent. 

.SUNDAY...Variably cloudy. Isolated showers in the morning, then

scattered showers and isolated thunderstorms in the afternoon. Highs

89 lower elevations ranging to 81 higher elevations. East winds

10 to 15 mph. Chance of rain 40 percent. 

.SUNDAY NIGHT...Variably cloudy with scattered showers. Lows

81 lower elevations ranging to 69 higher elevations. Chance of rain

50 percent. 

.MONDAY...Mostly cloudy with scattered showers in the morning, then

variably cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs 89 lower elevations ranging to 78 higher

elevations. Chance of rain 50 percent. 

.MONDAY NIGHT...Mostly cloudy with scattered showers and isolated

thunderstorms. Lows 81 lower elevations ranging to 69 higher

elevations. Chance of rain 50 percent. 

.TUESDAY...Mostly cloudy in the morning then becoming variably

cloudy. Scattered showers and isolated thunderstorms. Highs 90 lower

elevations ranging to 82 higher elevations. Chance of rain

50 percent. 

.TUESDAY NIGHT...Variably cloudy with scattered showers. Lows

81 lower elevations ranging to 68 higher elevations. Chance of rain

30 percent. 

.WEDNESDAY...Variably cloudy with scattered showers. Highs 90 lower

elevations ranging to 80 higher elevations. Chance of rain

40 percent. 

.WEDNESDAY NIGHT...Mostly cloudy with scattered showers. Lows

82 lower elevations ranging to 69 higher elevations. Chance of rain

50 percent. 

.THURSDAY...Mostly cloudy in the morning then becoming variably

cloudy. Scattered showers and isolated thunderstorms. Breezy. Highs

91 lower elevations ranging to 81 higher elevations. Chance of rain

50 percent. 



$$



PRZ003-212015-

Southeast-

Including the municipalities of Arroyo, Guayama, Maunabo, Patillas, Salinas, 

and Yabucoa

312 AM AST Fri Aug 21 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.TODAY...Variably cloudy then becoming partly cloudy late in the

morning then becoming mostly cloudy then becoming variably cloudy

late in the afternoon. Scattered showers in the morning. Isolated

thunderstorms through the day. Numerous showers in the afternoon.

Highs 91 lower elevations ranging to 82 higher elevations. Northeast

winds up to 10 mph. Chance of rain 70 percent. 

.TONIGHT...Variably cloudy with scattered showers and isolated

thunderstorms early in the evening, then mostly cloudy with numerous

showers and isolated thunderstorms in the late evening and

overnight. Lows 82 lower elevations ranging to 71 higher elevations.

Northeast winds 5 to 10 mph. Chance of rain 70 percent. 

.SATURDAY...Cloudy with numerous showers and isolated thunderstorms.

Highs 85 lower elevations ranging to 79 higher elevations. North

winds around 5 mph shifting to the south 10 to 15 mph in the

afternoon. Chance of rain 70 percent. 

.SATURDAY NIGHT...Cloudy with showers and isolated thunderstorms.

Lows 80 lower elevations ranging to 69 higher elevations. Southeast

winds 10 to 15 mph. Chance of rain 80 percent. 

.SUNDAY...Variably cloudy. Scattered showers in the morning, then

scattered showers and isolated thunderstorms in the afternoon. Highs

88 lower elevations ranging to 83 higher elevations. East winds

10 to 15 mph. Chance of rain 40 percent. 

.SUNDAY NIGHT...Partly cloudy with isolated showers. Lows 81 lower

elevations ranging to 71 higher elevations. Chance of rain

20 percent. 

.MONDAY...Variably cloudy with scattered showers in the morning,

then mostly cloudy with scattered showers and isolated thunderstorms

in the afternoon. Highs 89 lower elevations ranging to 81 higher

elevations. Chance of rain 50 percent. 

.MONDAY NIGHT...Mostly cloudy with scattered showers and isolated

thunderstorms. Lows 81 lower elevations ranging to 71 higher

elevations. Chance of rain 50 percent. 

.TUESDAY...Mostly cloudy in the morning then becoming variably

cloudy. Scattered showers and isolated thunderstorms. Highs 89 lower

elevations ranging to 82 higher elevations. Chance of rain

50 percent. 

.TUESDAY NIGHT...Variably cloudy with scattered showers. Lows

81 lower elevations ranging to 69 higher elevations. Chance of rain

30 percent. 

.WEDNESDAY...Variably cloudy with scattered showers. Highs 90 lower

elevations ranging to 82 higher elevations. Chance of rain

40 percent. 

.WEDNESDAY NIGHT...Variably cloudy with scattered showers. Lows

82 lower elevations ranging to 71 higher elevations. Chance of rain

50 percent. 

.THURSDAY...Mostly cloudy in the morning then becoming variably

cloudy. Scattered showers and isolated thunderstorms. Breezy. Highs

92 lower elevations ranging to 83 higher elevations. Chance of rain

50 percent. Highest heat index readings around 108 in the afternoon.



$$



PRZ004-212015-

Eastern Interior-

Including the municipalities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, 

Gurabo, Juncos, Las Piedras, and San Lorenzo

312 AM AST Fri Aug 21 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.TODAY...Variably cloudy in the morning then becoming mostly cloudy.

Scattered showers in the morning. Isolated thunderstorms through the

day. Showers in the afternoon. Highs 90 lower elevations ranging to

81 higher elevations. Northeast winds up to 10 mph. Chance of rain

80 percent. 

.TONIGHT...Mostly cloudy with numerous showers and isolated

thunderstorms. Lows 77 lower elevations ranging to 70 higher

elevations. Northeast winds 5 to 10 mph. Chance of rain 70 percent. 

.SATURDAY...Cloudy with numerous showers and isolated thunderstorms.

Highs around 81. Northeast winds up to 5 mph shifting to the south

5 to 15 mph in the afternoon. Chance of rain 70 percent. 

.SATURDAY NIGHT...Cloudy with showers and isolated thunderstorms.

Lows 76 lower elevations ranging to 69 higher elevations. Southeast

winds 5 to 10 mph. Chance of rain 80 percent. 

.SUNDAY...Variably cloudy. Scattered showers in the morning, then

scattered showers and isolated thunderstorms in the afternoon. Highs

87 lower elevations ranging to 82 higher elevations. East winds 5 to

10 mph. Chance of rain 40 percent. 

.SUNDAY NIGHT...Variably cloudy with scattered showers. Lows

76 lower elevations ranging to 70 higher elevations. Chance of rain

50 percent. 

.MONDAY...Variably cloudy with scattered showers in the morning,

then mostly cloudy with scattered showers and isolated thunderstorms

in the afternoon. Highs 89 lower elevations ranging to 80 higher

elevations. Chance of rain 50 percent. 

.MONDAY NIGHT...Mostly cloudy with scattered showers and isolated

thunderstorms. Lows 75 lower elevations ranging to 70 higher

elevations. Chance of rain 50 percent. 

.TUESDAY...Variably cloudy with scattered showers and isolated

thunderstorms. Highs 90 lower elevations ranging to 81 higher

elevations. Chance of rain 50 percent. 

.TUESDAY NIGHT...Variably cloudy with scattered showers. Lows

75 lower elevations ranging to 69 higher elevations. Chance of rain

30 percent. 

.WEDNESDAY...Variably cloudy with scattered showers. Highs 89 lower

elevations ranging to 81 higher elevations. Chance of rain

40 percent. 

.WEDNESDAY NIGHT...Variably cloudy with scattered showers. Lows

77 lower elevations ranging to 71 higher elevations. Chance of rain

50 percent. 

.THURSDAY...Mostly cloudy in the morning then becoming variably

cloudy. Scattered showers and isolated thunderstorms. Highs 91 lower

elevations ranging to 82 higher elevations. Chance of rain

50 percent. Highest heat index readings around 108 in the afternoon.



$$



PRZ005-212015-

North Central-

Including the municipalities of Arecibo, Barceloneta, Dorado, Florida, 

Manati, Vega Alta, and Vega Baja

312 AM AST Fri Aug 21 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.TODAY...Mostly cloudy early in the morning then becoming variably

cloudy. Scattered showers in the morning. Isolated thunderstorms

through the day. Numerous showers in the afternoon. Highs around 87.

Northeast winds 5 to 15 mph. Chance of rain 70 percent. 

.TONIGHT...Mostly cloudy. Scattered showers and isolated

thunderstorms early in the evening, then numerous showers and

isolated thunderstorms in the late evening and overnight. Lows

80 lower elevations ranging to 73 higher elevations. Northeast winds

5 to 10 mph. Chance of rain 70 percent. 

.SATURDAY...Cloudy with numerous showers and isolated thunderstorms.

Highs around 83. Northeast winds up to 10 mph shifting to the

southeast in the afternoon. Chance of rain 70 percent. 

.SATURDAY NIGHT...Cloudy with numerous showers and isolated

thunderstorms. Lows 77 lower elevations ranging to 72 higher

elevations. Southeast winds 5 to 15 mph. Chance of rain 70 percent. 

.SUNDAY...Variably cloudy. Isolated showers in the morning, then

scattered showers and isolated thunderstorms in the afternoon. Highs

87 lower elevations ranging to 82 higher elevations. East winds 5 to

15 mph. Chance of rain 50 percent. 

.SUNDAY NIGHT...Partly cloudy with isolated showers. Lows 79 lower

elevations ranging to 71 higher elevations. Chance of rain

20 percent. 

.MONDAY...Variably cloudy with scattered showers. Highs around 88.

Chance of rain 50 percent. 

.MONDAY NIGHT...Partly cloudy with isolated showers. Lows 77 lower

elevations ranging to 71 higher elevations. Chance of rain

20 percent. 

.TUESDAY...Partly cloudy with isolated showers in the morning, then

variably cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs 93 lower elevations ranging to 87 higher

elevations. Chance of rain 50 percent. 

.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows 78 lower

elevations ranging to 70 higher elevations. Chance of rain

20 percent. 

.WEDNESDAY...Partly cloudy with isolated showers in the morning,

then variably cloudy with scattered showers and isolated

thunderstorms in the afternoon. Highs around 88. Chance of rain

50 percent. 

.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows

79 lower elevations ranging to 72 higher elevations. Chance of rain

20 percent. 

.THURSDAY...Partly cloudy with isolated showers in the morning, then

variably cloudy with scattered showers in the afternoon. Breezy.

Highs around 89. Chance of rain 40 percent. 



$$



PRZ006-212015-

Central Interior-

Including the municipalities of Aibonito, Barranquitas, Ciales, Coamo, 

Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba

312 AM AST Fri Aug 21 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.TODAY...Variably cloudy in the morning then becoming mostly cloudy.

Scattered showers in the morning. Isolated thunderstorms through the

day. Showers in the afternoon. Highs 90 lower elevations ranging to

78 higher elevations. Northeast winds up to 10 mph. Chance of rain

80 percent. 

.TONIGHT...Mostly cloudy. Scattered showers and isolated

thunderstorms early in the evening, then numerous showers and

isolated thunderstorms in the late evening and overnight. Lows

77 lower elevations ranging to 67 higher elevations. Northeast winds

around 5 mph. Chance of rain 70 percent. 

.SATURDAY...Cloudy with numerous showers and isolated thunderstorms.

Highs around 80. Northeast winds up to 5 mph shifting to the

southeast in the afternoon. Chance of rain 70 percent. 

.SATURDAY NIGHT...Cloudy. Showers and isolated thunderstorms in the

evening, then numerous showers and isolated thunderstorms after

midnight. Lows 76 lower elevations ranging to 65 higher elevations.

Southeast winds 5 to 10 mph. Chance of rain 80 percent. 

.SUNDAY...Variably cloudy. Scattered showers in the morning, then

scattered showers and isolated thunderstorms in the afternoon. Highs

87 lower elevations ranging to 79 higher elevations. East winds 5 to

10 mph. Chance of rain 50 percent. 

.SUNDAY NIGHT...Partly cloudy with isolated showers. Lows 75 lower

elevations ranging to 66 higher elevations. Chance of rain

20 percent. 

.MONDAY...Partly cloudy with isolated showers in the morning, then

mostly cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs 89 lower elevations ranging to 78 higher

elevations. Chance of rain 50 percent. 

.MONDAY NIGHT...Variably cloudy with scattered showers. Lows

75 lower elevations ranging to 67 higher elevations. Chance of rain

40 percent. 

.TUESDAY...Partly cloudy with isolated showers. Highs 90 lower

elevations ranging to 79 higher elevations. Chance of rain

20 percent. 

.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows 75 lower

elevations ranging to 67 higher elevations. Chance of rain

20 percent. 

.WEDNESDAY...Partly cloudy with isolated showers in the morning,

then variably cloudy with scattered showers and isolated

thunderstorms in the afternoon. Highs 89 lower elevations ranging to

78 higher elevations. Chance of rain 50 percent. 

.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows

76 lower elevations ranging to 66 higher elevations. Chance of rain

20 percent. 

.THURSDAY...Partly cloudy with isolated showers in the morning, then

variably cloudy with scattered showers in the afternoon. Highs

91 lower elevations ranging to 80 higher elevations. Chance of rain

40 percent. 



$$



PRZ007-212015-

Ponce and Vicinity-

Including the municipalities of Guayanilla, Juana Diaz, Yauco, Penuelas, 

Ponce, and Santa Isabel

312 AM AST Fri Aug 21 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.TODAY...Partly cloudy then becoming variably cloudy late in the

morning then becoming cloudy. Isolated showers in the morning, then

scattered showers early in the afternoon. Showers and isolated

thunderstorms late in the afternoon. Highs 91 lower elevations

ranging to 78 higher elevations. East winds up to 10 mph. Chance of

rain 80 percent. 

.TONIGHT...Variably cloudy. Scattered showers and isolated

thunderstorms in the evening, then scattered showers after midnight.

Lows 79 lower elevations ranging to 67 higher elevations. North

winds up to 5 mph. Chance of rain 50 percent. 

.SATURDAY...Mostly cloudy. Scattered showers and isolated

thunderstorms early in the morning, then numerous showers and

isolated thunderstorms in the late morning and afternoon. Highs

85 lower elevations ranging to 78 higher elevations. Northeast winds

up to 5 mph shifting to the southeast in the afternoon. Chance of

rain 70 percent. 

.SATURDAY NIGHT...Cloudy. Showers and isolated thunderstorms in the

evening, then numerous showers and isolated thunderstorms after

midnight. Lows 78 lower elevations ranging to 65 higher elevations.

Southeast winds 5 to 15 mph. Chance of rain 80 percent. 

.SUNDAY...Variably cloudy. Scattered showers in the morning, then

scattered showers and isolated thunderstorms in the afternoon. Highs

87 lower elevations ranging to 78 higher elevations. East winds 5 to

15 mph. Chance of rain 50 percent. 

.SUNDAY NIGHT...Partly cloudy with isolated showers. Lows 78 lower

elevations ranging to 66 higher elevations. Chance of rain less than

20 percent. 

.MONDAY...Partly cloudy with isolated showers in the morning, then

mostly cloudy with numerous showers and isolated thunderstorms in

the afternoon. Highs 89 lower elevations ranging to 78 higher

elevations. Chance of rain 60 percent. 

.MONDAY NIGHT...Partly cloudy with isolated showers. Lows 78 lower

elevations ranging to 67 higher elevations. Chance of rain

20 percent. 

.TUESDAY...Partly cloudy with isolated showers. Highs 89 lower

elevations ranging to 79 higher elevations. Chance of rain

20 percent. 

.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows 78 lower

elevations ranging to 67 higher elevations. Chance of rain

20 percent. 

.WEDNESDAY...Partly cloudy with isolated showers in the morning,

then variably cloudy with scattered showers in the afternoon. Highs

90 lower elevations ranging to 78 higher elevations. Chance of rain

50 percent. 

.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows

79 lower elevations ranging to 67 higher elevations. Chance of rain

20 percent. 

.THURSDAY...Partly cloudy with isolated showers in the morning, then

variably cloudy with scattered showers in the afternoon. Highs

92 lower elevations ranging to 80 higher elevations. Chance of rain

40 percent. Highest heat index readings around 108 in the afternoon.



$$



PRZ008-212015-

Northwest-

Including the municipalities of Aguadilla, Camuy, Hatillo, Isabela, 

and Quebradillas

312 AM AST Fri Aug 21 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.TODAY...Variably cloudy until late afternoon then becoming mostly

cloudy. Scattered showers in the morning. Isolated thunderstorms

through the day. Numerous showers in the afternoon. Highs around 88.

Northeast winds 5 to 15 mph. Chance of rain 70 percent. 

.TONIGHT...Mostly cloudy. Scattered showers and isolated

thunderstorms early in the evening, then numerous showers and

isolated thunderstorms in the late evening and overnight. Lows

82 lower elevations ranging to 73 higher elevations. Northeast winds

5 to 15 mph. Chance of rain 70 percent. 

.SATURDAY...Cloudy with numerous showers and isolated thunderstorms.

Highs around 83. Northeast winds 5 to 15 mph shifting to the

southeast in the afternoon. Chance of rain 70 percent. 

.SATURDAY NIGHT...Mostly cloudy. Numerous showers and isolated

thunderstorms in the evening, then scattered showers and isolated

thunderstorms after midnight. Lows 78 lower elevations ranging to

72 higher elevations. Southeast winds 5 to 15 mph. Chance of rain

70 percent. 

.SUNDAY...Variably cloudy. Isolated showers in the morning, then

scattered showers and isolated thunderstorms in the afternoon. Highs

88 lower elevations ranging to 82 higher elevations. East winds 5 to

15 mph. Chance of rain 50 percent. 

.SUNDAY NIGHT...Partly cloudy with isolated showers. Lows 80 lower

elevations ranging to 71 higher elevations. Chance of rain less than

20 percent. 

.MONDAY...Partly cloudy with isolated showers in the morning, then

variably cloudy with scattered showers in the afternoon. Highs

around 87. Chance of rain 40 percent. 

.MONDAY NIGHT...Partly cloudy with isolated showers. Lows 79 lower

elevations ranging to 71 higher elevations. Chance of rain

20 percent. 

.TUESDAY...Partly cloudy with isolated showers in the morning, then

mostly cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs around 86. Chance of rain 50 percent. 

.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows 78 lower

elevations ranging to 70 higher elevations. Chance of rain

20 percent. 

.WEDNESDAY...Partly cloudy with isolated showers in the morning,

then mostly cloudy with scattered showers and isolated thunderstorms

in the afternoon. Highs around 87. Chance of rain 50 percent. 

.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows

81 lower elevations ranging to 72 higher elevations. Chance of rain

20 percent. 

.THURSDAY...Partly cloudy with isolated showers in the morning, then

mostly cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs around 90. Chance of rain 50 percent. 



$$



PRZ009-212015-

Western Interior-

Including the municipalities of Adjuntas, Lares, Las Marias, Maricao, 

Sabana Grande, San Sebastian, and Utuado

312 AM AST Fri Aug 21 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.TODAY...Variably cloudy in the morning then becoming mostly cloudy.

Scattered showers in the morning, then showers and isolated

thunderstorms in the afternoon. Highs 91 lower elevations ranging to

79 higher elevations. Northeast winds up to 10 mph. Chance of rain

80 percent. 

.TONIGHT...Variably cloudy in the evening then becoming mostly

cloudy. Scattered showers and isolated thunderstorms. Lows 78 lower

elevations ranging to 69 higher elevations. Northeast winds up to

10 mph. Chance of rain 50 percent. 

.SATURDAY...Cloudy. Scattered showers and isolated thunderstorms

early in the morning, then numerous showers and isolated

thunderstorms in the late morning and afternoon. Highs around 81.

Northeast winds up to 10 mph shifting to the southeast in the

afternoon. Chance of rain 70 percent. 

.SATURDAY NIGHT...Cloudy with numerous showers and isolated

thunderstorms. Lows 77 lower elevations ranging to 67 higher

elevations. Southeast winds 5 to 10 mph. Chance of rain 70 percent. 

.SUNDAY...Variably cloudy. Isolated showers in the morning, then

scattered showers and isolated thunderstorms in the afternoon. Highs

86 lower elevations ranging to 78 higher elevations. East winds 5 to

10 mph. Chance of rain 50 percent. 

.SUNDAY NIGHT...Partly cloudy with isolated showers. Lows 76 lower

elevations ranging to 68 higher elevations. Chance of rain less than

20 percent. 

.MONDAY...Partly cloudy with isolated showers in the morning, then

mostly cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs 90 lower elevations ranging to 81 higher

elevations. Chance of rain 50 percent. 

.MONDAY NIGHT...Partly cloudy with isolated showers. Lows 76 lower

elevations ranging to 69 higher elevations. Chance of rain

20 percent. 

.TUESDAY...Partly cloudy with isolated showers in the morning, then

variably cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs 88 lower elevations ranging to 81 higher

elevations. Chance of rain 50 percent. 

.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows 76 lower

elevations ranging to 68 higher elevations. Chance of rain

20 percent. 

.WEDNESDAY...Partly cloudy with isolated showers in the morning,

then mostly cloudy with scattered showers and isolated thunderstorms

in the afternoon. Highs 88 lower elevations ranging to 79 higher

elevations. Chance of rain 50 percent. 

.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows

77 lower elevations ranging to 68 higher elevations. Chance of rain

20 percent. 

.THURSDAY...Partly cloudy with isolated showers in the morning, then

variably cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs 91 lower elevations ranging to 82 higher

elevations. Chance of rain 50 percent. 



$$



PRZ010-212015-

Mayaguez and Vicinity-

Including the municipalities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, 

Rincon, and San German

312 AM AST Fri Aug 21 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.TODAY...Variably cloudy in the morning then becoming mostly cloudy.

Scattered showers early in the morning, then isolated showers late

in the morning. Numerous showers and isolated thunderstorms in the

afternoon. Highs 91 lower elevations ranging to 82 higher

elevations. East winds up to 10 mph. Chance of rain 70 percent. 

.TONIGHT...Variably cloudy. Scattered showers and isolated

thunderstorms until early morning, then scattered showers early in

the morning. Lows 83 lower elevations ranging to 72 higher

elevations. Northeast winds 5 to 15 mph. Chance of rain 50 percent. 

.SATURDAY...Mostly cloudy. Scattered showers and isolated

thunderstorms early in the morning, then numerous showers and

isolated thunderstorms in the late morning and afternoon. Highs

85 lower elevations ranging to 80 higher elevations. Northeast winds

5 to 15 mph shifting to the southeast in the afternoon. Chance of

rain 70 percent. 

.SATURDAY NIGHT...Mostly cloudy. Numerous showers and isolated

thunderstorms in the evening, then scattered showers and isolated

thunderstorms after midnight. Lows 82 lower elevations ranging to

71 higher elevations. Southeast winds 5 to 15 mph. Chance of rain

70 percent. 

.SUNDAY...Variably cloudy with isolated showers in the morning, then

mostly cloudy with numerous showers and isolated thunderstorms in

the afternoon. Highs 89 lower elevations ranging to 80 higher

elevations. Southeast winds 5 to 15 mph. Chance of rain 60 percent. 

.SUNDAY NIGHT...Partly cloudy. Lows 82 lower elevations ranging to

72 higher elevations. 

.MONDAY...Partly cloudy with isolated showers in the morning, then

variably cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs 90 lower elevations ranging to 84 higher

elevations. Chance of rain 50 percent. 

.MONDAY NIGHT...Partly cloudy with isolated showers. Lows 82 lower

elevations ranging to 73 higher elevations. Chance of rain

20 percent. 

.TUESDAY...Partly cloudy with isolated showers in the morning, then

mostly cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs 87 lower elevations ranging to 81 higher

elevations. Chance of rain 50 percent. 

.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows 82 lower

elevations ranging to 71 higher elevations. Chance of rain

20 percent. 

.WEDNESDAY...Partly cloudy with isolated showers in the morning,

then mostly cloudy with scattered showers and isolated thunderstorms

in the afternoon. Highs 88 lower elevations ranging to 82 higher

elevations. Chance of rain 50 percent. 

.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows

83 lower elevations ranging to 72 higher elevations. Chance of rain

less than 20 percent. 

.THURSDAY...Partly cloudy with isolated showers in the morning, then

mostly cloudy with scattered showers and isolated thunderstorms in

the afternoon. Highs 91 lower elevations ranging to 85 higher

elevations. Chance of rain 50 percent. Highest heat index readings

around 108 in the afternoon. 



$$



PRZ011-212015-

Southwest-

Including the municipalities of Cabo Rojo, Guanica, and Lajas

312 AM AST Fri Aug 21 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.TODAY...Variably cloudy in the morning then becoming mostly cloudy.

Isolated showers in the morning, then showers and isolated

thunderstorms in the afternoon. Highs 92 lower elevations ranging to

87 higher elevations. Southeast winds up to 5 mph. Chance of rain

80 percent. 

.TONIGHT...Variably cloudy with isolated showers until early

morning, then variably cloudy with scattered showers early in the

morning. Lows 81 lower elevations ranging to 76 higher elevations.

North winds up to 10 mph. Chance of rain 40 percent. 

.SATURDAY...Variably cloudy with scattered showers in the morning,

then mostly cloudy with numerous showers and isolated thunderstorms

in the afternoon. Highs around 83. Northeast winds up to 10 mph

shifting to the southeast in the afternoon. Chance of rain

60 percent. 

.SATURDAY NIGHT...Cloudy with numerous showers and isolated

thunderstorms. Lows around 78. Southeast winds 10 to 20 mph. Chance

of rain 70 percent. 

.SUNDAY...Variably cloudy. Isolated showers in the morning, then

scattered showers and isolated thunderstorms in the afternoon. Highs

89 lower elevations ranging to 84 higher elevations. Southeast winds

5 to 15 mph. Chance of rain 50 percent. 

.SUNDAY NIGHT...Partly cloudy. Lows 81 lower elevations ranging to

75 higher elevations. 

.MONDAY...Partly cloudy with isolated showers in the morning, then

mostly cloudy with numerous showers and isolated thunderstorms in

the afternoon. Highs around 88. Chance of rain 60 percent. 

.MONDAY NIGHT...Partly cloudy with isolated showers. Lows 80 lower

elevations ranging to 75 higher elevations. Chance of rain

20 percent. 

.TUESDAY...Partly cloudy with isolated showers. Highs around 85.

Chance of rain 20 percent. 

.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows 80 lower

elevations ranging to 74 higher elevations. Chance of rain less than

20 percent. 

.WEDNESDAY...Partly cloudy with isolated showers in the morning,

then variably cloudy with scattered showers in the afternoon. Highs

around 87. Chance of rain 50 percent. 

.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows

81 lower elevations ranging to 75 higher elevations. Chance of rain

less than 20 percent. 

.THURSDAY...Partly cloudy with isolated showers in the morning, then

variably cloudy with scattered showers in the afternoon. Breezy.

Highs around 90. Chance of rain 50 percent. 



$$



PRZ012-212015-

Culebra-

312 AM AST Fri Aug 21 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.TODAY...Partly cloudy. Scattered showers and isolated thunderstorms

early in the morning, then isolated showers late in the morning.

Scattered showers and isolated thunderstorms in the afternoon. Highs

90 lower elevations ranging to 84 higher elevations. Northeast winds

10 to 15 mph. Chance of rain 50 percent. 

.TONIGHT...Variably cloudy in the evening then becoming mostly

cloudy. Numerous showers and isolated thunderstorms. Breezy. Lows

around 83. Northeast winds 15 to 20 mph. Chance of rain 70 percent. 

.SATURDAY...Cloudy with numerous showers and isolated thunderstorms.

Breezy. Highs around 83. Southeast winds 15 to 25 mph. Chance of

rain 70 percent. 

.SATURDAY NIGHT...Mostly cloudy with numerous showers and isolated

thunderstorms. Breezy. Lows around 80. Southeast winds 15 to 20 mph.

Chance of rain 70 percent. 

.SUNDAY...Variably cloudy with isolated showers. Highs 89 lower

elevations ranging to 84 higher elevations. East winds around

15 mph. Chance of rain 20 percent. 

.SUNDAY NIGHT...Variably cloudy with scattered showers. Breezy. Lows

around 81. Chance of rain 30 percent. 

.MONDAY...Mostly cloudy in the morning then becoming variably

cloudy. Scattered showers. Breezy. Highs 89 lower elevations ranging

to 83 higher elevations. Chance of rain 50 percent. 

.MONDAY NIGHT...Mostly cloudy with scattered showers and isolated

thunderstorms. Lows around 82. Chance of rain 50 percent. 

.TUESDAY...Mostly cloudy in the morning then becoming variably

cloudy. Scattered showers and isolated thunderstorms. Highs 89 lower

elevations ranging to 83 higher elevations. Chance of rain

50 percent. 

.TUESDAY NIGHT...Variably cloudy with scattered showers. Lows around

82. Chance of rain 30 percent. 

.WEDNESDAY...Variably cloudy with scattered showers. Highs 88 lower

elevations ranging to 83 higher elevations. Chance of rain

40 percent. 

.WEDNESDAY NIGHT...Mostly cloudy with scattered showers. Breezy.

Lows around 82. Chance of rain 50 percent. 

.THURSDAY...Mostly cloudy in the morning then becoming variably

cloudy. Scattered showers and isolated thunderstorms. Breezy. Highs

89 lower elevations ranging to 84 higher elevations. Chance of rain

50 percent. 



$$



PRZ013-212015-

Vieques-

312 AM AST Fri Aug 21 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.TODAY...Partly cloudy in the morning then becoming variably cloudy.

Scattered showers and isolated thunderstorms early in the morning,

then isolated showers late in the morning. Scattered showers and

isolated thunderstorms in the afternoon. Highs around 88. Northeast

winds 10 to 15 mph. Chance of rain 50 percent. 

.TONIGHT...Variably cloudy in the evening then becoming mostly

cloudy. Numerous showers and isolated thunderstorms. Breezy. Lows

around 82. Northeast winds 15 to 20 mph. Chance of rain 70 percent. 

.SATURDAY...Cloudy with numerous showers and isolated thunderstorms.

Highs around 84. Southeast winds 10 to 20 mph. Chance of rain

70 percent. 

.SATURDAY NIGHT...Cloudy. Showers and isolated thunderstorms in the

evening, then numerous showers and isolated thunderstorms after

midnight. Breezy. Lows around 79. Southeast winds 15 to 20 mph.

Chance of rain 80 percent. 

.SUNDAY...Variably cloudy. Isolated showers in the morning, then

scattered showers in the afternoon. Highs around 87. East winds

around 15 mph. Chance of rain 30 percent. 

.SUNDAY NIGHT...Variably cloudy with scattered showers. Breezy. Lows

around 81. Chance of rain 40 percent. 

.MONDAY...Mostly cloudy in the morning then becoming variably

cloudy. Scattered showers. Breezy. Highs 89 lower elevations ranging

to 84 higher elevations. Chance of rain 50 percent. 

.MONDAY NIGHT...Mostly cloudy with scattered showers and isolated

thunderstorms. Lows around 81. Chance of rain 50 percent. 

.TUESDAY...Mostly cloudy in the morning then becoming variably

cloudy. Scattered showers and isolated thunderstorms. Highs around

87. Chance of rain 50 percent. 

.TUESDAY NIGHT...Variably cloudy with scattered showers. Lows around

81. Chance of rain 30 percent. 

.WEDNESDAY...Variably cloudy with scattered showers. Highs around

87. Chance of rain 40 percent. 

.WEDNESDAY NIGHT...Mostly cloudy with scattered showers. Breezy.

Lows around 82. Chance of rain 50 percent. 

.THURSDAY...Mostly cloudy in the morning then becoming variably

cloudy. Scattered showers and isolated thunderstorms. Breezy. Highs

around 89. Chance of rain 50 percent. 



$$



VIZ001-212015-

St Thomas, St John and Adjacent Islands-

312 AM AST Fri Aug 21 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.TODAY...Partly cloudy. Scattered showers and isolated thunderstorms

early in the morning, then isolated showers late in the morning.

Scattered showers and isolated thunderstorms in the afternoon. Highs

92 lower elevations ranging to 85 higher elevations. Northeast winds

10 to 15 mph. Chance of rain 50 percent. 

.TONIGHT...Variably cloudy in the evening then becoming mostly

cloudy. Numerous showers and isolated thunderstorms. Breezy. Lows

83 lower elevations ranging to 77 higher elevations. Northeast winds

15 to 20 mph. Chance of rain 60 percent. 

.SATURDAY...Cloudy with numerous showers and isolated thunderstorms.

Breezy. Highs around 82. Southeast winds 15 to 25 mph. Chance of

rain 70 percent. 

.SATURDAY NIGHT...Mostly cloudy. Numerous showers and isolated

thunderstorms in the evening, then scattered showers and isolated

thunderstorms after midnight. Breezy. Lows 80 lower elevations

ranging to 75 higher elevations. Southeast winds 15 to 20 mph.

Chance of rain 60 percent. 

.SUNDAY...Variably cloudy in the morning then becoming partly

cloudy. Isolated showers. Breezy. Highs 89 lower elevations ranging

to 83 higher elevations. East winds 15 to 20 mph. Chance of rain

20 percent. 

.SUNDAY NIGHT...Variably cloudy with isolated showers. Breezy. Lows

82 lower elevations ranging to 77 higher elevations. Chance of rain

20 percent. 

.MONDAY...Mostly cloudy in the morning then becoming variably

cloudy. Scattered showers. Breezy. Highs 92 lower elevations ranging

to 84 higher elevations. Chance of rain 50 percent. 

.MONDAY NIGHT...Mostly cloudy with scattered showers and isolated

thunderstorms. Lows around 80. Chance of rain 50 percent. 

.TUESDAY...Mostly cloudy with scattered showers and isolated

thunderstorms in the morning, then variably cloudy with scattered

showers in the afternoon. Highs 91 lower elevations ranging to

84 higher elevations. Chance of rain 50 percent. 

.TUESDAY NIGHT...Partly cloudy with isolated showers. Breezy. Lows

82 lower elevations ranging to 77 higher elevations. Chance of rain

20 percent. 

.WEDNESDAY...Variably cloudy with scattered showers. Breezy. Highs

91 lower elevations ranging to 85 higher elevations. Chance of rain

40 percent. 

.WEDNESDAY NIGHT...Mostly cloudy with scattered showers. Breezy.

Lows 82 lower elevations ranging to 77 higher elevations. Chance of

rain 50 percent. 

.THURSDAY...Mostly cloudy with scattered showers and isolated

thunderstorms in the morning, then variably cloudy with scattered

showers in the afternoon. Breezy. Highs 91 lower elevations ranging

to 85 higher elevations. Chance of rain 50 percent. 



$$



VIZ002-212015-

St Croix-

312 AM AST Fri Aug 21 2020



...TROPICAL STORM WATCH IN EFFECT...

...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY

EVENING...



.TODAY...Partly cloudy. Scattered showers in the morning, then

scattered showers and isolated thunderstorms in the afternoon. Highs

92 lower elevations ranging to 85 higher elevations. Northeast winds

10 to 15 mph. Chance of rain 50 percent. 

.TONIGHT...Variably cloudy in the evening then becoming mostly

cloudy. Numerous showers and isolated thunderstorms. Lows 82 lower

elevations ranging to 77 higher elevations. Northeast winds 5 to

15 mph. Chance of rain 60 percent. 

.SATURDAY...Cloudy with numerous showers and isolated thunderstorms.

Highs around 83. Southeast winds 10 to 20 mph. Chance of rain

70 percent. 

.SATURDAY NIGHT...Mostly cloudy. Numerous showers and isolated

thunderstorms in the evening, then scattered showers and isolated

thunderstorms after midnight. Breezy. Lows around 78. Southeast

winds 15 to 20 mph. Chance of rain 70 percent. 

.SUNDAY...Variably cloudy in the morning then becoming partly

cloudy. Isolated showers. Highs around 87. East winds around 15 mph.

Chance of rain 20 percent. 

.SUNDAY NIGHT...Partly cloudy with isolated showers. Breezy. Lows

around 80. Chance of rain 20 percent. 

.MONDAY...Variably cloudy with scattered showers. Breezy. Highs

91 lower elevations ranging to 85 higher elevations. Chance of rain

40 percent. 

.MONDAY NIGHT...Mostly cloudy with scattered showers and isolated

thunderstorms. Lows around 80. Chance of rain 50 percent. 

.TUESDAY...Mostly cloudy with scattered showers and isolated

thunderstorms in the morning, then variably cloudy with scattered

showers in the afternoon. Highs 91 lower elevations ranging to

85 higher elevations. Chance of rain 50 percent. 

.TUESDAY NIGHT...Partly cloudy with isolated showers. Lows around

79. Chance of rain 20 percent. 

.WEDNESDAY...Variably cloudy with scattered showers. Breezy. Highs

92 lower elevations ranging to 85 higher elevations. Chance of rain

40 percent. 

.WEDNESDAY NIGHT...Mostly cloudy with scattered showers. Breezy.

Lows 82 lower elevations ranging to 77 higher elevations. Chance of

rain 50 percent. 

.THURSDAY...Variably cloudy. Scattered showers and isolated

thunderstorms in the morning, then scattered showers in the

afternoon. Breezy. Highs 93 lower elevations ranging to 86 higher

elevations. Chance of rain 50 percent. 



$$

