IEM :: Observation History

09 February 2026 Observation History, [RTNI4] Alton (IA10), timezone: America/Chicago

Time	Wind (mph)	Temperature (ºF)			Relative Humidity	Pavement Sensors: Temperature (ºF) (Condition)
Time	Wind (mph)	Air	Dwpt	Feels Like	Relative Humidity	Sensor 1	Sensor 2	Sensor 3	Sensor 4
12:00 AM	SE 0	31	22	31	69	29 (Ice Watch)	(NA)
12:05 AM	SE 0	31	22	31	70	29 (Ice Watch)	(NA)
12:10 AM	SE 0	30	22	30	71	29 (Ice Watch)	(NA)
12:20 AM	SE 0	30	22	30	71	29 (Ice Watch)	(NA)
12:30 AM	SE 0	28	20	28	71	28 (Ice Watch)	(NA)
12:40 AM	ESE 0	27	20	27	72	28 (Ice Watch)	(NA)
12:50 AM	ESE 0	27	20	27	74	28 (Ice Watch)	(NA)
1:00 AM	ESE 0	27	20	27	75	28 (Ice Watch)	(NA)
1:05 AM	SE 0	27	20	27	75	27 (Ice Watch)	(NA)
1:10 AM	SE 0	28	21	28	76	27 (Ice Watch)	(NA)
1:15 AM	SE 0	28	21	28	76	27 (Ice Watch)	(NA)
1:20 AM	SE 0	28	22	28	77	27 (Ice Watch)	(NA)
1:25 AM	SE 0	28	21	28	77	27 (Ice Watch)	(NA)
1:30 AM	ESE 0	27	21	27	77	27 (Ice Watch)	(NA)
1:40 AM	SSE 0	27	21	27	77	27 (Ice Watch)	(NA)
1:45 AM	ESE 0	26	20	26	77	27 (Ice Watch)	(NA)
1:50 AM	SE 0	27	21	27	78	27 (Ice Watch)	(NA)
2:00 AM	SE 0	28	22	28	78	27 (Ice Watch)	(NA)
2:05 AM	ESE 0	28	23	28	78	27 (Ice Watch)	(NA)
2:10 AM	ESE 0	28	22	28	78	27 (Ice Watch)	(NA)
2:20 AM	SE 0	28	22	28	78	27 (Ice Watch)	(NA)
2:30 AM	SE 0	28	22	28	78	27 (Ice Watch)	(NA)
2:35 AM	SE 0	28	23	28	78	27 (Ice Watch)	(NA)
2:40 AM	SE 0	28	22	28	78	27 (Ice Watch)	(NA)
2:45 AM	SE 0	28	23	28	79	27 (Ice Watch)	(NA)
2:50 AM	SE 0	28	23	28	79	27 (Ice Watch)	(NA)
3:00 AM	SE 0	28	23	28	79	27 (Ice Watch)	(NA)
3:05 AM	SE 0	28	23	28	79	27 (Ice Watch)	(NA)
3:10 AM	SE 0	28	23	28	79	27 (Ice Watch)	(NA)
3:15 AM	SE 0	28	22	28	79	27 (Ice Watch)	(NA)
3:25 AM	SE 0	28	23	28	79	27 (Ice Watch)	(NA)
3:30 AM	SE 0	28	23	28	80	27 (Ice Watch)	(NA)
3:35 AM	SE 0	28	23	28	80	26 (Ice Watch)	(NA)
3:40 AM	ESE 0	28	23	28	80	26 (Ice Watch)	(NA)
3:45 AM	ESE 0	28	23	28	80	27 (Ice Watch)	(NA)
3:50 AM	SE 0	28	23	28	80	26 (Ice Watch)	(NA)
4:00 AM	SE 0	29	24	29	80	27 (Ice Watch)	(NA)
4:10 AM	ESE 0	29	24	29	80	27 (Ice Watch)	(NA)
4:15 AM	SE 0	29	24	29	80	27 (Ice Watch)	(NA)
4:20 AM	SE 0	29	24	29	81	26 (Ice Watch)	(NA)
4:25 AM	ESE 0	28	24	28	81	26 (Ice Watch)	(NA)
4:30 AM	SE 0	28	23	28	81	26 (Ice Watch)	(NA)
4:35 AM	SE 0	28	24	28	82	26 (Ice Watch)	(NA)
4:40 AM	SE 0	28	24	28	82	26 (Ice Watch)	(NA)
4:45 AM	SE 0	29	24	29	82	26 (Ice Watch)	(NA)
4:50 AM	SE 0	29	24	29	82	26 (Ice Watch)	(NA)
5:00 AM	SE 0	29	24	29	82	26 (Ice Watch)	(NA)
5:15 AM	SE 0	28	23	28	83	26 (Ice Watch)	(NA)
5:25 AM	SE 0	28	24	28	83	26 (Ice Watch)	(NA)
5:40 AM	SE 0	28	24	28	84	26 (Ice Watch)	(NA)
5:45 AM	ESE 0	28	24	28	84	26 (Ice Watch)	(NA)
5:50 AM	SSE 0	29	25	29	84	26 (Ice Watch)	(NA)
6:00 AM	S 0	29	25	29	85	26 (Ice Watch)	(NA)
6:05 AM	NE 0	29	25	29	85	26 (Ice Watch)	(NA)
6:10 AM	S 0	28	24	28	85	26 (Ice Watch)	(NA)
6:20 AM	SE 0	27	23	27	85	26 (Ice Watch)	(NA)
6:25 AM	SE 0	27	23	27	85	26 (Ice Watch)	(NA)
6:30 AM	SE 0	27	24	27	85	26 (Ice Watch)	(NA)
6:35 AM	SSE 0	28	24	28	85	25 (Ice Watch)	(NA)
6:40 AM	SSE 0	28	24	28	86	26 (Ice Watch)	(NA)
6:45 AM	SSE 0	28	24	28	86	26 (Ice Watch)	(NA)
6:50 AM	E 0	28	24	28	86	26 (Ice Watch)	(NA)
6:55 AM	ESE 0	28	25	28	86	26 (Ice Watch)	(NA)
7:00 AM	SE 0	28	25	28	86	26 (Ice Watch)	(NA)
7:10 AM	SE 0	28	25	28	86	26 (Ice Watch)	(NA)
7:15 AM	SE 0	29	25	29	86	26 (Ice Watch)	(NA)
7:25 AM	SE 0	29	26	29	86	26 (Ice Watch)	(NA)
7:30 AM	SE 0	29	26	29	86	26 (Ice Watch)	(NA)
7:40 AM	SSE 0	30	26	30	86	27 (Ice Watch)	(NA)
7:45 AM	S 0	30	26	30	86	27 (Ice Watch)	(NA)
7:50 AM	SSE 0	30	26	30	86	27 (Ice Watch)	(NA)
7:55 AM	ENE 0	29	26	29	86	27 (Ice Watch)	(NA)
8:05 AM	ESE 0	30	26	30	86	28 (Ice Watch)	(NA)
8:10 AM	SE 0	30	27	30	86	29 (Ice Watch)	(NA)
8:15 AM	SE 0	31	28	31	86	29 (NA)	(NA)
8:25 AM	SSE 0	33	29	33	86	30 (NA)	(NA)
8:30 AM	SE 0	33	30	33	86	31 (NA)	(NA)
8:40 AM	ESE 0	35	31	35	84	32 (NA)	(NA)
8:45 AM	SE 0	35	31	35	83	32 (Wet)	(NA)
8:50 AM	SE 0	36	31	36	82	32 (NA)	(NA)
8:55 AM	SE 0	36	31	36	81	33 (NA)	(NA)
9:00 AM	SSE 0	37	31	37	79	34 (Wet)	(NA)
9:05 AM	SSE 0	37	31	37	78	34 (Wet)	(NA)
9:15 AM	SSE 0	38	31	38	75	35 (Wet)	(NA)
9:25 AM	SSE 0	39	31	39	72	37 (Wet)	(NA)
9:30 AM	SSE 0	40	31	40	71	37 (NA)	(NA)
9:35 AM	SSE 0	40	31	40	70	38 (Wet)	(NA)
9:40 AM	S 0	40	31	40	69	39 (Wet)	(NA)
9:45 AM	S 0	41	32	41	67	39 (Wet)	(NA)
9:50 AM	SSE 0	42	31	42	66	39 (Wet)	(NA)
10:00 AM	SSE 0	42	31	42	63	40 (Wet)	(NA)
10:05 AM	SSE 0	43	31	43	62	40 (Wet)	(NA)
10:10 AM	S 0	43	31	43	61	40 (Wet)	(NA)
10:15 AM	S 0	44	31	44	60	42 (Trace Moisture)	(NA)
10:20 AM	SSW 0	44	31	44	59	42 (Dry)	(NA)
10:25 AM	S 0	45	31	45	57	42 (Dry)	(NA)
10:30 AM	SSE 0	45	31	45	56	42 (Dry)	(NA)
10:40 AM	S 0	46	30	46	54	43 (Dry)	(NA)
10:50 AM	S 0	47	31	47	52	44 (Dry)	(NA)
11:00 AM	SSW 0	48	30	48	50	46 (Dry)	(NA)
11:10 AM	SSW 0	49	30	49	48	47 (Dry)	(NA)
11:15 AM	S 0	49	30	49	47	47 (Dry)	(NA)
11:25 AM	S 0	50	30	50	45	48 (Dry)	(NA)
11:30 AM	S 0	51	30	51	44	50 (Dry)	(NA)
11:40 AM	SSW 0	51	29	51	42	49 (Dry)	(NA)
11:50 AM	SSW 0	52	29	52	41	52 (Dry)	(NA)
12:00 PM	SSW 0	54	30	54	39	54 (Dry)	(NA)
12:10 PM	SSW 0	54	29	54	38	55 (Dry)	(NA)
12:15 PM	S 0	54	29	54	38	54 (Dry)	(NA)
12:20 PM	SSW 0	54	29	54	38	54 (Dry)	(NA)
12:25 PM	SSW 0	54	29	54	37	54 (Dry)	(NA)
12:30 PM	SSW 0	54	29	54	37	54 (Dry)	(NA)
12:40 PM	SSW 0	54	29	54	37	54 (Dry)	(NA)
12:50 PM	SSW 0	55	29	55	36	54 (Dry)	(NA)
12:55 PM	SSW 0	55	29	55	36	54 (Dry)	(NA)
1:00 PM	SSW 0	55	29	55	36	55 (Dry)	(NA)
1:10 PM	SSW 0	57	30	57	35	58 (Dry)	(NA)
1:20 PM	SSW 0	58	30	58	34	60 (Dry)	(NA)
1:25 PM	SSW 0	58	30	58	33	61 (Dry)	(NA)
1:30 PM	SW 0	58	30	58	33	61 (Dry)	(NA)
1:40 PM	SSW 0	59	30	59	33	60 (Dry)	(NA)
1:50 PM	SW 0	58	29	58	32	59 (Dry)	(NA)
1:55 PM	SW 0	59	30	59	32	59 (Dry)	(NA)
2:05 PM	SSW 0	59	30	59	32	59 (Dry)	(NA)
2:10 PM	SSW 0	60	30	60	31	60 (Dry)	(NA)
2:20 PM	SSW 0	61	30	61	30	61 (Dry)	(NA)

API: The IEM API webservice that provided data to this page. For more details, see documentation.

09 February 2026 Observation History, [RTNI4] Alton (IA10), timezone: America/Chicago

Data Notes