Past IEM Features tagged: sep13
The featured map displays the average September temperature rank for the long term climate sites in Iowa. For Des Moines, this September is currently the third warmest on record, but other sites in the state have ranks ranging from 7 to 28. The difference is probably due to the enhanced urban heat island effect for Des Moines. Temperatures will continue to be warm to finish off September today and it'll continue into October with highs in the 80s for much of Iowa.
Monday was one of the warmest days in September on record for Iowa with a number of locations hitting triple digits. The featured map shows reported high temperatures along with the number of years since as warm a temperature was reported in September. Waterloo and Des Moines had the warmest temperature since 1939. Iowa City had the warmest temperature since 1901! Today looks to be another scorching hot day with highs only in the upper 90s!