Excessive Heat in Adams, Illinois

Excessive Heat July 27, 2023 – July 28, 2023 · Adams, Illinois

What the National Weather Service wrote

Excessive heat across the county with highs between 100 to 103 degrees each day. Heat index values as high as 114 both days.

The wider storm

Strong upper level ridge built up over the region from July 25th through 29th. This ushered in much warmer air and higher dewpoints. So heat index values 100+ were reported from July 25th through 29th. The hottest days were July 27th, 28th and 29th, so an excessive heat warning was issued for portions of northeast/east central Missouri and west central/southwest Illinois. At least 50 people were seen in hospital emergency room departments during this three day period in St. Louis County/City for heat-related illnesses.

Source: NOAA Storm Events Database, event 1141418. Narratives are written by the National Weather Service forecast office that issued the report.

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