Excessive Heat in Monroe, Illinois
Excessive Heat August 15, 2025 – August 18, 2025 · Monroe, Illinois
What the National Weather Service wrote
The combination of temperatures in the upper 90s and high humidity led to heat index values over 105 degrees for several days. The heat index peaked around 110 degrees.
The wider storm
The hottest temperatures of the year were accompanied by high humidity, combining to produce several days of heat index values over 105 degrees.
Source: NOAA Storm Events Database, event 1281016. Narratives are written by the National Weather Service forecast office that issued the report.
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