Heat — Alexander, Illinois

2024-07-14 to 2024-07-15 · Alexander, Illinois

Wider weather episode

With breezy southerly winds bringing dew points in the mid to upper 70s to Southern Illinois under high pressure, heat indices in most of Southern Illinois surged to 105-113F on the 14th and 15th. The highest observed heat index was 113F at the Mount Vernon Airport AWOS on the 15th.

Source: NOAA Storm Events Database, event_id 1201892. Narrative written by the NWS forecast office that issued the report.