Heat — Alexander, Illinois
2024-08-15 to 2024-08-16 · Alexander, Illinois
Wider weather episode
Southerly winds during the day bringing in moist air lifting dew points to the mid to upper 70s resulted in heat index values around 105F for portions of Southern Illinois near the Mississippi/Ohio confluence region on the 15th and 16th. The highest heat index was 109F at the Cairo Regional Airport AWOS on the 15th.
Source: NOAA Storm Events Database, event_id 1207829. Narrative written by the NWS forecast office that issued the report.