Headline:
Extreme Heat Warning issued August 15 at 1:36AM CDT until August 16 at 9:00PM CDT by NWS St Louis MO
Event:
Extreme Heat Warning
Urgency:
Expected
Effective:
August 14, 2026 - 11:36pm
Expires:
August 15, 2026 - 2:45pm
Description:
* WHAT...Dangerously hot conditions with heat index values up to 108.
* WHERE...Marion IL County.
* WHEN...Until 9 PM CDT Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
Instruction:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Area Description:
Marion
Forcast Office:
NWS St Louis MO
Sender:
w-nws.webmaster@noaa.gov