Headline:
Extreme Heat Watch issued August 8 at 2:33PM CDT until August 12 at 8:00PM CDT by NWS St Louis MO
Event:
Extreme Heat Watch
Urgency:
Future
Effective:
August 8, 2026 - 12:33pm
Expires:
August 9, 2026 - 4:00am
Description:
* WHAT...Dangerously hot conditions with heat index values up to 109
possible.
* WHERE...Portions of south central and southwest Illinois and
central and east central Missouri.
* WHEN...From Sunday afternoon through Wednesday evening.
* 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:
Clinton; Washington; Randolph; Madison; St. Clair; Monroe; Boone; Moniteau; Cole; Osage; Callaway; Montgomery; Gasconade; Warren; St. Charles; Franklin; St. Louis; St. Louis City; Jefferson
Forcast Office:
NWS St Louis MO
Sender:
w-nws.webmaster@noaa.gov