EXTREME HEAT WATCH
EXTREME HEAT WATCH ISSUED AUGUST 8 AT 2:33PM CDT UNTIL AUGUST 12 AT 8:00PM CDT
Effective: 2026-08-08 14:33:00
Expires: 2026-08-12 20:00:00
Issued by: NWS St Louis MO
Alert Text
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES UP TO 109POSSIBLE.
* 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.
More Information
Target Area
CLINTON, WASHINGTON, RANDOLPH, MADISON, ST. CLAIR, MONROE, BOONE, MONITEAU, COLE, OSAGE, CALLAWAY, MONTGOMERY, GASCONADE, WARREN, ST. CHARLES, FRANKLIN, ST. LOUIS, ST. LOUIS CITY, JEFFERSON
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