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Heat Advisory issued September 16 at 11:29AM CDT until September 19 at 8:00PM CDT by NWS St Louis MO

Heat Advisory · Expires: Sep 17, 2026 07:30 UTC

Severity: Moderate Urgency: Expected Certainty: Likely Updated: Sep 17, 2026 07:35 UTC Expired / Not indexed

Timing

Affected areas

This advisory may be issued as multiple alerts with different affected areas. Below are the official area texts grouped into one page.

Expires: Sep 17 07:30 UTC · Updated: Sep 17 07:35 UTC

Bond; Clinton; Marion; Washington; Randolph; Madison; St. Clair; Monroe; Moniteau; Cole; Osage; Gasconade; Warren; St. Charles; Franklin; St. Louis; St. Louis City; Jefferson; Crawford; Washington; St. Francois; Ste. Genevieve; Iron; Madison; Reynolds

Official source

View official alert on weather.gov