Extreme Heat Warning: Clinton; Washington; Randolph; Madison; St. Clair; Monroe; Boone; Moniteau; Cole; Osage; Callaway; Montgomery; Gasconade; Warren; St. Charles; Franklin; St. Louis; St. Louis City; Jefferson; Ste. Genevieve

source: us-gov-api (us-gov-api:noaa-weather)published 2026-07-03 14:06ingested 2026-07-04 08:43

extract

Extreme Heat Warning — Clinton; Washington; Randolph; Madison; St. Clair; Monroe; Boone; Moniteau; Cole; Osage; Callaway; Montgomery; Gasconade; Warren; St. Charles; Franklin; St. Louis; St. Louis City; Jefferson; Ste. Genevieve Severity: Severe. Certainty: Likely. * WHAT...Dangerously hot conditions with heat index values up to 108. * WHERE...Portions of south central and southwest Illinois and central, east central, and southeast Missouri. * WHEN...Until 8 PM CDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

retained text

The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.