Heat Advisory: 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

source: us-gov-api (us-gov-api:noaa-weather)published 2026-09-17 16:44ingested 2026-09-18 02:50

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Heat Advisory — 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 Severity: Moderate. Certainty: Likely. * WHAT...Heat index values up to 106. * WHERE...Portions of south central and southwest Illinois and central, east central, and southeast Missouri. * WHEN...Until 8 PM CDT Saturday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

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The historical document was shared with another weather alert and cannot be attributed to this record.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.