# 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; Crawford; Washington; St. Francois; Ste. Genevieve; Iron; Madison; Reynolds — retained record

> Retained us-gov-api record from us-gov-api:noaa-weather.

Canonical: https://highsignal.app/data/records/f0d87d27e2065ae7

[← sources](https://highsignal.app/data)


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-08-14 13:20 ingested 2026-08-15 06:39

[original source ↗](http://www.weather.gov/)

## 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; Crawford; Washington; St. Francois; Ste. Genevieve; Iron; Madison; Reynolds
Severity: Severe. Certainty: Likely.
* WHAT...Dangerously hot conditions with heat index values up to 109.

* WHERE...Portions of south central and southwest Illinois and
central, east central, and southeast Missouri.

* WHEN...Until 9 PM CDT Sunday.

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The historical document was shared with another weather alert and cannot be attributed to this record.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