Latest status
* WHAT...Heat index values up to 101. * WHERE...Portions of south central and southwest Illinois and central, east central, and southeast Missouri. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Where it happened
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
Explore on the map →Latest reported details
- official severity
- Moderate
- urgency
- Expected
- certainty
- Likely
- event
- Heat Advisory
- areas
- 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
Missing values are unconfirmed, not zero. Magnitude and alert classifications do not establish casualty totals.
What officials are saying
Read the original reports below for instructions and the latest authoritative assessment. StormScapes does not independently confirm damage or issue evacuation orders.
What happens next
Follow updates from the responsible agency and local emergency management. Reports can change as new information becomes available.
Incident timeline
* WHAT...Heat index values up to 101. * WHERE...Portions of south central and southwest Illinois and central, east central, and southeast Missouri. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Storm