| Event | Extreme Heat Watch |
| Severity | Severe |
| Urgency | Future |
| Certainty | Likely |
| Area | Clinton; Washington; Randolph; Madison; St. Clair; Monroe; Boone; Moniteau; Cole; Osage; Callaway; Montgomery; Gasconade; Warren; St. Charles; Franklin; St. Louis; St. Louis City; Jefferson |
| Effective | 8/8/2026, 2:05:00 AM CDT |
| Expires | 8/8/2026, 5:15:00 PM CDT |
Extreme Heat Watch issued August 8 at 2:05AM CDT until August 12 at 8:00PM CDT by NWS St Louis MO
Details
* WHAT…Dangerously hot conditions with heat index values up to 108
possible.
* WHERE…Portions of south central and southwest Illinois and
central and east central Missouri.
* WHEN…From Sunday afternoon through Wednesday evening.
* IMPACTS…Heat related illnesses increase significantly during
extreme heat and high humidity events.
Instructions
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.
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