| Event | Extreme Heat Warning |
| Severity | Severe |
| Urgency | Expected |
| Certainty | Likely |
| Area | Canadian; Oklahoma; Grady; McClain; Cleveland; Pottawatomie; Seminole; Hughes; Stephens; Jefferson |
| Effective | 8/20/2026, 12:04:00 PM CDT |
| Expires | 8/21/2026, 2:15:00 AM CDT |
Extreme Heat Warning issued August 20 at 12:04PM CDT until August 21 at 9:00PM CDT by NWS Norman OK
Details
* WHAT…Dangerously hot conditions with heat index values up to 110
expected.
* WHERE…Canadian, Cleveland, Grady, McClain, Oklahoma,
Pottawatomie, Seminole, Hughes, Jefferson, and Stephens Counties.
* WHEN…Until 9 PM CDT Friday.
* 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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