Extreme Heat Warning for Central Oklahoma Counties
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An Extreme Heat Warning is in effect until 9 PM CDT Friday for multiple Oklahoma counties, with heat index values up to 110 expected.
Read this weather record in 30 seconds
- Record type
- Extreme Heat Warning
- Affected area
- Central Oklahoma
- Issued
- August 20, 2026
- Issuing authority
- NWS Norman OK
Heat notices are time-bound and location-specific. Confirm the current forecast and local public-health guidance before relying on this archived record.
Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
Extreme Heat Warning issued by NWS Norman OK. Effective from August 20 at 12:04 PM CDT, with onset at 1:00 PM CDT, until August 21 at 9:00 PM CDT.
Affected Areas
Canadian, Oklahoma, Grady, McClain, Cleveland, Pottawatomie, Seminole, Hughes, Jefferson, and Stephens Counties.
What You Should Do
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Expected Conditions
Dangerously hot conditions with heat index values up to 110 expected.
Timeline
Alert effective August 20 at 12:04 PM CDT through August 21 at 9:00 PM CDT. Expires August 21 at 2:15 AM CDT.
Original source: NOAA Official Notice ↗
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