Extreme Heat Warning for Southern Oklahoma and Northern Texas
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An Extreme Heat Warning is in effect from noon to 8 PM CDT Sunday for portions of southeast, southern, southwest, and western Oklahoma and northern Texas, with heat index values up to 113 expected.
Read this weather record in 30 seconds
- Record type
- Extreme Heat Warning
- Affected area
- Southern Oklahoma and Northern Texas
- Issued
- August 23, 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 11:02 PM CDT August 22 until 8:00 PM CDT August 23. Onset at 12:00 PM CDT Sunday.
Affected Areas
Portions of southeast, southern, southwest, and western Oklahoma and northern Texas, including Beckham, Washita, Harmon, Greer, Kiowa, Jackson, Tillman, Comanche, Stephens, Coal, Cotton, Jefferson, Carter, Johnston, Atoka, Love, Marshall, Bryan counties in Oklahoma and Hardeman, Foard, Wilbarger, Wichita, Knox, Baylor, Archer, Clay counties in Texas.
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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Expected Conditions
Dangerously hot conditions with heat index values up to 113 expected.
Timeline
Alert effective from 11:02 PM CDT August 22, with conditions from noon to 8 PM CDT Sunday, August 23.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,012 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 23, 2026.
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