NWS Norman OKXH.W 0016August 23, 2026
Extreme Heat Warning: Harmon, Jackson, Tillman and 10 more, OK and TX
The National Weather Service office in Norman issued an extreme heat warning for Harmon, Jackson, Tillman and 10 more in Oklahoma, Texas, which was in force until 8:00 p.m. local time on August 24. It was the 16th extreme heat warning the NWS office in Norman issued in 2026. Oklahoma had 15 extreme heat warnings in August 2026, against 5 in an average August of 2008-2025 (Oklahoma's extreme heat warnings by year).
ExpiredWarning
In force for 8 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Norman OK
- Area
- Harmon, Jackson, Tillman and 10 more
- State
- Oklahoma
- Level
- Warning
- Issued
- 8:34 p.m. CDT, August 23, 2026
- In force from
- 12:00 p.m. CDT, August 24, 2026
- Expires
- 8:00 p.m. CDT, August 24, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Expected
- VTEC event
- KOUN XH.W 0016
- Official source
- National Weather Service: the notice at its source
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
* WHAT...Dangerously hot conditions with heat index values or temperatures up to 114 expected. * WHERE...Portions of southern and southwest Oklahoma and northern Texas. * WHEN...From noon to 8 PM CDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
What the agency told people to do
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.