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Extreme Heat Warning
◍ Kingfisher · USA · updated 8/21/2026, 5:06:00 AM
⏱ In effect until 2:15 PM UTC-5
Severity score
65/100
Confidence
High
Why this matters
* WHAT...Dangerously hot conditions with heat index values up to 111. * WHERE...In Oklahoma, Kingfisher, Logan, and Cotton Counties. In Texas, Clay County. * WHEN...Until 9 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Key stats
Severity
Severe
Certainty
Likely
Urgency
Expected
Severity over time
Timeline
- Extreme Heat Warning8/21/2026, 5:06:00 AMExtreme Heat Warning issued August 21 at 12:06AM CDT until August 21 at 9:00PM CDT by NWS Norman OK
Sources & attribution
OfficialNWS NWS Norman OKupdated 8/21/2026, 5:06:00 AM
OfficialNWS NWS Norman OKupdated 8/21/2026, 5:06:00 AM
OfficialNWS NWS Dodge City KSupdated 8/21/2026, 5:03:00 AM
OfficialNWS NWS Houston/Galveston TXupdated 8/21/2026, 4:52:00 AM
OfficialNWS NWS Jacksonville FLupdated 8/21/2026, 4:46:00 AM
OfficialNWS NWS Lake Charles LAupdated 8/21/2026, 4:09:00 AM
OfficialNWS NWS Amarillo TXupdated 8/21/2026, 4:04:00 AM
OfficialNWS NWS Tulsa OKupdated 8/21/2026, 4:03:00 AM
OfficialNWS NWS Corpus Christi TXupdated 8/21/2026, 3:48:00 AM
OfficialNWS NWS Salt Lake City UTupdated 8/21/2026, 3:43:00 AM
OfficialNWS NWS Salt Lake City UTupdated 8/21/2026, 3:43:00 AM
OfficialNWS NWS Lubbock TXupdated 8/21/2026, 3:33:00 AM
OfficialNWS NWS Birmingham ALupdated 8/21/2026, 2:40:00 AM
OfficialNWS NWS Birmingham ALupdated 8/21/2026, 2:40:00 AM
OfficialNWS NWS Mobile ALupdated 8/21/2026, 12:34:00 AM
OfficialNWS NWS Tallahassee FLupdated 8/20/2026, 6:21:00 PM
OfficialNWS NWS Pendleton ORupdated 8/20/2026, 5:30:00 PM
OfficialNWS NWS Pendleton ORupdated 8/20/2026, 5:30:00 PM
OfficialNWS NWS Spokane WAupdated 8/20/2026, 5:28:00 PM
OfficialNWS NWS Missoula MTupdated 8/20/2026, 4:25:00 PM
⚠This is an informational severity score, not an official warning. Follow guidance from NWS/NOAA, FEMA (ready.gov), and local emergency management.