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Extreme Heat Warning
◍ Beauregard · USA · updated 8/21/2026, 4:09:00 AM
⏱ In effect until 12:00 PM UTC-5
Severity score
65/100
Confidence
High
Why this matters
* WHAT...Dangerously hot conditions with heat index values up to 113 expected. * WHERE...Portions of south central and southwest Louisiana and southeast Texas. * WHEN...From 10 AM to 8 PM CDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Key stats
Severity
Severe
Certainty
Likely
Urgency
Expected
Timeline
- Extreme Heat Warning8/21/2026, 4:09:00 AMExtreme Heat Warning issued August 20 at 11:09PM CDT until August 21 at 8:00PM CDT by NWS Lake Charles LA
Sources & attribution
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 Norman OKupdated 8/20/2026, 5:04:00 PM
OfficialNWS NWS Norman OKupdated 8/20/2026, 5:04:00 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.