🌡️
Heat Advisory
◍ Choctaw · USA · updated 8/21/2026, 12:34:00 AM
⏱ In effect until 4:00 AM UTC-5
Severity score
65/100
Confidence
High
Why this matters
* WHAT...Heat index values up to 108 to 112 expected. * WHERE...Portions of south central and southwest Alabama, northwest Florida, and southeast Mississippi. * WHEN...From 11 AM to 8 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Key stats
Severity
Moderate
Certainty
Likely
Urgency
Expected
Severity over time
Timeline
- Heat Advisory8/21/2026, 12:34:00 AMHeat Advisory issued August 20 at 7:34PM CDT until August 21 at 8:00PM CDT by NWS Mobile AL
Sources & attribution
OfficialNWS NWS Mobile ALupdated 8/21/2026, 12:34:00 AM
OfficialNWS NWS Tallahassee FLupdated 8/20/2026, 6:21:00 PM
OfficialNWS NWS Lake Charles LAupdated 8/20/2026, 5:54:00 PM
OfficialNWS NWS Lake Charles LAupdated 8/20/2026, 5:54:00 PM
OfficialNWS NWS Amarillo TXupdated 8/20/2026, 5:33:00 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 Tulsa OKupdated 8/20/2026, 5:12:00 PM
OfficialNWS NWS Tulsa OKupdated 8/20/2026, 5:12:00 PM
OfficialNWS NWS Tulsa OKupdated 8/20/2026, 5:12:00 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
OfficialNWS NWS San Angelo TXupdated 8/20/2026, 4:16:00 PM
OfficialNWS NWS San Angelo TXupdated 8/20/2026, 4:16:00 PM
⚠This is an informational severity score, not an official warning. Follow guidance from NWS/NOAA, FEMA (ready.gov), and local emergency management.