⚠️ Heat Advisory – Beckham; Washita; Caddo; Canadian; Oklahoma; Grady; McClain; Cleveland; Pottawatomie; Seminole; Hughes; Harmon; Greer; Kiowa; Jackson; Tillman; Comanche; Stephens; Garvin; Murray; Pontotoc; Coal; Cotton; Jefferson; Carter; Johnston; Atoka; Love; Marshall; Bryan; Hardeman; Foard; Wilbarger; Wichita; Knox; Baylor; Archer; Clay – Friday, September 11, 2026

Event	Heat Advisory
Severity	Moderate
Urgency	Expected
Certainty	Likely
Area	Beckham; Washita; Caddo; Canadian; Oklahoma; Grady; McClain; Cleveland; Pottawatomie; Seminole; Hughes; Harmon; Greer; Kiowa; Jackson; Tillman; Comanche; Stephens; Garvin; Murray; Pontotoc; Coal; Cotton; Jefferson; Carter; Johnston; Atoka; Love; Marshall; Bryan; Hardeman; Foard; Wilbarger; Wichita; Knox; Baylor; Archer; Clay
Effective	9/11/2026, 12:39:00 PM CDT
Expires	9/12/2026, 2:45:00 AM CDT

Heat Advisory issued September 11 at 12:39PM CDT until September 12 at 7:00PM CDT by NWS Norman OK

* WHAT…Heat index values up to 109 expected.

* WHERE…Portions of central, east central, southeast, southern,
southwest, and western Oklahoma and northern Texas.

* WHEN…From 1 PM to 7 PM CDT Saturday.

* IMPACTS…Hot temperatures and high humidity may cause heat
illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.