⚠️ Heat Advisory – Ellis; Woodward; Lincoln; Pottawatomie; Seminole; Hughes; Pontotoc; Coal; Johnston; Atoka; Marshall; Bryan – Saturday, August 22, 2026

Event	Heat Advisory
Severity	Moderate
Urgency	Expected
Certainty	Likely
Area	Ellis; Woodward; Lincoln; Pottawatomie; Seminole; Hughes; Pontotoc; Coal; Johnston; Atoka; Marshall; Bryan
Effective	8/22/2026, 1:48:00 PM CDT
Expires	8/22/2026, 7:30:00 PM CDT

Heat Advisory issued August 22 at 1:48PM CDT until August 23 at 8:00PM CDT by NWS Norman OK

* WHAT…Heat index values up to 110 expected.

* WHERE…Portions of central, east central, northwest, and southeast
Oklahoma.

* WHEN…From noon to 8 PM CDT Sunday.

* 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.