Oklahoma Severe Severe Thunderstorm Warning | Effective 07/18/2026 16:40

Headline: 
Severe Thunderstorm Warning issued July 18 at 6:40PM CDT until July 18 at 7:00PM CDT by NWS Norman OK
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
July 18, 2026 - 4:40pm
Expires: 
July 18, 2026 - 5:00pm
Description: 
At 640 PM CDT, severe thunderstorms were located along a line extending from near Duke to near Martha, moving east at 5 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Altus, Blair, Martha, Headrick, Friendship, Altus Air Force Base, Warren, and Duke.
Instruction: 
For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Area Description: 
Greer, OK; Jackson, OK
Forcast Office: 
NWS Norman OK