Oklahoma Severe Severe Thunderstorm Warning | Effective 06/21/2026 20:30

Headline: 
Severe Thunderstorm Warning issued June 21 at 10:30PM CDT until June 21 at 11:15PM CDT by NWS Norman OK
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 21, 2026 - 8:30pm
Expires: 
June 21, 2026 - 9:15pm
Description: 
SVROUN The National Weather Service in Norman has issued a * Severe Thunderstorm Warning for... Northern Harper County in northwestern Oklahoma... * Until 1115 PM CDT. * At 1029 PM CDT, severe thunderstorms were located along a line extending from 9 miles southeast of Acres to 11 miles west of Buffalo to near Rosston, moving east at 40 mph. THESE ARE DESTRUCTIVE STORMS FOR BUFFALO! HAZARD...80 mph wind gusts and ping pong ball size hail. SOURCE...Radar indicated. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be heavily damaged. Expect considerable damage to roofs, windows, and vehicles. Extensive tree damage and power outages are likely. * Locations impacted include... Buffalo, Rosston, and Selman.
Instruction: 
For your protection move to an interior room on the lowest floor of a building. This is an EXTREMELY DANGEROUS SITUATION. These storms are capable of producing widespread wind damage across locations near Buffalo. SEEK SHELTER NOW inside a sturdy structure and stay away from windows!
Area Description: 
Harper, OK
Forcast Office: 
NWS Norman OK