Montana High Wind Warning | Effective 05/12/2026 22:48

Headline: 
High Wind Warning issued May 12 at 11:48PM MDT until May 13 at 9:00PM MDT by NWS Great Falls MT
Event: 
High Wind Warning
Urgency: 
Expected
Effective: 
May 12, 2026 - 10:48pm
Expires: 
May 13, 2026 - 4:15pm
Description: 
* WHAT...South to southwesterly winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...Southwestern Montana along and south of Interstate 90, and Canyon Ferry Area. * WHEN...From noon to 9 PM MDT Wednesday. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...There will also be widely scattered showers and thunderstorms capable of producing localized wind gusts between 60 and 80 mph Wednesday afternoon and evening.
Instruction: 
People are urged to secure loose objects that could be blown around or damaged by the wind.
Area Description: 
Canyon Ferry Area; Missouri Headwaters; Madison River Valley; Gallatin Valley; Northwest Beaverhead County; Beaverhead and Western Madison below 6000ft; Ruby Mountains and Southern Beaverhead Mountains; Gallatin and Madison County Mountains and Centennial Mountains
Forcast Office: 
NWS Great Falls MT