High Wind Warning

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Great Falls MT 402 PM MST Mon Dec 15 2025 ...HIGH WIND WARNING IN EFFECT UNTIL 11 AM MST TUESDAY... ...HIGH WIND WARNING REMAINS IN EFFECT FROM 3 AM WEDNESDAY TO MIDNIGHT MST WEDNESDAY NIGHT... * WHAT...For the first High Wind Warning, south winds 30 to 40 mph with gusts up to 70 mph. For the second High Wind Warning, southwest winds 30 to 40 mph with gusts up to 70 mph expected. * WHERE...Madison River Valley. * WHEN...For the first High Wind Warning, until 11 AM MST Tuesday. For the second High Wind Warning, from 3 AM Wednesday to midnight MST Wednesday Night. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles. Damaging winds will blow down trees and power lines. Power outages are expected. Travel will be very difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. If possible, consider delaying travel during the period of highest winds or finding an alternate route.