Weather Alerts For Marysville, MT
High Wind Watch
-URGENT - WEATHER MESSAGE National Weather Service Great Falls MT 353 PM MDT Mon Mar 9 2026 Upper Blackfoot and MacDonald Pass-Helena Valley- Including the following locations: Marysville, Lincoln, MacDonald Pass, Flesher Pass, and Helena 353 PM MDT Mon Mar 9 2026 ...HIGH WIND WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY AFTERNOON... * WHAT...Southwest winds 35 to 50 mph, with gusts up to 70 mph possible. Higher gusts around 90 mph possible along the Rocky Mountain Front. * WHERE...Helena Valley and Upper Blackfoot and MacDonald Pass. * WHEN...From Wednesday evening through Thursday afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Power outages are possible. Travel could be very difficult, especially for high profile vehicles. Blowing dust could significantly reduce visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates. Remember, a High Wind Watch means that there is at least a 50% chance of 40 mph sustained winds or 58 mph wind gusts occurring during the watch period. &&