Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

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Last Map Update: Wed, Mar 11, 2026 at 4:44:14 am MDT

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Hazardous Weather Outlook

NC Montana : Reasonable High End Wind Gusts

Southwest Montana : Reasonable High End Wind Gusts

Central & NC Montana Long Duration Snowfall

Southwest Montana Snowfall

A significant wind event, with sustained wind speeds of between 35-55 mph for 12-18 hours and higher gusts, will impact Central and North Central Montana from late Wednesday evening through Thursday evening. The duration and magnitude of the winds will lead to dangerous driving conditions, power outages, property damage, and areas of reduced visibility due to blowing dust. Consider delaying travel if possible on Thursday, especially if operating a high profile vehicle. Beware of your surroundings if outside, watch out for falling trees/limbs and downed power lines. This wind event will rival the December 17th (2025) and March 8th (2026) wind storms.

A significant wind event, with sustained wind speeds of between 35-45 mph for 12-18 hours and higher gusts, will impact Southwest Montana from the early morning through late evening hours on Thursday. The duration and magnitude of the winds will lead to dangerous driving conditions, power outages, property damage, and areas of reduced visibility due to blowing dust. Consider delaying travel if possible on Thursday, especially if operating a high profile vehicle. Beware of your surroundings if outside, watch out for falling trees/limbs and downed power lines. This wind event will rival the December 17th (2025) and March 8th (2026) wind storms.

Confidence remains high that a long duration and significant amount of snow will fall along the Continental Divide from late this evening through Saturday afternoon, with even the potential for whiteout conditions from from 12 AM Thursday through 8 AM Thursday. Further east over the remainder of Central and North Central Montana confidence in the timing and amount of snow is moderate; however, subtle changes in the timing of a cold front and where it stalls out from Friday through Saturday will have a big impact on snowfall amounts.

Periods of snow, primarily in the mountains, will impact Southwest Montana through Saturday. The heaviest snow will fall along the Continental Divide across Northwest Beaverhead from late this evening through Friday morning. The combination of falling snow and strong winds will make travel difficult over Chief Joseph and Big Hole Pass through this timeframe.