National Weather Service United States Department of Commerce
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Last Map Update: Tue, May 19, 2026 at 2:22:19 am MDT

Frost and freeze conditions are likely tonight into early Tuesday. Consider preparations to protect sensitive vegetation.
The next weather system looks to move through the region Wednesday through Thursday, bringing periods of showers, weak thunderstorms, and a brief cooldown. There is uncertainty, so monitor the forecast.
The next weather system looks to move through the region by late Wednesday through Thursday, bringing periods of showers/thunderstorms and a brief cooldown. There is currently a moderate to high chance of at least 0.5” of rainfall across southern MT and northern WY.
The probability of several inches of snowfall is moderate to high in the mountains, Wednesday through Thursday.

 

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