National Weather Service United States Department of Commerce
Click a location below for detailed forecast.

Last Map Update: Fri, Oct 30, 2026 at 3:32:24 pm MDT

Areas of fog will affect the region Saturday morning. Expect fog to gradually dissipate through the late morning hours.
The forecast for Halloween is seasonable temperatures, generally light winds, and a low chance of precipitation.
Accumulating snow is expected to be confined to the mountains. North facing slopes of the mountains will be favored for snowfall.
The best chance for more than 0.5” of liquid precipitation, rain and snow water equivalent, is from Billings east. There is a low to moderate chance of receiving greater than 1 inch of precipitation for these areas.

 

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