Billings, MT

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Last Map Update: Fri, Oct 30, 2026 at 12:28:19 pm MDT

Watches, Warnings & Advisories

National Weather Service Great Falls, MT

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National Weather Service Western and Central Wyoming

Winter Weather Advisory

Dense Fog Advisory

Hazardous Weather Outlook

Halloween Forecast

Wet weather to start the next week?

Snow Potential

Precipitation Potential

The forecast for Halloween is seasonable temperatures, generally light winds, and a low chance of precipitation.

A potential weather system could bring widespread precipitation Sunday and Monday. Details remain highly uncertain so be sure to check future forecasts!

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.