National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. on Saturday

Another Pacific system will impact the West Coast today. Heavy rainfall could lead to flash flooding, river and small stream flooding as well as mudslides and debris flows, especially over burn scars. Strong winds and heavy elevation snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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Current Conditions

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Bannack MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

Today

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 33 °F

Tonight

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

Low: 28 °FRising Temperatures

Sunday

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

High: 38 °F

Sunday
Night

Rain/Snow Likely Chance for Measurable Precipitation 70%

Rain/Snow
Likely

Low: 23 °F

Monday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 31 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 10 °F

Tuesday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 29 °F

Tuesday
Night

Chance Snow

Chance
Snow

Low: 15 °F

Wednesday

Snow Likely

Snow
Likely

High: 29 °F

Detailed Forecast

  • Today A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 33. South southwest wind 6 to 9 mph.
  • Tonight Snow likely, mainly after 11pm. Mostly cloudy, with a temperature falling to near 28 by 8pm, then rising to around 36 during the remainder of the night. Southwest wind 8 to 10 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
  • Sunday Snow before 11am, then rain and snow likely. High near 38. West wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
  • Sunday Night Rain and snow likely, becoming all snow after 11pm. Mostly cloudy, with a low around 23. West wind 13 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
  • Monday A 30 percent chance of snow. Partly sunny, with a high near 31. West northwest wind around 16 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.
  • Monday Night Mostly cloudy, with a low around 10.
  • Tuesday A 20 percent chance of snow. Mostly cloudy, with a high near 29.
  • Tuesday Night A chance of snow. Mostly cloudy, with a low around 15.
  • Wednesday Snow likely. Cloudy, with a high near 29.
  • Wednesday Night Snow. Cloudy, with a low around 14.
  • Christmas Day Snow likely. Cloudy, with a high near 21.
  • Thursday Night A chance of snow. Mostly cloudy, with a low around 2.
  • Friday A slight chance of snow. Mostly cloudy, with a high near 17.