National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. this weekend

A Pacific storm system will continue to impact the Pacific Northwest through late Sunday. Heavy rainfall could lead to flash flooding, river and small stream flooding, as well as mudslides and debris flows, especially over burn scars. At higher elevations, strong winds and heavy 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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11 Miles W Heart Butte MT

7 Day Forecast

For More Weather Information:

Great Falls, MT Local Forecast Office

This
Afternoon

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

High: 32 °FFalling Temperatures

Tonight

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 21 °F

Monday

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: 24 °F

Monday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 17 °F

Tuesday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 29 °F

Tuesday
Night

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 23 °F

Wednesday

Snow Chance for Measurable Precipitation 80%

Snow

High: 28 °F

Wednesday
Night

Snow

Snow

Low: 14 °F

Christmas
Day

Snow Likely

Snow
Likely

High: 16 °F

Detailed Forecast

  • This Afternoon Snow likely. Mostly cloudy, with a temperature falling to around 27 by 5pm. Windy, with a west wind around 33 mph, with gusts as high as 55 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 2 to 4 inches possible.
  • Tonight Snow likely. Mostly cloudy, with a low around 21. Windy, with a west wind 21 to 30 mph, with gusts as high as 49 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
  • Monday A 40 percent chance of snow. Partly sunny, with a high near 24. West wind 18 to 21 mph, with gusts as high as 29 mph. New snow accumulation of less than one inch possible.
  • Monday Night A 30 percent chance of snow, mainly before 11pm. Partly cloudy, with a low around 17. West wind around 14 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.
  • Tuesday A 30 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 29. Breezy, with a west southwest wind 17 to 22 mph, with gusts as high as 31 mph. New snow accumulation of less than one inch possible.
  • Tuesday Night Snow likely, mainly after 11pm. Mostly cloudy, with a low around 23. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
  • Wednesday Snow. High near 28. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
  • Wednesday Night Snow. Cloudy, with a low around 14.
  • Christmas Day Snow likely. Mostly cloudy, with a high near 16.
  • Thursday Night A chance of snow. Mostly cloudy, with a low around 7.
  • Friday A chance of snow. Mostly cloudy, with a high near 14.
  • Friday Night A chance of snow. Mostly cloudy, with a low around 10.
  • Saturday A chance of snow. Mostly cloudy, with a high near 16.