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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6 Miles W Big Sky 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: 24 °F

Tonight

Snow Chance for Measurable Precipitation 90%

Snow

Low: 19 °FRising Temperatures

Sunday

Snow Chance for Measurable Precipitation 90%

Snow

High: 28 °F

Sunday
Night

Snow Chance for Measurable Precipitation 80%

Snow

Low: 16 °F

Monday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 18 °F

Monday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 10 °F

Tuesday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 23 °F

Tuesday
Night

Chance Snow

Chance
Snow

Low: 15 °F

Wednesday

Snow

Snow

High: 22 °F

Detailed Forecast

  • Today A 20 percent chance of snow after 11am. Partly sunny, with a high near 24. Southwest wind 11 to 17 mph, with gusts as high as 26 mph.
  • Tonight Snow, mainly after 11pm. Temperature rising to around 26 by 2am. Breezy, with a southwest wind 17 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
  • Sunday Snow. High near 28. Windy, with a west southwest wind 21 to 26 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
  • Sunday Night Snow. Low around 16. Breezy, with a west wind 23 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
  • Monday A 50 percent chance of snow. Mostly cloudy, with a high near 18. Breezy, with a west northwest wind around 24 mph, with gusts as high as 33 mph. New snow accumulation of 1 to 2 inches possible.
  • Monday Night A 30 percent chance of snow. Mostly cloudy, with a low around 10. New snow accumulation of around an inch possible.
  • Tuesday A 30 percent chance of snow. Mostly cloudy, with a high near 23. New snow accumulation of less than one inch possible.
  • Tuesday Night A chance of snow. Mostly cloudy, with a low around 15.
  • Wednesday Snow. Cloudy, with a high near 22. Breezy.
  • Wednesday Night Snow. Cloudy, with a low around 5.
  • Christmas Day Snow. Cloudy and cold, with a high near 9.
  • Thursday Night A chance of snow. Mostly cloudy, with a low around 0.
  • Friday A chance of snow. Mostly cloudy and cold, with a high near 9.