National Weather Service United States Department of Commerce

Heavy snow forecast for parts of Upper Midwest and western Great Lakes

A cold air mass behind a cold front will continue to bring below-normal temperatures across much of the eastern and northern U.S. through Thursday and allow for snow, heavy at times, to fall across parts of the Upper Midwest and western Great Lakes, mainly from central Minnesota to northern Michigan. Winter Storm Warnings and Winter Weather Advisories are in effect across the region.
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Current Conditions

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6 Miles W Big Sky MT

7 Day Forecast

Great Falls, MT

NWS Weather Forecast Office

Tonight

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 21 °F

Thursday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 41 °F

Thursday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 30 °F

Friday

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: 40 °F

Friday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 23 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 43 °F

Saturday
Night

Partly Cloudy

Partly
Cloudy

Low: 30 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 45 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 28 °F

Detailed Forecast

  • Tonight A 40 percent chance of snow showers. Mostly cloudy, with a low around 21. West southwest wind 9 to 13 mph, with gusts as high as 18 mph. Total nighttime snow accumulation of 1 to 3 inches possible.
  • Thursday A 20 percent chance of snow showers. Partly sunny, with a high near 41. West southwest wind 10 to 14 mph, with gusts as high as 20 mph.
  • Thursday Night A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around 30. South southwest wind 13 to 17 mph, with gusts as high as 25 mph.
  • Friday A 40 percent chance of snow showers. Mostly cloudy, with a high near 40. West southwest wind 15 to 21 mph, with gusts as high as 29 mph. New snow accumulation of around an inch possible.
  • Friday Night A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 23. Southwest wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph. New snow accumulation of less than one inch possible.
  • Saturday Mostly sunny, with a high near 43.
  • Saturday Night Partly cloudy, with a low around 30.
  • Sunday Mostly sunny, with a high near 45.
  • Sunday Night Partly cloudy, with a low around 28.
  • Monday A chance of snow showers. Partly sunny, with a high near 44.
  • Monday Night A chance of rain and snow showers. Mostly cloudy, with a low around 29.
  • Tuesday A chance of snow showers. Mostly cloudy, with a high near 41.
  • Tuesday Night Rain and snow showers likely. Mostly cloudy, with a low around 23.
  • Wednesday Snow showers likely. Mostly cloudy, with a high near 27.

 

Additional Forecasts and Information

Zone Area Forecast for Madison County, MT