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 bring below-normal temperatures across much of the eastern and northern U.S. on Wednesday and allow for snow, heavy at times, to develop 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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Lewistown MT

7 Day Forecast

Great Falls, MT

NWS Weather Forecast Office

Today

Rain/Snow Likely Chance for Measurable Precipitation 70%

Rain/Snow
Likely

High: 5 °C

Tonight

Chance Rain/Snow Chance for Measurable Precipitation 40%

Chance
Rain/Snow

Low: -4 °C

Thursday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 12 °C

Thursday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 0 °C

Friday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 14 °C

Friday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: -1 °C

Saturday

Mostly Sunny

Mostly
Sunny

High: 16 °C

Saturday
Night

Mostly Clear

Mostly
Clear

Low: 1 °C

Sunday

Sunny

Sunny

High: 19 °C

Detailed Forecast

  • Today Rain and snow showers likely before noon, then scattered rain showers. Cloudy, with a high near 5. West northwest wind 8 to 10 km/h. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 3 centimeters possible.
  • Tonight A chance of rain and snow showers before midnight, then a chance of snow showers. Mostly cloudy, with a low around -4. East northeast wind 8 to 16 km/h becoming south after midnight. Chance of precipitation is 40%. New snow accumulation of 1 to 2 centimeters possible.
  • Thursday A 20 percent chance of showers after noon. Mostly cloudy, with a high near 12. South southwest wind 5 to 14 km/h becoming southeast in the afternoon.
  • Thursday Night Mostly cloudy, with a low around 0. Southeast wind 10 to 18 km/h.
  • Friday A 30 percent chance of showers. Mostly cloudy, with a high near 14. South wind 10 to 15 km/h becoming west 19 to 24 km/h. Winds could gust as high as 34 km/h.
  • Friday Night A 20 percent chance of showers before midnight. Mostly cloudy, with a low around -1.
  • Saturday Mostly sunny, with a high near 16.
  • Saturday Night Mostly clear, with a low around 1.
  • Sunday Sunny, with a high near 19.
  • Sunday Night Partly cloudy, with a low around 2.
  • Monday Partly sunny, with a high near 16.
  • Monday Night A chance of showers. Mostly cloudy, with a low around 2.
  • Tuesday A slight chance of showers. Partly sunny, with a high near 16.

 

Additional Forecasts and Information

Zone Area Forecast for Fergus County, MT