National Weather Service United States Department of Commerce

Arctic air to drop temperatures across the northern Plain and northern Rockies; will bring snow to the Intermountain West

An arctic front is forecast to plunge through the northern Plains and northern Rockies on Saturday bringing a drastic drop in temperatures across these areas with a burst of snow over much of the Intermountain Region. Arctic air will also filter into the Pacific Northwest bringing with it snow showers and subfreezing low temperatures.
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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

Tonight

Chance Rain/Snow Chance for Measurable Precipitation 40%

Chance
Rain/Snow

Low: 27 °F

Saturday

Snow Chance for Measurable Precipitation 80%

Snow

High: 35 °F

Saturday
Night

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

Low: 0 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 14 °F

Sunday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 0 °F

Monday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 26 °F

Monday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 16 °F

Tuesday

Mostly Cloudy

Mostly
Cloudy

High: 34 °F

Tuesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 15 °F

Detailed Forecast

  • Tonight A chance of rain and snow before 11pm, then a chance of snow. Mostly cloudy, with a low around 27. West southwest wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
  • Saturday Snow. High near 35. West northwest wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
  • Saturday Night Snow likely. Mostly cloudy, with a low around 0. West northwest wind 5 to 9 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
  • Sunday Mostly sunny, with a high near 14. Wind chill values as low as -1. West southwest wind around 5 mph.
  • Sunday Night Mostly cloudy, with a low around 0. South southwest wind 3 to 5 mph.
  • Monday A 20 percent chance of snow. Partly sunny, with a high near 26.
  • Monday Night A 40 percent chance of snow. Mostly cloudy, with a low around 16. New snow accumulation of less than one inch possible.
  • Tuesday Mostly cloudy, with a high near 34.
  • Tuesday Night Mostly cloudy, with a low around 15.
  • Wednesday A slight chance of snow showers. Partly sunny, with a high near 31.
  • Wednesday Night A slight chance of snow showers. Mostly cloudy, with a low around 17.
  • Thursday A slight chance of snow showers. Mostly cloudy, with a high near 33.
  • Thursday Night A slight chance of snow showers. Mostly cloudy, with a low around 15.
  • Friday Partly sunny, with a high near 31.