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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5 Miles S Fort Smith MT

7 Day Forecast

For More Weather Information:

Billings, MT Local Forecast Office

Tonight

Partly Cloudy

Partly
Cloudy

Low: 36 °F

Saturday

Rain/Snow Likely Chance for Measurable Precipitation 60%

Rain/Snow
Likely

High: 37 °FFalling Temperatures

Saturday
Night

Snow Chance for Measurable Precipitation 100%

Snow

Low: -2 °F

Sunday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 12 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 8 °FRising Temperatures

Monday

Mostly Sunny

Mostly
Sunny

High: 29 °F

Monday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 26 °F

Tuesday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 32 °F

Tuesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 26 °F

Detailed Forecast

  • Tonight Partly cloudy, with a low around 36. Southwest wind around 32 mph, with gusts as high as 46 mph.
  • Saturday A slight chance of rain and snow before 11am, then snow likely. Partly sunny, with a temperature falling to around 18 by 5pm. Wind chill values as low as zero. West southwest wind 23 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
  • Saturday Night Snow with areas of blowing snow. Low around -2. Wind chill values as low as -15. North wind 21 to 26 mph decreasing to 14 to 19 mph in the evening. Chance of precipitation is 100%. New snow accumulation of around 3 inches.
  • Sunday A 20 percent chance of snow before 11am. Partly sunny and cold, with a high near 12. Wind chill values as low as -15. West wind 5 to 8 mph becoming calm in the morning.
  • Sunday Night Partly cloudy, with a temperature rising to around 13 by 5am. Light south southwest wind increasing to 6 to 11 mph after midnight.
  • Monday Mostly sunny, with a high near 29.
  • Monday Night A 20 percent chance of snow showers. Mostly cloudy, with a low around 26.
  • Tuesday A 20 percent chance of snow showers. Mostly cloudy, with a high near 32.
  • Tuesday Night Mostly cloudy, with a steady temperature around 26.
  • Wednesday A 20 percent chance of snow showers. Mostly sunny, with a high near 34.
  • Wednesday Night A slight chance of snow showers. Mostly cloudy, with a low around 28. Chance of precipitation is 20%.
  • Thursday A slight chance of rain and snow showers. Partly sunny, with a high near 39. Chance of precipitation is 20%.
  • Thursday Night A slight chance of rain and snow showers. Mostly cloudy, with a steady temperature around 33. Chance of precipitation is 20%.
  • Friday Partly sunny, with a high near 39.