National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. this weekend

A Pacific storm system will continue to impact the West Coast through Sunday. Heavy rainfall could lead to flash flooding, river and small stream flooding, as well as mudslides and debris flows, especially over burn scars. At higher elevations, strong winds and heavy 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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14 Miles W Big Arm MT

7 Day Forecast

For More Weather Information:

Missoula, MT Local Forecast Office

Tonight

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

Low: 32 °F

Sunday

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

High: 41 °F

Sunday
Night

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

Low: 31 °F

Monday

Chance Rain/Snow Chance for Measurable Precipitation 40%

Chance
Rain/Snow

High: 36 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 26 °F

Tuesday

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: 33 °F

Tuesday
Night

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

Low: 26 °F

Wednesday

Chance Rain/Snow

Chance
Rain/Snow

High: 33 °F

Wednesday
Night

Snow Likely

Snow
Likely

Low: 26 °F

Detailed Forecast

  • Tonight Rain and snow. Low around 32. South wind 7 to 9 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.
  • Sunday Rain likely. Mostly cloudy, with a high near 41. West wind 11 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
  • Sunday Night A chance of rain. Mostly cloudy, with a low around 31. West wind 8 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
  • Monday A chance of rain and snow showers, mainly before 11am. Partly sunny, with a high near 36. West wind around 7 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
  • Monday Night Mostly cloudy, with a low around 26. Light south southwest wind.
  • Tuesday A chance of snow showers. Mostly cloudy, with a high near 33. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
  • Tuesday Night A chance of rain. Cloudy, with a low around 26. Chance of precipitation is 40%.
  • Wednesday A chance of rain and snow. Cloudy, with a high near 33.
  • Wednesday Night Snow likely. Cloudy, with a low around 26.
  • Christmas Day A chance of snow. Cloudy, with a high near 30.
  • Thursday Night A slight chance of snow. Mostly cloudy, with a low around 15.
  • Friday A slight chance of snow. Cloudy, with a high near 28.
  • Friday Night A slight chance of snow. Mostly cloudy, with a low around 15.
  • Saturday A chance of snow. Cloudy, with a high near 31.