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 Pacific Northwest through late 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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4 Miles N Lost Trail Pass MT

7 Day Forecast

For More Weather Information:

Missoula, MT Local Forecast Office

Today

Rain Chance for Measurable Precipitation 100%

Rain

High: 42 °F

Tonight

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

Low: 32 °F

Monday

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

High: 37 °F

Monday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 18 °F

Tuesday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 32 °F

Tuesday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 22 °F

Wednesday

Snow Chance for Measurable Precipitation 80%

Snow

High: 39 °F

Wednesday
Night

Rain/Snow

Rain/Snow

Low: 23 °F

Christmas
Day

Snow Likely

Snow
Likely

High: 31 °F

Detailed Forecast

  • Today Rain showers. The rain could be heavy at times. High near 42. Breezy, with a west wind 14 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 100%.
  • Tonight Rain and snow showers, becoming all snow after 11pm. Low around 32. West wind 13 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
  • Monday Snow showers likely, mainly before 11am. Mostly cloudy, with a high near 37. West northwest wind around 10 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
  • Monday Night A 20 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 18. West wind around 6 mph becoming calm in the evening.
  • Tuesday A 30 percent chance of snow showers, mainly after 11am. Partly sunny, with a high near 32. South wind around 5 mph. New snow accumulation of less than a half inch possible.
  • Tuesday Night A 50 percent chance of snow. Mostly cloudy, with a low around 22. New snow accumulation of less than a half inch possible.
  • Wednesday Snow. High near 39. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
  • Wednesday Night Rain and snow. Cloudy, with a low around 23.
  • Christmas Day Snow showers likely. Mostly cloudy, with a high near 31.
  • Thursday Night A chance of snow showers. Mostly cloudy, with a low around 11.
  • Friday A chance of snow showers. Mostly cloudy, with a high near 21.
  • Friday Night A chance of snow showers. Mostly cloudy, with a low around 6.
  • Saturday A chance of snow showers. Mostly cloudy, with a high near 22.