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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Swan Lake 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 Chance for Measurable Precipitation 80%

Rain

High: 40 °F

Sunday
Night

Rain/Snow Likely Chance for Measurable Precipitation 60%

Rain/Snow
Likely

Low: 31 °F

Monday

Rain/Snow Likely Chance for Measurable Precipitation 70%

Rain/Snow
Likely

High: 36 °F

Monday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 25 °F

Tuesday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 33 °F

Tuesday
Night

Chance Rain/Snow Chance for Measurable Precipitation 50%

Chance
Rain/Snow

Low: 25 °F

Wednesday

Rain/Snow Likely

Rain/Snow
Likely

High: 35 °F

Wednesday
Night

Rain/Snow Likely

Rain/Snow
Likely

Low: 26 °F

Detailed Forecast

  • Tonight Rain and snow. The rain and snow could be heavy at times. Low around 32. South southwest wind 8 to 10 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.
  • Sunday Rain. High near 40. West wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
  • Sunday Night Rain likely before 11pm, then rain and snow likely. Mostly cloudy, with a low around 31. West wind 7 to 13 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
  • Monday Rain and snow showers likely, mainly before 11am. Mostly cloudy, with a high near 36. West southwest wind around 7 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
  • Monday Night A 20 percent chance of snow showers. Mostly cloudy, with a low around 25. South southwest wind 3 to 5 mph.
  • Tuesday A chance of snow showers. Mostly cloudy, with a high near 33. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
  • Tuesday Night A chance of rain and snow. Cloudy, with a low around 25. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
  • Wednesday Rain and snow likely. Cloudy, with a high near 35.
  • Wednesday Night Rain and snow likely. Cloudy, with a low around 26.
  • Christmas Day A chance of snow. Mostly cloudy, with a high near 31.
  • Thursday Night A chance of snow. Mostly cloudy, with a low around 14.
  • Friday A chance of snow. Cloudy, with a high near 26.
  • Friday Night A chance of snow. Mostly cloudy, with a low around 16.
  • Saturday A chance of snow. Mostly cloudy, with a high near 31.