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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Lolo Pass OR

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Overnight

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

Low: 40 °F

Sunday

Rain Chance for Measurable Precipitation 100%

Rain

High: 44 °F

Sunday
Night

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

Low: 36 °F

Monday

Chance Rain/Snow Chance for Measurable Precipitation 40%

Chance
Rain/Snow

High: 41 °F

Monday
Night

Chance Rain Chance for Measurable Precipitation 30%

Chance
Rain

Low: 36 °F

Tuesday

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

High: 42 °F

Tuesday
Night

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

Low: 32 °F

Wednesday

Snow

Snow

High: 36 °F

Wednesday
Night

Chance Snow

Chance
Snow

Low: 26 °F

Detailed Forecast

  • Overnight Rain. The rain could be heavy at times. Low around 40. Breezy, with a west southwest wind around 26 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
  • Sunday Rain. The rain could be heavy at times. High near 44. Windy, with a west southwest wind 26 to 31 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.
  • Sunday Night Rain and snow. Low around 36. Breezy, with a west wind 16 to 26 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
  • Monday A chance of snow before 4pm, then a chance of rain and snow. Mostly cloudy, with a high near 41. West wind 9 to 13 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
  • Monday Night A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 36. West wind around 9 mph.
  • Tuesday A 50 percent chance of rain. Partly sunny, with a high near 42.
  • Tuesday Night A chance of rain. Mostly cloudy, with a low around 32. Chance of precipitation is 50%.
  • Wednesday Snow. Cloudy, with a high near 36.
  • Wednesday Night A chance of snow showers. Mostly cloudy, with a low around 26.
  • Christmas Day A chance of snow showers. Partly sunny, with a high near 32.
  • Thursday Night A slight chance of snow showers. Mostly cloudy, with a low around 25.
  • Friday Partly sunny, with a high near 33.
  • Friday Night Mostly cloudy, with a low around 25.
  • Saturday A chance of snow. Partly sunny, with a high near 33.