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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6 Miles N Lolo Pass OR

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Late
Afternoon

Rain Chance for Measurable Precipitation 100%

Rain

High: 43 °F

Tonight

Rain Chance for Measurable Precipitation 100%

Rain

Low: 38 °F

Monday

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

High: 43 °F

Monday
Night

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

Low: 39 °F

Tuesday

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

High: 45 °F

Tuesday
Night

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

Low: 36 °F

Wednesday

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

High: 39 °F

Wednesday
Night

Snow

Snow

Low: 29 °F

Christmas
Day

Chance Snow

Chance
Snow

High: 33 °F

Detailed Forecast

  • Late Afternoon Rain. Steady temperature around 43. Breezy, with a west wind around 22 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Tonight Rain. Low around 38. West wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
  • Monday A 40 percent chance of rain. Mostly cloudy, with a high near 43. West wind around 8 mph.
  • Monday Night A 40 percent chance of rain. Mostly cloudy, with a low around 39. Southwest wind around 5 mph becoming calm in the evening.
  • Tuesday A 40 percent chance of rain. Mostly cloudy, with a high near 45. Light west southwest wind.
  • Tuesday Night Rain likely, mainly after 10pm. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.
  • Wednesday Rain before 10am, then rain and snow. High near 39. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
  • Wednesday Night Snow showers. Mostly cloudy, with a low around 29.
  • Christmas Day A chance of snow showers. Mostly cloudy, with a high near 33.
  • Thursday Night A chance of snow showers. Mostly cloudy, with a low around 27.
  • Friday A chance of snow showers. Partly sunny, with a high near 35.
  • Friday Night Mostly cloudy, with a low around 26.
  • Saturday A slight chance of rain showers. Partly sunny, with a high near 33.
  • Saturday Night A slight chance of rain and snow showers. Mostly cloudy, with a low around 26.
  • Sunday A chance of snow showers. Partly sunny, with a high near 34.