National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. on Saturday

Another Pacific system will impact the West Coast today. Heavy rainfall could lead to flash flooding, river and small stream flooding as well as mudslides and debris flows, especially over burn scars. Strong winds and heavy elevation 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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3 Miles WSW Lolo Pass OR

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

This
Afternoon

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

High: 44 °F

Tonight

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

Low: 42 °F

Sunday

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

High: 46 °F

Sunday
Night

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

Low: 41 °F

Monday

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

High: 44 °F

Monday
Night

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

Low: 38 °F

Tuesday

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

High: 44 °F

Tuesday
Night

Rain Likely

Rain
Likely

Low: 35 °F

Wednesday

Rain Likely

Rain
Likely

High: 40 °F

Detailed Forecast

  • This Afternoon Rain. The rain could be heavy at times. High near 44. South southwest wind around 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
  • Tonight Rain. The rain could be heavy at times. Low around 42. Breezy, with a southwest wind 16 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between 3 and 4 inches possible.
  • Sunday Rain. The rain could be heavy at times. High near 46. West southwest wind 18 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between 3 and 4 inches possible.
  • Sunday Night Rain. The rain could be heavy at times. Low around 41. West wind 13 to 18 mph decreasing to 5 to 10 mph in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
  • Monday A 50 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 44. West southwest wind 3 to 7 mph. New precipitation amounts between a tenth and quarter of an inch possible.
  • Monday Night A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 38.
  • Tuesday A 50 percent chance of rain. Mostly cloudy, with a high near 44.
  • Tuesday Night Rain likely. Mostly cloudy, with a low around 35.
  • Wednesday Rain likely. Cloudy, with a high near 40.
  • Wednesday Night Snow showers likely. Mostly cloudy, with a low around 30.
  • Christmas Day A chance of snow showers. Partly sunny, with a high near 36.
  • Thursday Night A slight chance of snow showers. Partly cloudy, with a low around 28.
  • Friday Mostly sunny, with a high near 36.