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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7 Miles SSW Mt Baker WA

7 Day Forecast

For More Weather Information:

Seattle, WA Local Forecast Office

Tonight

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

Low: 39 °F

Sunday

Rain Chance for Measurable Precipitation 90%

Rain

High: 40 °F

Sunday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 37 °F

Monday

Chance Rain/Snow Chance for Measurable Precipitation 50%

Chance
Rain/Snow

High: 40 °F

Monday
Night

Chance Rain/Snow Chance for Measurable Precipitation 40%

Chance
Rain/Snow

Low: 34 °F

Tuesday

Rain Chance for Measurable Precipitation 80%

Rain

High: 39 °F

Tuesday
Night

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

Low: 33 °F

Wednesday

Snow Likely

Snow
Likely

High: 36 °F

Wednesday
Night

Chance Snow

Chance
Snow

Low: 30 °F

Detailed Forecast

  • Tonight Rain. The rain could be heavy at times. Low around 39. Breezy, with a west southwest wind 17 to 22 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
  • Sunday Rain. High near 40. Breezy, with a west wind 20 to 26 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
  • Sunday Night Rain. Low around 37. West wind 14 to 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
  • Monday A chance of rain before 10am, then a chance of rain and snow. Mostly cloudy, with a high near 40. West northwest wind 8 to 13 mph becoming light northwest in the afternoon. Chance of precipitation is 50%. Little or no snow accumulation expected.
  • Monday Night A chance of rain and snow. Cloudy, with a low around 34. East wind 3 to 8 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
  • Tuesday Rain. High near 39. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
  • Tuesday Night Rain before 4am, then rain, possibly mixed with snow showers. Low around 33. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
  • Wednesday Snow showers likely. Cloudy, with a high near 36.
  • Wednesday Night A chance of snow showers. Mostly cloudy, with a low around 30.
  • Christmas Day A chance of snow showers. Mostly cloudy, with a high near 34.
  • Thursday Night Mostly cloudy, with a low around 26.
  • Friday Partly sunny, with a high near 33.
  • Friday Night A chance of snow. Mostly cloudy, with a low around 26.
  • Saturday A chance of rain. Mostly cloudy, with a high near 34.