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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5 Miles NNE Chinook Pass WA

7 Day Forecast

For More Weather Information:

Seattle, WA Local Forecast Office

Today

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

High: 35 °F

Tonight

Rain Chance for Measurable Precipitation 100%

Rain

Low: 31 °F

Sunday

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

High: 35 °F

Sunday
Night

Snow Chance for Measurable Precipitation 90%

Snow

Low: 29 °F

Monday

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: 31 °F

Monday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 31 °F

Tuesday

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

High: 37 °F

Tuesday
Night

Chance Snow

Chance
Snow

Low: 28 °F

Wednesday

Chance Snow

Chance
Snow

High: 32 °F

Detailed Forecast

  • Today Snow before 5pm, then rain and snow. High near 35. Breezy, with a south wind 18 to 23 mph decreasing to 11 to 16 mph in the afternoon. Chance of precipitation is 100%. Total daytime snow accumulation of 7 to 11 inches possible.
  • Tonight Rain. Low around 31. Breezy, with a west southwest wind 17 to 22 mph increasing to 24 to 29 mph in the evening. Winds could gust as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
  • Sunday Rain before 11am, then snow. High near 35. Windy, with a west wind 24 to 30 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
  • Sunday Night Snow. Low around 29. West northwest wind around 21 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
  • Monday A 40 percent chance of snow. Partly sunny, with a high near 31. West northwest wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. New snow accumulation of less than a half inch possible.
  • Monday Night A chance of snow. Mostly cloudy, with a low around 31. Chance of precipitation is 40%. Little or no snow accumulation expected.
  • Tuesday A chance of rain. Cloudy, with a high near 37. Chance of precipitation is 50%.
  • Tuesday Night A chance of snow. Cloudy, with a low around 28.
  • Wednesday A chance of snow. Cloudy, with a high near 32.
  • Wednesday Night A chance of snow showers. Mostly cloudy, with a low around 24.
  • Christmas Day A chance of snow showers. Mostly cloudy, with a high near 27.
  • Thursday Night Mostly cloudy, with a low around 24.
  • Friday Mostly sunny, with a high near 28.