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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2 Miles W Snoqualmie 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: 37 °F

Tonight

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

Low: 37 °F

Sunday

Rain Chance for Measurable Precipitation 100%

Rain

High: 40 °F

Sunday
Night

Rain Chance for Measurable Precipitation 90%

Rain

Low: 36 °F

Monday

Chance Rain/Snow Chance for Measurable Precipitation 50%

Chance
Rain/Snow

High: 37 °F

Monday
Night

Chance Rain/Snow Chance for Measurable Precipitation 50%

Chance
Rain/Snow

Low: 33 °F

Tuesday

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

High: 41 °F

Tuesday
Night

Rain Likely

Rain
Likely

Low: 32 °F

Wednesday

Chance Snow

Chance
Snow

High: 37 °F

Detailed Forecast

  • Today Rain and snow, becoming all rain after 10am. High near 37. Southeast wind 16 to 21 mph decreasing to 7 to 12 mph in the afternoon. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.
  • Tonight Rain. The rain could be heavy at times. Low around 37. Breezy, with a west wind 15 to 23 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 21 to 23 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
  • Sunday Night Rain. Low around 36. West wind 15 to 17 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
  • Monday A chance of rain and snow. Mostly cloudy, with a high near 37. West northwest wind around 9 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
  • Monday Night A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 50%. Little or no snow accumulation expected.
  • Tuesday Rain likely. Cloudy, with a high near 41. Chance of precipitation is 60%.
  • Tuesday Night Rain likely. Cloudy, with a low around 32.
  • Wednesday A chance of snow. Cloudy, with a high near 37.
  • Wednesday Night A chance of 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 Mostly cloudy, with a low around 24.
  • Friday Mostly sunny, with a high near 33.