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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11 Miles NNW Snoqualmie Pass WA

7 Day Forecast

For More Weather Information:

Seattle, WA Local Forecast Office

Today

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

High: 45 °F

Tonight

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

Low: 44 °F

Sunday

Rain Chance for Measurable Precipitation 100%

Rain

High: 47 °F

Sunday
Night

Rain Chance for Measurable Precipitation 90%

Rain

Low: 42 °F

Monday

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

High: 44 °F

Monday
Night

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

Low: 39 °F

Tuesday

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

High: 47 °F

Tuesday
Night

Rain Likely

Rain
Likely

Low: 38 °F

Wednesday

Chance Rain

Chance
Rain

High: 44 °F

Detailed Forecast

  • Today Rain. The rain could be heavy at times. High near 45. Breezy, with a southeast wind 17 to 22 mph becoming south 11 to 16 mph in the afternoon. 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 44. Breezy, with a west southwest wind 17 to 24 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
  • Sunday Rain. High near 47. Breezy, with a west southwest wind 16 to 24 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
  • Sunday Night Rain. Low around 42. Southwest wind 11 to 15 mph. Chance of precipitation is 90%. 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 44. Light southwest wind.
  • Monday Night A 50 percent chance of rain. Mostly cloudy, with a low around 39.
  • Tuesday Rain likely. Cloudy, with a high near 47. Chance of precipitation is 60%.
  • Tuesday Night Rain likely. Mostly cloudy, with a low around 38.
  • Wednesday A chance of rain. Cloudy, with a high near 44.
  • Wednesday Night A chance of rain showers. Mostly cloudy, with a low around 35.
  • Christmas Day A chance of snow showers. Mostly cloudy, with a high near 40.
  • Thursday Night Mostly cloudy, with a low around 29.
  • Friday Partly sunny, with a high near 39.