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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11 Miles E Snoqualmie Pass WA

7 Day Forecast

For More Weather Information:

Pendleton, OR Local Forecast Office

Tonight

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

Low: 39 °F

Sunday

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

High: 40 °FFalling Temperatures

Sunday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 36 °F

Monday

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

High: 38 °F

Monday
Night

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

Low: 28 °F

Tuesday

Chance Rain

Chance
Rain

High: 38 °F

Tuesday
Night

Rain Likely

Rain
Likely

Low: 33 °F

Wednesday

Snow Likely

Snow
Likely

High: 36 °F

Wednesday
Night

Chance Snow

Chance
Snow

Low: 27 °F

Detailed Forecast

  • Tonight Snow before 10pm, then rain. The rain could be heavy at times. Steady temperature around 39. Breezy, with a west wind 16 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.
  • Sunday Rain. The rain could be heavy at times. Temperature falling to around 37 by 5pm. Breezy, with a west wind 17 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
  • Sunday Night Rain. Steady temperature around 36. West wind 10 to 14 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Monday A 40 percent chance of rain. Mostly cloudy, with a high near 38. West wind 7 to 9 mph.
  • Monday Night A 40 percent chance of rain. Mostly cloudy, with a low around 28. Light southwest wind.
  • Tuesday A chance of rain. Cloudy, with a high near 38.
  • Tuesday Night Rain likely. Cloudy, with a low around 33.
  • Wednesday Snow likely. Cloudy, with a high near 36.
  • Wednesday Night A chance of snow. Mostly cloudy, with a low around 27.
  • Christmas Day A chance of snow. Partly sunny, with a high near 32.
  • Thursday Night A slight chance of snow. Partly cloudy, with a low around 17.
  • Friday Partly sunny, with a high near 32.
  • Friday Night A slight chance of snow. Mostly cloudy, with a low around 26.
  • Saturday A chance of snow. Mostly cloudy, with a high near 30.