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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14 Miles N Trout Lake WA

7 Day Forecast

For More Weather Information:

Pendleton, OR Local Forecast Office

Tonight

Heavy Snow Chance for Measurable Precipitation 100%

Heavy
Snow

Low: 20 °FRising Temperatures

Sunday

Heavy Snow Chance for Measurable Precipitation 100%

Heavy
Snow

High: 26 °FFalling Temperatures

Sunday
Night

Snow Chance for Measurable Precipitation 80%

Snow

Low: 19 °F

Monday

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: 25 °F

Monday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 18 °F

Tuesday

Chance Snow

Chance
Snow

High: 26 °F

Tuesday
Night

Chance Snow

Chance
Snow

Low: 14 °F

Wednesday

Snow Likely

Snow
Likely

High: 19 °F

Wednesday
Night

Snow

Snow

Low: 7 °F

Detailed Forecast

  • Tonight Snow. The snow could be heavy at times. Temperature rising to around 23 by 3am. Wind chill values as low as -1. Very windy, with a west wind 40 to 43 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 24 to 30 inches possible.
  • Sunday Snow. The snow could be heavy at times. Temperature falling to around 18 by 4pm. Wind chill values as low as -4. Very windy, with a west wind around 44 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 13 to 19 inches possible.
  • Sunday Night Snow. Steady temperature around 19. Wind chill values as low as -4. Very windy, with a west wind 38 to 41 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.
  • Monday A 40 percent chance of snow before 4pm. Partly sunny, with a high near 25. Wind chill values as low as -5. Windy, with a northwest wind 24 to 32 mph, with gusts as high as 43 mph.
  • Monday Night A 30 percent chance of snow after 10pm. Mostly cloudy, with a low around 18. West wind 16 to 20 mph, with gusts as high as 30 mph.
  • Tuesday A chance of snow. Mostly cloudy, with a high near 26. Breezy.
  • Tuesday Night A chance of snow. Cloudy, with a low around 14. Breezy.
  • Wednesday Snow likely. Cloudy, with a high near 19.
  • Wednesday Night Snow. Mostly cloudy, with a low around 7. Breezy.
  • Christmas Day A chance of snow. Mostly cloudy and cold, with a high near 10. Blustery.
  • Thursday Night A slight chance of snow. Mostly cloudy, with a low around 7.
  • Friday Partly sunny, with a high near 18.
  • Friday Night A slight chance of snow. Mostly cloudy, with a low around 12.
  • Saturday A chance of snow. Mostly cloudy, with a high near 12. Breezy.