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 Pacific Northwest through late 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 N Roslyn WA

7 Day Forecast

For More Weather Information:

Pendleton, OR Local Forecast Office

This
Afternoon

Rain Chance for Measurable Precipitation 90%

Rain

High: 42 °F

Tonight

Rain Chance for Measurable Precipitation 80%

Rain

Low: 33 °F

Monday

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

High: 35 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 28 °F

Tuesday

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

High: 35 °F

Tuesday
Night

Rain Likely

Rain
Likely

Low: 33 °F

Wednesday

Snow Likely

Snow
Likely

High: 34 °F

Wednesday
Night

Chance Snow

Chance
Snow

Low: 26 °F

Christmas
Day

Chance Snow

Chance
Snow

High: 30 °F

Detailed Forecast

  • This Afternoon Rain. High near 42. West wind 11 to 13 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Tonight Rain, mainly before 4am. Low around 33. 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 before 10am. Mostly cloudy, with a high near 35. West wind 8 to 10 mph.
  • Monday Night Mostly cloudy, with a low around 28. Light southwest wind.
  • Tuesday A 40 percent chance of rain. Mostly cloudy, with a high near 35. Southwest wind 3 to 5 mph.
  • Tuesday Night Rain likely. Cloudy, with a low around 33.
  • Wednesday Snow likely. Cloudy, with a high near 34.
  • Wednesday Night A chance of snow. Mostly cloudy, with a low around 26.
  • Christmas Day A chance of snow. Partly sunny, with a high near 30.
  • Thursday Night A slight chance of snow. Mostly cloudy, with a low around 22.
  • Friday Partly sunny, with a high near 28.
  • Friday Night Mostly cloudy, with a low around 23.
  • Saturday A chance of snow. Mostly cloudy, with a high near 30.