National Weather Service United States Department of Commerce

Arctic air to drop temperatures across the northern Plain and northern Rockies; will bring snow to the Intermountain West

An arctic front is forecast to plunge through the northern Plains and northern Rockies on Saturday bringing a drastic drop in temperatures across these areas with a burst of snow over much of the Intermountain Region. Arctic air will also filter into the Pacific Northwest bringing with it snow showers and subfreezing low temperatures.
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Current Conditions

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10 Miles WNW Trout Lake WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Tonight

Snow Chance for Measurable Precipitation 100%

Snow

Low: 24 °F

Saturday

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

High: 26 °FFalling Temperatures

Saturday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 12 °F

Sunday

Sunny

Sunny

High: 21 °F

Sunday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 17 °F

Monday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 28 °F

Monday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 19 °F

Tuesday

Slight Chance Snow

Slight Chc
Snow

High: 28 °F

Tuesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 21 °F

Detailed Forecast

  • Tonight Snow showers. Low around 24. Breezy, with a west wind 20 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.
  • Saturday Snow showers likely, mainly before 10am. Partly sunny, with a temperature rising to near 26 by 11am, then falling to around 20 during the remainder of the day. West wind around 17 mph becoming north in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
  • Saturday Night A 20 percent chance of snow showers before 10pm. Partly cloudy, with a low around 12. Wind chill values as low as -4. North northwest wind 6 to 9 mph becoming east in the evening.
  • Sunday Sunny, with a high near 21. Wind chill values as low as -5. East wind around 16 mph, with gusts as high as 21 mph.
  • Sunday Night A 30 percent chance of snow after 4am. Partly cloudy, with a low around 17. East wind 13 to 16 mph, with gusts as high as 21 mph. Little or no snow accumulation expected.
  • Monday Snow likely, mainly after 10am. Mostly cloudy, with a high near 28. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
  • Monday Night A 50 percent chance of snow. Mostly cloudy, with a low around 19. Little or no snow accumulation expected.
  • Tuesday A slight chance of snow showers. Mostly cloudy, with a high near 28.
  • Tuesday Night Mostly cloudy, with a low around 21.
  • Wednesday A slight chance of snow showers. Cloudy, with a high near 31.
  • Wednesday Night A chance of rain. Cloudy, with a low around 23.
  • Thursday A chance of rain and snow. Cloudy, with a high near 32.
  • Thursday Night A chance of rain. Cloudy, with a low around 22.
  • Friday A chance of rain and snow. Cloudy, with a high near 32.