National Weather Service United States Department of Commerce

Winter storm for Rockies and High Plains

A storm system over the northern Rockies will move eastward towards the High Plains by Christmas Day. The system will produce snow over parts of the Great Basin, Rockies and High Plains on Christmas. Some of the snow will be heavy, with hazardous travel conditions. Winter Storm Warnings and Winter Weather Advisories are in effect in these areas.
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Hazardous Weather Conditions

Current Conditions

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5 Miles ESE Cougar WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Tonight

Snow Chance for Measurable Precipitation 90%

Snow

Low: 30 °F

Christmas
Day

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: 32 °F

Thursday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 30 °FRising Temperatures

Friday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 34 °F

Friday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 30 °F

Saturday

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

High: 34 °F

Saturday
Night

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 28 °F

Sunday

Chance Snow

Chance
Snow

High: 33 °F

Sunday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 18 °F

Detailed Forecast

  • Tonight Snow showers, mainly before 10pm. Low around 30. Northwest wind around 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.
  • Christmas Day A 40 percent chance of snow showers. Mostly cloudy, with a high near 32. West wind 11 to 16 mph, with gusts as high as 25 mph. Little or no snow accumulation expected.
  • Thursday Night A 30 percent chance of snow showers. Mostly cloudy, with a temperature rising to around 34 by 5am. West wind 5 to 9 mph becoming light after midnight. Little or no snow accumulation expected.
  • Friday A 20 percent chance of snow showers. Mostly cloudy, with a high near 34. Calm wind.
  • Friday Night A 30 percent chance of snow showers, mainly after 10pm. Mostly cloudy, with a low around 30. Calm wind. New snow accumulation of less than one inch possible.
  • Saturday Snow showers likely. Mostly cloudy, with a high near 34. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.
  • Saturday Night Snow showers likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
  • Sunday A chance of snow showers. Partly sunny, with a high near 33.
  • Sunday Night Mostly cloudy, with a low around 18.
  • Monday Mostly sunny, with a high near 29. Breezy.
  • Monday Night Mostly clear, with a low around 22. Breezy.
  • Tuesday Sunny, with a high near 29. Breezy.
  • Tuesday Night Partly cloudy, with a low around 23.
  • Wednesday Sunny, with a high near 33.