National Weather Service United States Department of Commerce

Heavy snow forecast for parts of Upper Midwest and western Great Lakes

A cold air mass behind a cold front will bring below-normal temperatures across much of the eastern and northern U.S. on Wednesday and allow for snow, heavy at times, to develop across parts of the Upper Midwest and western Great Lakes, mainly from central Minnesota to northern Michigan. Winter Storm Warnings and Winter Weather Advisories are in effect across the region.
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Current Conditions

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8 Miles NE Newhalem WA

7 Day Forecast

Seattle, WA

NWS Weather Forecast Office

Late
Afternoon

Snow Chance for Measurable Precipitation 90%

Snow

High: 41 °F

Tonight

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

Low: 33 °F

Thursday

Rain/Snow Chance for Measurable Precipitation 90%

Rain/Snow

High: 43 °F

Thursday
Night

Rain/Snow Chance for Measurable Precipitation 90%

Rain/Snow

Low: 31 °F

Friday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 41 °F

Friday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 31 °F

Saturday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 45 °F

Saturday
Night

Snow

Snow

Low: 33 °F

Sunday

Chance Snow

Chance
Snow

High: 45 °F

Detailed Forecast

  • Late Afternoon Snow. High near 41. Calm wind. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.
  • Tonight Rain and snow, becoming all snow after 11pm. Low around 33. Southwest wind 7 to 11 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
  • Thursday Rain and snow. High near 43. South southwest wind 7 to 14 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
  • Thursday Night Rain showers before 11pm, then snow showers. Low around 31. West southwest wind 8 to 14 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
  • Friday A 30 percent chance of snow showers before 11am. Mostly cloudy, with a high near 41. West southwest wind 7 to 11 mph. New snow accumulation of less than one inch possible.
  • Friday Night Mostly cloudy, with a low around 31.
  • Saturday A 50 percent chance of snow after 11am. Mostly cloudy, with a high near 45. New snow accumulation of less than one inch possible.
  • Saturday Night Snow showers. Mostly cloudy, with a low around 33.
  • Sunday A chance of snow showers. Mostly cloudy, with a high near 45.
  • Sunday Night Snow showers. Cloudy, with a low around 33.
  • Monday Snow showers likely. Cloudy, with a high near 46.
  • Monday Night Rain and snow showers likely. Cloudy, with a low around 32.
  • Tuesday A chance of snow showers. Mostly cloudy, with a high near 42.
  • Tuesday Night A chance of snow showers. Mostly cloudy, with a low around 31.
  • Wednesday A chance of snow showers. Mostly cloudy, with a high near 40.

 

Additional Forecasts and Information

Zone Area Forecast for West Slopes Northern Cascades and Passes, WA