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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Chinook Pass WA

7 Day Forecast

Seattle, WA

NWS Weather Forecast Office

Late
Afternoon

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

High: 40 °F

Tonight

Rain Chance for Measurable Precipitation 80%

Rain

Low: 33 °F

Thursday

Rain Chance for Measurable Precipitation 90%

Rain

High: 40 °F

Thursday
Night

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

Low: 29 °F

Friday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 41 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 32 °F

Saturday

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

High: 48 °F

Saturday
Night

Rain/Snow Likely

Rain/Snow
Likely

Low: 32 °F

Sunday

Chance Snow

Chance
Snow

High: 47 °F

Detailed Forecast

  • Late Afternoon Rain and snow. High near 40. South southwest wind around 16 mph. Chance of precipitation is 80%. Total daytime snow accumulation of around an inch possible.
  • Tonight Rain. Low around 33. South southwest wind 6 to 11 mph. Chance of precipitation is 80%.
  • Thursday Rain. High near 40. Southwest wind 7 to 14 mph. Chance of precipitation is 90%.
  • Thursday Night Rain showers before 11pm, then snow showers likely. Low around 29. West wind 8 to 17 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
  • Friday A 30 percent chance of snow showers before 11am. Partly sunny, with a high near 41. West wind 8 to 14 mph. New snow accumulation of less than a half inch possible.
  • Friday Night Partly cloudy, with a low around 32.
  • Saturday A 50 percent chance of rain after 11am. Mostly cloudy, with a high near 48.
  • Saturday Night Rain and snow showers likely. Mostly cloudy, with a low around 32.
  • Sunday A chance of snow showers. Mostly cloudy, with a high near 47.
  • Sunday Night A chance of showers. Mostly cloudy, with a low around 34.
  • Monday Showers likely. Cloudy, with a high near 46.
  • Monday Night A chance of rain and snow showers. Mostly cloudy, with a low around 32.
  • Tuesday A chance of snow showers. Mostly cloudy, with a high near 41.
  • Tuesday Night A chance of snow showers. Mostly cloudy, with a low around 30.
  • Wednesday A chance of snow showers. Mostly cloudy, with a high near 39.

 

Additional Forecasts and Information

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