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 continue to bring below-normal temperatures across much of the eastern and northern U.S. through Thursday and allow for snow, heavy at times, to fall 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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17 Miles ENE Mount St Helens WA

7 Day Forecast

Portland, OR

NWS Weather Forecast Office

Today

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

High: 34 °F

Tonight

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

Low: 26 °F

Friday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 35 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 30 °F

Saturday

Rain/Snow Likely Chance for Measurable Precipitation 60%

Rain/Snow
Likely

High: 39 °F

Saturday
Night

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 28 °F

Sunday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 37 °F

Sunday
Night

Snow Likely

Snow
Likely

Low: 31 °F

Monday

Chance Snow

Chance
Snow

High: 37 °F

Detailed Forecast

  • Today Rain and snow, becoming all snow after 11am. High near 34. Southwest wind 7 to 10 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
  • Tonight Rain and snow showers, becoming all snow after 11pm. Low around 26. West wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
  • Friday A 20 percent chance of snow showers before 11am. Partly sunny, with a high near 35. West wind 7 to 14 mph, with gusts as high as 22 mph.
  • Friday Night Partly cloudy, with a low around 30. West northwest wind 6 to 8 mph becoming southwest in the evening.
  • Saturday Rain and snow likely after 11am. Mostly cloudy, with a high near 39. South southwest wind 8 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
  • Saturday Night Snow likely. Cloudy, with a low around 28. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
  • Sunday A 20 percent chance of snow showers. Mostly cloudy, with a high near 37.
  • Sunday Night Snow likely. Mostly cloudy, with a low around 31.
  • Monday A chance of snow showers. Cloudy, with a high near 37.
  • Monday Night A chance of snow showers. Mostly cloudy, with a low around 28.
  • Tuesday A chance of snow showers. Mostly cloudy, with a high near 37.
  • Tuesday Night A chance of snow showers. Mostly cloudy, with a low around 28.
  • Wednesday A chance of snow showers. Mostly cloudy, with a high near 34.

 

Additional Forecasts and Information

Zone Area Forecast for South Washington Cascades, WA