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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2 Miles N Mount St Helens WA

7 Day Forecast

Portland, OR

NWS Weather Forecast Office

This
Afternoon

Snow Chance for Measurable Precipitation 80%

Snow

High: 49 °F

Tonight

Rain Chance for Measurable Precipitation 80%

Rain

Low: 37 °F

Thursday

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

High: 50 °F

Thursday
Night

Snow Chance for Measurable Precipitation 80%

Snow

Low: 36 °F

Friday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 52 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 36 °F

Saturday

Chance Rain/Snow Chance for Measurable Precipitation 50%

Chance
Rain/Snow

High: 57 °F

Saturday
Night

Chance Rain/Snow

Chance
Rain/Snow

Low: 30 °F

Sunday

Slight Chance Rain/Snow

Slight Chc
Rain/Snow

High: 55 °F

Detailed Forecast

  • This Afternoon Snow. High near 49. Southwest wind around 9 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
  • Tonight Rain. Low around 37. South wind 6 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Thursday Rain and snow. High near 50. Southwest wind 3 to 8 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
  • Thursday Night Snow showers. Low around 36. West southwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
  • Friday A 20 percent chance of snow showers before 11am. Partly sunny, with a high near 52. West wind 8 to 11 mph.
  • Friday Night Partly cloudy, with a low around 36.
  • Saturday A chance of rain and snow. Mostly cloudy, with a high near 57. Chance of precipitation is 50%. Little or no snow accumulation expected.
  • Saturday Night A chance of rain and snow showers. Cloudy, with a low around 30.
  • Sunday A slight chance of rain and snow showers. Partly sunny, with a high near 55.
  • Sunday Night A slight chance of rain showers. Mostly cloudy, with a low around 37.
  • Monday A chance of rain and snow showers. Mostly cloudy, with a high near 51.
  • Monday Night A chance of rain and snow showers. Mostly cloudy, with a low around 34.
  • Tuesday A chance of rain and snow showers. Mostly cloudy, with a high near 51.

 

Additional Forecasts and Information

Zone Area Forecast for South Washington Cascades, WA