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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8 Miles N Mount St Helens WA

7 Day Forecast

Portland, OR

NWS Weather Forecast Office

Today

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

High: 38 °F

Tonight

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

Low: 31 °F

Friday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 40 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 32 °F

Saturday

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

High: 44 °F

Saturday
Night

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 32 °F

Sunday

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 43 °F

Sunday
Night

Rain/Snow Likely

Rain/Snow
Likely

Low: 34 °F

Monday

Chance Rain/Snow

Chance
Rain/Snow

High: 42 °F

Detailed Forecast

  • Today Rain before 11am, then rain and snow. High near 38. Southwest wind 3 to 8 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
  • Tonight Rain showers before 11pm, then snow showers likely. Low around 31. West wind 9 to 13 mph, with gusts as high as 20 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 40. West wind 6 to 11 mph, with gusts as high as 18 mph.
  • Friday Night Partly cloudy, with a low around 32. West northwest wind 5 to 8 mph becoming light and variable in the evening.
  • Saturday Rain likely after 11am. Mostly cloudy, with a high near 44. South wind around 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Saturday Night Snow likely. Cloudy, with a low around 32. Chance of precipitation is 60%. Little or no snow accumulation expected.
  • Sunday A slight chance of snow showers. Mostly cloudy, with a high near 43. Chance of precipitation is 20%.
  • Sunday Night Rain and snow likely. Mostly cloudy, with a low around 34.
  • Monday A chance of rain and snow showers. Cloudy, with a high near 42.
  • Monday Night A chance of snow showers. Mostly cloudy, with a low around 31.
  • 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 31.
  • Wednesday A chance of rain and snow showers. Mostly cloudy, with a high near 39.

 

Additional Forecasts and Information

Zone Area Forecast for South Washington Cascades, WA