National Weather Service United States Department of Commerce

Unsettled weather forecast across eastern U.S.

A storm system moving across the Great Lakes will bring unsettled weather to parts of the eastern U.S. on Monday, with widespread rain is expected across much of the Northeast. Snow is likely across Wisconsin and the western Great Lakes. Snow is also expected across the central and northern Rockies Monday into Tuesday.
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Current Conditions

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Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

This
Afternoon

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

High: 40 °F

Tonight

Rain Chance for Measurable Precipitation 100%

Rain

Low: 39 °FRising Temperatures

Tuesday

Rain Chance for Measurable Precipitation 90%

Rain

High: 44 °F

Tuesday
Night

Rain/Snow Likely Chance for Measurable Precipitation 60%

Rain/Snow
Likely

Low: 38 °F

Wednesday

Chance Rain/Snow Chance for Measurable Precipitation 30%

Chance
Rain/Snow

High: 41 °F

Wednesday
Night

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

Low: 34 °F

Thanksgiving
Day

Snow Chance for Measurable Precipitation 80%

Snow

High: 39 °F

Thursday
Night

Snow Likely

Snow
Likely

Low: 31 °F

Friday

Snow

Snow

High: 38 °F

Detailed Forecast

  • This Afternoon Snow likely before 4pm, then rain, possibly mixed with snow. High near 40. South wind around 9 mph. Chance of precipitation is 80%. Total daytime snow accumulation of around an inch possible.
  • Tonight Rain. Temperature rising to around 43 by 11pm. West southwest wind 13 to 20 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
  • Tuesday Rain. High near 44. Breezy, with a west wind 23 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
  • Tuesday Night Rain likely before 4am, then a chance of rain and snow. Cloudy, with a low around 38. Breezy, with a west wind 21 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
  • Wednesday A chance of rain and snow, mainly before 10am. Mostly cloudy, with a high near 41. West southwest wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
  • Wednesday Night A chance of rain. Mostly cloudy, with a low around 34. Breezy. Chance of precipitation is 40%.
  • Thanksgiving Day Snow. High near 39. Windy. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
  • Thursday Night Snow likely. Cloudy, with a low around 31. Breezy.
  • Friday Snow. Cloudy, with a high near 38. Breezy.
  • Friday Night Snow. Cloudy, with a low around 31.
  • Saturday A chance of snow. Cloudy, with a high near 38.
  • Saturday Night A chance of snow. Cloudy, with a low around 32.
  • Sunday A chance of snow. Cloudy, with a high near 38.