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

Today

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

High: 41 °F

Tonight

Rain Chance for Measurable Precipitation 100%

Rain

Low: 37 °F

Tuesday

Rain Chance for Measurable Precipitation 90%

Rain

High: 44 °F

Tuesday
Night

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

Low: 39 °F

Wednesday

Chance Rain Chance for Measurable Precipitation 30%

Chance
Rain

High: 42 °F

Wednesday
Night

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

Low: 35 °F

Thanksgiving
Day

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

High: 40 °F

Thursday
Night

Rain/Snow Likely

Rain/Snow
Likely

Low: 31 °F

Friday

Rain/Snow

Rain/Snow

High: 39 °F

Detailed Forecast

  • Today A chance of snow between 10am and 4pm, then rain, possibly mixed with snow. High near 41. South wind 6 to 8 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
  • Tonight Rain. Low around 37. Southwest wind 9 to 11 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 25 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
  • Tuesday Night Rain likely, mainly before 10pm. Cloudy, with a low around 39. Breezy, with a west wind 21 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Wednesday A 30 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 42. West southwest wind around 16 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.
  • Wednesday Night A chance of rain. Mostly cloudy, with a low around 35. Breezy. Chance of precipitation is 40%.
  • Thanksgiving Day Rain and snow. High near 40. Windy. Chance of precipitation is 80%. Little or no snow accumulation expected.
  • Thursday Night Rain and snow likely. Cloudy, with a low around 31. Breezy.
  • Friday Rain and snow. Cloudy, with a high near 39. Breezy.
  • Friday Night Rain and snow. Cloudy, with a low around 32.
  • Saturday A chance of snow. Cloudy, with a high near 39.
  • Saturday Night A chance of snow. Cloudy, with a low around 33.
  • Sunday A chance of snow. Cloudy, with a high near 40.