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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18 Miles SE Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Today

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

High: 44 °F

Tonight

Rain Chance for Measurable Precipitation 100%

Rain

Low: 40 °FRising Temperatures

Tuesday

Rain Chance for Measurable Precipitation 90%

Rain

High: 47 °F

Tuesday
Night

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

Low: 43 °F

Wednesday

Chance Rain Chance for Measurable Precipitation 30%

Chance
Rain

High: 51 °F

Wednesday
Night

Chance Rain Chance for Measurable Precipitation 30%

Chance
Rain

Low: 40 °F

Thanksgiving
Day

Rain Chance for Measurable Precipitation 80%

Rain

High: 48 °F

Thursday
Night

Rain Likely

Rain
Likely

Low: 38 °F

Friday

Rain

Rain

High: 46 °F

Detailed Forecast

  • Today A 50 percent chance of rain. Cloudy, with a high near 44. Calm wind becoming south southwest around 6 mph in the afternoon. New precipitation amounts between a tenth and quarter of an inch possible.
  • Tonight Rain. Temperature falling to near 40 by 8pm, then rising to around 45 during the remainder of the night. West wind 8 to 11 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
  • Tuesday Rain. High near 47. West southwest wind around 9 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. Mostly cloudy, with a low around 43. West southwest wind around 8 mph. Chance of precipitation is 70%. 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 51. West wind around 6 mph becoming calm in the morning. New precipitation amounts of less than a tenth of an inch possible.
  • Wednesday Night A 30 percent chance of rain. Mostly cloudy, with a low around 40.
  • Thanksgiving Day Rain. High near 48. Chance of precipitation is 80%.
  • Thursday Night Rain likely. Cloudy, with a low around 38.
  • Friday Rain. Cloudy, with a high near 46.
  • Friday Night Rain likely. Cloudy, with a low around 34.
  • Saturday A chance of rain. Cloudy, with a high near 43.
  • Saturday Night A chance of rain. Cloudy, with a low around 30.
  • Sunday A chance of rain. Cloudy, with a high near 43.