National Weather Service United States Department of Commerce

Strong storm system to bring unsettled weather from Gulf Coast to Great Lakes through Wednesday

A strong storm system will bring potential for severe weather, heavy rainfall and flooding, and heavy snow from the Gulf Coast to the Great Lakes through Wednesday. Severe storms are possible Tuesday across the Gulf Coast states with damaging winds as the primary threat, however a tornadoes cannot be ruled out. Flash flooding is also possible across parts of the Southeast through Wednesday.
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Current Conditions

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3 Miles NW Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Tonight

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

Low: 37 °F

Tuesday

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

High: 44 °F

Tuesday
Night

Rain Chance for Measurable Precipitation 90%

Rain

Low: 35 °F

Wednesday

Snow Chance for Measurable Precipitation 100%

Snow

High: 37 °F

Wednesday
Night

Snow Chance for Measurable Precipitation 80%

Snow

Low: 29 °F

Christmas
Day

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 30 °F

Thursday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 28 °F

Friday

Chance Snow

Chance
Snow

High: 33 °F

Friday
Night

Chance Snow

Chance
Snow

Low: 29 °F

Detailed Forecast

  • Tonight Rain likely. Mostly cloudy, with a low around 37. South southeast wind 5 to 7 mph. Chance of precipitation is 60%.
  • Tuesday Rain likely. Mostly cloudy, with a high near 44. Southwest wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Tuesday Night Rain. Low around 35. South southwest wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
  • Wednesday Snow. High near 37. North northwest wind 5 to 9 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
  • Wednesday Night Snow showers. Low around 29. West wind around 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
  • Christmas Day A 50 percent chance of snow showers. Mostly cloudy, with a high near 30. New snow accumulation of 1 to 2 inches possible.
  • Thursday Night A 50 percent chance of snow showers. Mostly cloudy, with a low around 28. New snow accumulation of less than a half inch possible.
  • Friday A chance of snow showers. Partly sunny, with a high near 33.
  • Friday Night A chance of snow. Mostly cloudy, with a low around 29. Breezy.
  • Saturday Snow likely. Mostly cloudy, with a high near 34. Breezy.
  • Saturday Night Snow likely. Mostly cloudy, with a low around 26. Windy.
  • Sunday A chance of snow showers. Mostly cloudy, with a high near 32.
  • Sunday Night A chance of snow showers. Mostly cloudy, with a low around 23.
  • Monday Mostly sunny, with a high near 31.