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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Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Tonight

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

Low: 35 °F

Tuesday

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

High: 43 °F

Tuesday
Night

Rain Chance for Measurable Precipitation 90%

Rain

Low: 34 °F

Wednesday

Snow Chance for Measurable Precipitation 100%

Snow

High: 35 °F

Wednesday
Night

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

Low: 26 °F

Christmas
Day

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 28 °F

Thursday
Night

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 26 °F

Friday

Chance Snow

Chance
Snow

High: 33 °F

Friday
Night

Chance Snow

Chance
Snow

Low: 29 °F

Detailed Forecast

  • Tonight A 50 percent chance of rain after 10pm. Mostly cloudy, with a low around 35. South wind 3 to 6 mph.
  • Tuesday Rain likely. Mostly cloudy, with a high near 43. West southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Tuesday Night Rain. Low around 34. Southwest wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
  • Wednesday Snow. High near 35. North northwest wind 3 to 8 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
  • Wednesday Night Snow showers likely. Mostly cloudy, with a low around 26. West wind around 20 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
  • Christmas Day A 50 percent chance of snow showers. Mostly cloudy, with a high near 28. New snow accumulation of around an inch possible.
  • Thursday Night A 50 percent chance of snow showers. Mostly cloudy, with a low around 26. New snow accumulation of less than a half inch possible.
  • Friday A chance of snow showers. Mostly cloudy, 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 35. Windy.
  • Saturday Night Snow likely. Mostly cloudy, with a low around 26. Windy.
  • Sunday A chance of snow showers. Mostly cloudy, with a high near 30.
  • Sunday Night A chance of snow showers. Mostly cloudy, with a low around 23.
  • Monday Mostly sunny, with a high near 29.