National Weather Service United States Department of Commerce

Developing storm will spread rain across eastern U.S.; thunderstorms in the Southeast

A storm system developing in the South will move up the Mississippi River Valley on Sunday bringing rainfall to much of the eastern U.S., along with thunderstorms in the southeastern states. Some of the thunderstorms in the Southeast could produce large hail, damaging wind and heavy rain.
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Current Conditions

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17 Miles ENE Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Today

Snow Chance for Measurable Precipitation 100%

Snow

High: 31 °F

Tonight

Snow Chance for Measurable Precipitation 90%

Snow

Low: 29 °F

Monday

Rain/Snow Likely Chance for Measurable Precipitation 60%

Rain/Snow
Likely

High: 39 °F

Monday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 31 °F

Tuesday

Rain Chance for Measurable Precipitation 80%

Rain

High: 42 °F

Tuesday
Night

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

Low: 34 °F

Wednesday

Chance Rain Chance for Measurable Precipitation 30%

Chance
Rain

High: 39 °F

Wednesday
Night

Chance Rain

Chance
Rain

Low: 30 °F

Thanksgiving
Day

Chance Rain

Chance
Rain

High: 38 °F

Detailed Forecast

  • Today Snow. High near 31. Breezy, with a west southwest wind 17 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 7 inches possible.
  • Tonight Snow, mainly before 10pm. Low around 29. West wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
  • Monday A chance of snow before 4pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 39. West wind around 8 mph becoming south southwest in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.
  • Monday Night Rain. Low around 31. West southwest wind 13 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
  • Tuesday Rain. High near 42. Breezy, with a west wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
  • Tuesday Night A 50 percent chance of rain. Mostly cloudy, with a low around 34. Breezy.
  • Wednesday A 30 percent chance of rain. Mostly cloudy, with a high near 39.
  • Wednesday Night A chance of rain. Mostly cloudy, with a low around 30.
  • Thanksgiving Day A chance of rain. Mostly cloudy, with a high near 38.
  • Thursday Night A chance of rain. Cloudy, with a low around 30.
  • Friday A chance of rain. Cloudy, with a high near 37.
  • Friday Night Rain likely. Cloudy, with a low around 30.
  • Saturday Rain likely. Cloudy, with a high near 37.