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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11 Miles NW Mount St Helens WA

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Tonight

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 32 °F

Sunday

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

High: 35 °F

Sunday
Night

Rain/Snow Likely Chance for Measurable Precipitation 70%

Rain/Snow
Likely

Low: 33 °F

Monday

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

High: 43 °F

Monday
Night

Rain Chance for Measurable Precipitation 80%

Rain

Low: 35 °F

Tuesday

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

High: 46 °F

Tuesday
Night

Chance Rain Chance for Measurable Precipitation 30%

Chance
Rain

Low: 37 °F

Wednesday

Slight Chance Rain

Slight Chc
Rain

High: 43 °F

Wednesday
Night

Chance Rain

Chance
Rain

Low: 35 °F

Detailed Forecast

  • Tonight Scattered snow showers. Cloudy, with a low around 32. West southwest wind 11 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of 1 to 3 inches possible.
  • Sunday Rain and snow. High near 35. Breezy, with a west southwest wind 22 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
  • Sunday Night Rain and snow showers likely, mainly before 10pm. Mostly cloudy, with a low around 33. West southwest wind 8 to 11 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
  • Monday Rain likely, mainly after 4pm. Mostly cloudy, with a high near 43. South southwest wind 5 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
  • Monday Night Rain. Low around 35. Southwest wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
  • Tuesday Showers likely, mainly before 10am. Cloudy, with a high near 46. Chance of precipitation is 70%.
  • Tuesday Night A 30 percent chance of rain. Mostly cloudy, with a low around 37.
  • Wednesday A slight chance of rain. Mostly cloudy, with a high near 43.
  • Wednesday Night A chance of rain. Mostly cloudy, with a low around 35.
  • Thanksgiving Day A chance of rain. Mostly cloudy, with a high near 42.
  • Thursday Night A chance of rain. Cloudy, with a low around 34.
  • Friday A chance of rain. Cloudy, with a high near 42.
  • Friday Night A chance of rain. Cloudy, with a low around 34.
  • Saturday Rain likely. Cloudy, with a high near 41.