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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3 Miles W Delta Park OR

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Tonight

Scattered Showers Chance for Measurable Precipitation 50%

Scattered
Showers

Low: 43 °F

Sunday

Rain Chance for Measurable Precipitation 80%

Rain

High: 50 °F

Sunday
Night

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

Low: 43 °F

Monday

Patchy Fog

Patchy
Fog

High: 51 °F

Monday
Night

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

Low: 43 °F

Tuesday

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

High: 56 °F

Tuesday
Night

Slight Chance Rain Chance for Measurable Precipitation 20%

Slight Chc
Rain

Low: 46 °F

Wednesday

Slight Chance Rain

Slight Chc
Rain

High: 54 °F

Wednesday
Night

Chance Rain

Chance
Rain

Low: 43 °F

Detailed Forecast

  • Tonight Scattered showers, mainly before 4am. Mostly cloudy, with a low around 43. South wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
  • Sunday A chance of showers before 10am, then rain between 10am and 4pm, then a chance of showers after 4pm. High near 50. South southwest wind 9 to 11 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Sunday Night A 40 percent chance of showers, mainly before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 43. South wind 3 to 5 mph.
  • Monday Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 51. Light southeast wind.
  • Monday Night A 40 percent chance of rain. Mostly cloudy, with a low around 43. South wind around 7 mph.
  • Tuesday A 40 percent chance of showers. Mostly cloudy, with a high near 56.
  • Tuesday Night A 20 percent chance of rain. Mostly cloudy, with a low around 46.
  • Wednesday A slight chance of rain. Mostly cloudy, with a high near 54.
  • Wednesday Night A chance of rain. Mostly cloudy, with a low around 43.
  • Thanksgiving Day A chance of rain. Mostly cloudy, with a high near 53.
  • Thursday Night A chance of rain. Mostly cloudy, with a low around 39.
  • Friday A chance of rain. Mostly cloudy, with a high near 49.
  • Friday Night A chance of rain. Cloudy, with a low around 40.
  • Saturday Rain likely. Cloudy, with a high near 48.