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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2 Miles SSW Portland OR

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Overnight

Scattered Rain Chance for Measurable Precipitation 30%

Scattered
Rain

Low: 40 °F

Sunday

Rain Chance for Measurable Precipitation 80%

Rain

High: 49 °F

Sunday
Night

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

Low: 43 °F

Monday

Mostly Cloudy

Mostly
Cloudy

High: 52 °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: 45 °F

Wednesday

Slight Chance Rain

Slight Chc
Rain

High: 53 °F

Wednesday
Night

Chance Rain

Chance
Rain

Low: 44 °F

Detailed Forecast

  • Overnight Scattered rain, mainly before 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 40. South wind around 7 mph. Chance of precipitation is 30%.
  • Sunday Rain, mainly between 10am and 4pm. High near 49. South southwest wind 10 to 13 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. Mostly cloudy, with a low around 43. South wind 5 to 7 mph.
  • Monday Mostly cloudy, with a high near 52. South southeast wind 3 to 5 mph.
  • Monday Night A 40 percent chance of rain. Mostly cloudy, with a low around 43. South wind around 7 mph. New precipitation amounts of less than a tenth of an inch possible.
  • 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 45.
  • Wednesday A slight chance of rain. Mostly cloudy, with a high near 53.
  • Wednesday Night A chance of rain. Mostly cloudy, with a low around 44.
  • Thanksgiving Day A chance of rain. Mostly cloudy, with a high near 52.
  • Thursday Night A chance of rain. Mostly cloudy, with a low around 40.
  • Friday A chance of rain. Mostly cloudy, with a high near 47.
  • Friday Night A chance of rain. Cloudy, with a low around 40.
  • Saturday Rain likely. Cloudy, with a high near 47.