National Weather Service United States Department of Commerce

The flash flooding threat will begin moving east out of the Plains into the Upper Midwest and Great Lakes on Thursday

Flash flooding will continue to be possible on Thursday but will begin moving out of the central and northern Plains. The area of concern will be the Upper Midwest edging into the the eastern Great Lakes region. 1 to 2 inches of rainfall will be possible into Friday.
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Current Conditions

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3 Miles SE Portland International Airport OR

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Overnight

Increasing Clouds

Increasing
Clouds

Low: 62 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 82 °F

Thursday
Night

Increasing Clouds

Increasing
Clouds

Low: 60 °F

Friday

Mostly Cloudy

Mostly
Cloudy

High: 76 °F

Friday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 58 °F

Saturday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 72 °F

Saturday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 57 °F

Sunday

Slight Chance Showers

Slight Chc
Showers

High: 77 °F

Sunday
Night

Slight Chance Showers

Slight Chc
Showers

Low: 57 °F

Detailed Forecast

  • Overnight Increasing clouds, with a low around 62. North northwest wind 5 to 7 mph becoming calm after midnight.
  • Thursday Mostly sunny, with a high near 82. Light north northwest wind becoming northwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
  • Thursday Night Increasing clouds, with a low around 60. North northwest wind 5 to 13 mph, with gusts as high as 20 mph.
  • Friday Mostly cloudy, with a high near 76. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
  • Friday Night Mostly cloudy, with a low around 58. West northwest wind 6 to 9 mph.
  • Saturday A 20 percent chance of showers. Cloudy, with a high near 72.
  • Saturday Night A 20 percent chance of showers. Mostly cloudy, with a low around 57.
  • Sunday A slight chance of showers. Mostly cloudy, with a high near 77.
  • Sunday Night A slight chance of showers. Mostly cloudy, with a low around 57.
  • Labor Day Mostly sunny, with a high near 79.
  • Monday Night Partly cloudy, with a low around 57.
  • Tuesday Mostly sunny, with a high near 81.
  • Tuesday Night Mostly cloudy, with a low around 58.
  • Wednesday Mostly sunny, with a high near 79.