National Weather Service United States Department of Commerce

Flash flooding possible for parts of Upper Midwest

A slow-moving weather system progressing from the northern Plains to the Great Lakes will bring excessive rainfall and a risk of flash flooding to portions of the Upper Midwest on Friday. The heaviest rainfall is expected from central Iowa northeastward across southeastern Minn. and into Wisc. Rainfall totals of 1-2 inches, with locally-higher amounts, are possible through Saturday morning.
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Current Conditions

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4 Miles NE Cascade Locks OR

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Tonight

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 58 °F

Saturday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 70 °F

Saturday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 57 °F

Sunday

Mostly Cloudy

Mostly
Cloudy

High: 70 °F

Sunday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 55 °F

Labor
Day

Mostly Sunny

Mostly
Sunny

High: 72 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 53 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 74 °F

Tuesday
Night

Slight Chance Showers

Slight Chc
Showers

Low: 55 °F

Detailed Forecast

  • Tonight A 20 percent chance of showers. Mostly cloudy, with a low around 58. West southwest wind 8 to 13 mph, with gusts as high as 20 mph.
  • Saturday A 20 percent chance of showers. Partly sunny, with a high near 70. West wind 6 to 13 mph, with gusts as high as 20 mph.
  • Saturday Night A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 57. West wind 5 to 14 mph, with gusts as high as 21 mph.
  • Sunday Mostly cloudy, with a high near 70. West northwest wind 5 to 9 mph.
  • Sunday Night A 20 percent chance of showers. Mostly cloudy, with a low around 55. West northwest wind 7 to 13 mph, with gusts as high as 20 mph.
  • Labor Day Mostly sunny, with a high near 72.
  • Monday Night Partly cloudy, with a low around 53.
  • Tuesday Mostly sunny, with a high near 74.
  • Tuesday Night A slight chance of showers. Mostly cloudy, with a low around 55.
  • Wednesday A slight chance of showers. Partly sunny, with a high near 73.
  • Wednesday Night A slight chance of showers. Partly cloudy, with a low around 54.
  • Thursday Mostly sunny, with a high near 75.
  • Thursday Night Partly cloudy, with a low around 56.
  • Friday Mostly sunny, with a high near 77.