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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3 Miles SW Lolo Pass OR

7 Day Forecast

For More Weather Information:

Portland, OR Local Forecast Office

Late
Afternoon

Mostly Sunny

Mostly
Sunny

High: 71 °F

Tonight

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 51 °F

Saturday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 65 °F

Saturday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 52 °F

Sunday

Partly Sunny

Partly
Sunny

High: 67 °F

Sunday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 49 °F

Labor
Day

Mostly Sunny

Mostly
Sunny

High: 69 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 48 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 71 °F

Detailed Forecast

  • Late Afternoon Mostly sunny, with a high near 71. West wind around 13 mph, with gusts as high as 20 mph.
  • Tonight A 20 percent chance of showers. Mostly cloudy, with a low around 51. West northwest wind 5 to 10 mph becoming southeast after midnight.
  • Saturday A 20 percent chance of showers. Partly sunny, with a high near 65. West wind around 8 mph.
  • Saturday Night A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 52. West northwest wind 5 to 11 mph.
  • Sunday Partly sunny, with a high near 67. West northwest wind 5 to 10 mph.
  • Sunday Night A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 49.
  • Labor Day Mostly sunny, with a high near 69.
  • Monday Night Partly cloudy, with a low around 48.
  • Tuesday Mostly sunny, with a high near 71.
  • Tuesday Night Partly cloudy, with a low around 49.
  • Wednesday Mostly sunny, with a high near 70.
  • Wednesday Night Partly cloudy, with a low around 48.
  • Thursday Mostly sunny, with a high near 73.
  • Thursday Night Partly cloudy, with a low around 51.
  • Friday Mostly sunny, with a high near 74.