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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10 Miles ESE Sumpter OR

7 Day Forecast

For More Weather Information:

Boise, ID Local Forecast Office

Today

Isolated Thunderstorms Chance for Measurable Precipitation 10%

Isolated
Thunderstorms

High: 81 °F

Tonight

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 47 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 64 °F

Saturday
Night

Partly Cloudy

Partly
Cloudy

Low: 40 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 68 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 41 °F

Labor
Day

Mostly Sunny

Mostly
Sunny

High: 71 °F

Monday
Night

Mostly Clear

Mostly
Clear

Low: 42 °F

Tuesday

Sunny

Sunny

High: 76 °F

Detailed Forecast

  • Today Isolated showers and thunderstorms after 5pm. Partly sunny, with a high near 81. Calm wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 10%.
  • Tonight Isolated showers and thunderstorms before 8pm. Mostly cloudy, with a low around 47. West northwest wind 7 to 11 mph. Chance of precipitation is 20%.
  • Saturday Mostly sunny, with a high near 64. Light northwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
  • Saturday Night Partly cloudy, with a low around 40. West northwest wind 6 to 14 mph.
  • Sunday Mostly sunny, with a high near 68. Northwest wind 6 to 8 mph.
  • Sunday Night Partly cloudy, with a low around 41.
  • Labor Day Mostly sunny, with a high near 71.
  • Monday Night Mostly clear, with a low around 42.
  • Tuesday Sunny, with a high near 76.
  • Tuesday Night Mostly clear, with a low around 43.
  • Wednesday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 72.
  • Wednesday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 42.
  • Thursday Mostly sunny, with a high near 68.