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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21 Miles NW Halfway OR

7 Day Forecast

For More Weather Information:

Boise, ID Local Forecast Office

Tonight

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 47 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 62 °F

Saturday
Night

Partly Cloudy

Partly
Cloudy

Low: 40 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 60 °F

Sunday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 42 °F

Labor
Day

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 63 °F

Monday
Night

Mostly Clear

Mostly
Clear

Low: 43 °F

Tuesday

Sunny

Sunny

High: 69 °F

Tuesday
Night

Mostly Clear

Mostly
Clear

Low: 44 °F

Detailed Forecast

  • Tonight Isolated showers and thunderstorms. Mostly cloudy, with a low around 47. West wind 8 to 11 mph becoming north northwest in the evening. Chance of precipitation is 20%.
  • Saturday Mostly sunny, with a high near 62. West northwest wind 6 to 9 mph.
  • Saturday Night Partly cloudy, with a low around 40. Northwest wind 7 to 14 mph.
  • Sunday Mostly sunny, with a high near 60. West wind 6 to 8 mph.
  • Sunday Night A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 42. Northwest wind around 7 mph.
  • Labor Day A 20 percent chance of showers before 11am. Mostly sunny, with a high near 63.
  • Monday Night Mostly clear, with a low around 43.
  • Tuesday Sunny, with a high near 69.
  • Tuesday Night Mostly clear, with a low around 44.
  • Wednesday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 62.
  • Wednesday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 41.
  • Thursday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 64.
  • Thursday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 44.
  • Friday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 67.