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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Des Moines IA

7 Day Forecast

For More Weather Information:

Des Moines, IA Local Forecast Office

Tonight

Thunderstorms Likely Chance for Measurable Precipitation 70%

Thunderstorms
Likely

Low: 19 °C

Saturday

Isolated Thunderstorms Chance for Measurable Precipitation 10%

Isolated
Thunderstorms

High: 27 °C

Saturday
Night

Mostly Clear

Mostly
Clear

Low: 19 °C

Sunday

Mostly Sunny

Mostly
Sunny

High: 31 °C

Sunday
Night

Thunderstorms Chance for Measurable Precipitation 80%

Thunderstorms

Low: 20 °C

Labor
Day

Thunderstorms Chance for Measurable Precipitation 80%

Thunderstorms

High: 28 °C

Monday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 17 °C

Tuesday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 27 °C

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 17 °C

Detailed Forecast

  • Tonight Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 19. South southwest wind 8 to 11 km/h becoming west after midnight. Chance of precipitation is 70%. New rainfall amounts between 5 and 7.5 mm possible.
  • Saturday Isolated showers and thunderstorms before 7am. Partly sunny, with a high near 27. West northwest wind around 11 km/h. Chance of precipitation is 10%.
  • Saturday Night Mostly clear, with a low around 19. West wind 5 to 10 km/h becoming calm.
  • Sunday Mostly sunny, with a high near 31. South wind 8 to 13 km/h increasing to 19 to 24 km/h in the afternoon.
  • Sunday Night Showers and thunderstorms after 8pm. Low around 20. South southeast wind 18 to 23 km/h. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 cm possible.
  • Labor Day Showers and thunderstorms, mainly before 8am. High near 28. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.
  • Monday Night A 30 percent chance of showers and thunderstorms, mainly after 8pm. Partly cloudy, with a low around 17.
  • Tuesday A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 27.
  • Tuesday Night Partly cloudy, with a low around 17.
  • Wednesday Sunny, with a high near 28.
  • Wednesday Night Partly cloudy, with a low around 21.
  • Thursday Mostly sunny, with a high near 30.
  • Thursday Night Partly cloudy, with a low around 22.
  • Friday A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 29.