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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Hazardous Weather Conditions

Current Conditions

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3 Miles ENE Chicago IL

7 Day Forecast

For More Weather Information:

Chicago, IL Local Forecast Office

Tonight

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

Low: 72 °F

Saturday

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 81 °F

Saturday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 70 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 82 °F

Sunday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 71 °F

Labor
Day

Thunderstorms Likely Chance for Measurable Precipitation 70%

Thunderstorms
Likely

High: 82 °F

Monday
Night

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

Low: 69 °F

Tuesday

Chance Thunderstorms

Chance
Thunderstorms

High: 81 °F

Tuesday
Night

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

Low: 66 °F

Detailed Forecast

  • Tonight Showers and thunderstorms likely, mainly after 2am. Mostly cloudy, with a low around 72. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Saturday A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. South southwest wind around 15 mph, with gusts as high as 25 mph.
  • Saturday Night Mostly cloudy, with a low around 70. Southwest wind 5 to 15 mph.
  • Sunday Mostly sunny, with a high near 82. South southwest wind around 5 mph.
  • Sunday Night A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. South wind 5 to 15 mph.
  • Labor Day Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
  • Monday Night A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
  • Tuesday A chance of showers and thunderstorms. Mostly sunny, with a high near 81.
  • Tuesday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66.
  • Wednesday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82.
  • Wednesday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68.
  • Thursday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
  • Thursday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
  • Friday A chance of showers and thunderstorms. Partly sunny, with a high near 80.