National Weather Service United States Department of Commerce

Severe weather expected for Upper Midwest on Wednesday

A potent storm system will bring a chance of severe thunderstorms to parts of the Upper Midwest on Wednesday and Wednesday night. Very large hail, damaging wind gusts, tornadoes and heavy rain are possible with these storms.
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Hazardous Weather Conditions

Current Conditions

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Chicago O'Hare International Airport IL

7 Day Forecast

For More Weather Information:

Chicago, IL Local Forecast Office

Overnight

Mostly Clear

Mostly
Clear

Low: 62 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 86 °F

Wednesday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 70 °F

Thursday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 90 °F

Thursday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 74 °F

Friday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 79 °F

Friday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 61 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 71 °F

Saturday
Night

Mostly Clear

Mostly
Clear

Low: 55 °F

Detailed Forecast

  • Overnight Mostly clear, with a low around 62. West southwest wind around 5 mph.
  • Wednesday Mostly sunny, with a high near 86. South southwest wind 5 to 10 mph.
  • Wednesday Night A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. South wind around 10 mph, with gusts as high as 15 mph.
  • Thursday A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 90. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
  • Thursday Night A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
  • Friday A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
  • Friday Night A slight chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 20%.
  • Saturday Mostly sunny, with a high near 71.
  • Saturday Night Mostly clear, with a low around 55.
  • Sunday Sunny, with a high near 73.
  • Sunday Night Mostly clear, with a low around 56.
  • Monday Sunny, with a high near 75.
  • Monday Night Partly cloudy, with a low around 60.
  • Tuesday A chance of showers and thunderstorms. Partly sunny, with a high near 74.