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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2 Miles SSW Saint John IN

7 Day Forecast

For More Weather Information:

Chicago, IL Local Forecast Office

Tonight

Areas Fog

Areas
Fog

Low: 61 °F

Wednesday

Sunny

Sunny

High: 84 °F

Wednesday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 67 °F

Thursday

Breezy

Breezy

High: 89 °F

Thursday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 73 °F

Friday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 81 °F

Friday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 62 °F

Saturday

Partly Sunny

Partly
Sunny

High: 71 °F

Saturday
Night

Partly Cloudy

Partly
Cloudy

Low: 54 °F

Detailed Forecast

  • Tonight Areas of fog after 1am. Otherwise, mostly clear, with a low around 61. West southwest wind around 5 mph becoming calm.
  • Wednesday Sunny, with a high near 84. Light south southwest wind becoming south 5 to 10 mph in the morning.
  • Wednesday Night A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. South wind around 10 mph.
  • Thursday Mostly sunny, with a high near 89. Heat index values as high as 96. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 30 mph.
  • Thursday Night A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
  • Friday A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
  • Friday Night A slight chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 20%.
  • Saturday Partly sunny, with a high near 71.
  • Saturday Night Partly cloudy, with a low around 54.
  • Sunday Sunny, with a high near 73.
  • Sunday Night Mostly clear, with a low around 52.
  • Monday Sunny, with a high near 75.
  • Monday Night Partly cloudy, with a low around 58.
  • Tuesday A chance of showers and thunderstorms. Partly sunny, with a high near 75.