County Forecast for Grant Park , IL
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120115-
Kankakee-
Including the cities of Kankakee, Bourbonnais, and Bradley
529 AM CDT Tue Aug 11 2026

Today   A chance of showers and thunderstorms early in the morning, then showers and thunderstorms in the late morning and early afternoon. A chance of showers and thunderstorms late. Some thunderstorms may be severe in the late morning and early afternoon. Locally heavy rainfall possible in the late morning and early afternoon. Highs in the mid 80s. South winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Chance of precipitation 90 percent.
Tonight   Mostly cloudy. A slight chance of showers and thunderstorms early in the evening. Humid with lows in the upper 60s. East winds around 5 mph in the evening, becoming light and variable. Chance of precipitation 20 percent.
Wednesday   Mostly cloudy. A chance of showers and thunderstorms in the late morning and afternoon. Humid with highs in the mid 80s. Southeast winds around 5 mph, becoming southwest in the afternoon. Chance of precipitation 50 percent.
Wednesday night   Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms. Humid with lows in the upper 60s. Northeast winds around 5 mph. Chance of precipitation 50 percent.
Thursday   Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. Northeast winds around 5 mph. Chance of precipitation 70 percent.
Thursday night   A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 60s. Chance of precipitation 50 percent.
Friday   Mostly cloudy. A slight chance of showers and thunderstorms in the morning. Highs in the upper 70s. Chance of precipitation 20 percent.
Friday night   Mostly cloudy in the evening, then partly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Chance of precipitation 50 percent.
Saturday   Mostly cloudy. A chance of showers and thunderstorms in the morning. Highs in the lower 80s. Chance of precipitation 50 percent.
Saturday night   Mostly cloudy in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of precipitation 50 percent.
Sunday   Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of precipitation 40 percent.
Sunday night   Mostly cloudy. A chance of showers in the evening. Lows in the mid 60s. Chance of precipitation 30 percent.
Monday   Partly cloudy. Highs in the upper 70s.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
More Showers and Storms for Corn Belt Tuesday
Posted at 5:35AM Tue Aug 11, 2026 CDT
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