County Forecast for Bloomington , IL
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191600-
McLean-
Including the cities of Bloomington and Normal
321 AM CDT Sat Jul 19 2025

Rest of tonight   Partly cloudy. Near steady temperature around 70. Southeast winds 5 to 10 mph.
Saturday   Showers likely. A chance of thunderstorms. Some thunderstorms may produce heavy rainfall in the afternoon. Humid with highs in the mid 80s. South winds 5 to 10 mph, becoming southwest in the afternoon. Chance of rain 70 percent.
Saturday night   Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with showers and thunderstorms likely after midnight. Some thunderstorms may produce heavy rainfall in the evening. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 60 percent.
Sunday   A chance of thunderstorms. Showers likely. Humid with highs in the lower 80s. Northeast winds around 5 mph. Chance of rain 70 percent.
Sunday night   A chance of thunderstorms. Showers likely. Lows in the upper 60s. Northeast winds 5 to 10 mph. Chance of rain 70 percent.
Monday   Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent.
Monday night through tuesday night   Partly cloudy. Lows around 70. Highs in the upper 80s.
Wednesday through thursday   Mostly clear. Highs in the lower 90s. Lows in the mid 70s.
Thursday night   Partly cloudy. Lows in the lower 70s.
Friday   Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 30 percent. Heat index values up to 100.
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Bryce Anderson – DTN Meteorologist
Widespread Corn Belt Rain This Weekend

Potential severe weather and heavy rainfall for the Corn Belt. Heat will be building in the South and Southeast. » More DTN Weather Commentary

Posted at 12:09PM Fri Jul 18, 2025 CDT
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