County Forecast for Bloomington , IL
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200200-
McLean-
Including the cities of Bloomington and Normal
127 PM CDT Sun Jul 19 2026

This afternoon   Sunny. Patchy smoke. Near steady temperature in the lower 80s. Northeast winds 5 to 10 mph.
Tonight   Mostly clear in the evening, then becoming partly cloudy. Patchy smoke. Lows in the lower 60s. East winds 5 to 10 mph.
Monday   Mostly sunny. Patchy smoke. Highs in the upper 80s. South winds 5 to 10 mph.
Monday night   Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Not as cool. Humid with lows in the lower 70s. Southwest winds 10 to 15 mph. Chance of rain 50 percent.
Tuesday   Partly sunny with a chance of showers and thunderstorms in the morning, then sunny in the afternoon. Humid with highs in the upper 80s. West winds 15 to 20 mph. Chance of rain 40 percent.
Tuesday night and wednesday   Mostly clear. Lows in the mid 60s. Highs in the upper 70s.
Wednesday night and thursday   Mostly clear. Lows in the mid 50s. Highs in the upper 70s.
Thursday night   Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s.
Friday   Partly sunny. Highs around 80.
Friday night   Partly cloudy in the evening, then clearing. Lows in the lower 60s.
Saturday   Sunny. Highs in the mid 80s.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Heat Wave Continues for Western Corn Belt This Weekend, Then Ends
Posted at 12:00PM Fri Jul 17, 2026 CDT
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