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Gillum, IL Weather Forecast
Gillum, IL Weather Forecast Date: 437 AM CDT Mon Sep 14 2026
The area/counties/county of: Mclean, including the cities of: Bloomington and Normal.or toggle through each period.
Today... Mostly sunny. Highs in the upper 70s. Southeast winds 10 to 15 mph.
Tonight... Mostly clear in the evening, then becoming partly cloudy. Not as cool with lows in the upper 60s. Southeast winds around 15 mph with gusts up to 30 mph.
Tuesday... Mostly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Warmer. More humid with highs around 90. Southwest winds 10 to 15 mph, becoming west 5 to 10 mph in the afternoon. Chance of rain 50%.
Tuesday Night... A chance of thunderstorms. Showers. Lows in the mid 60s. Northeast winds 5 to 10 mph. Chance of rain 90%.
Wednesday... Becoming partly sunny in the afternoon. Showers likely, mainly in the morning. Humid with highs in the mid 80s. East winds 5 to 10 mph. Chance of rain 70%.
Wednesday Night... Partly cloudy. A chance of showers after midnight. Lows around 70. Chance of rain 40%.
Thursday... A chance of showers in the morning. Partly sunny. Highs in the mid 80s. Chance of rain 40%.
Thursday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s.
Friday... A chance of showers in the morning. Partly sunny. Highs in the mid 80s. Chance of rain 30%.
Friday Night... Partly cloudy. Lows in the mid 60s.
Saturday... Mostly sunny with a chance of showers. Highs in the lower 80s. Chance of rain 40%.
Saturday Night... Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. Lows in the mid 60s. Chance of rain 50%.
POP = Probability of Precipitation
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