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DeWitt, IL Weather Forecast
DeWitt, IL Weather Forecast Date: 337 PM CDT Mon Sep 07 2026
The area/counties/county of: De Witt, including the city of Clinton.or toggle through each period.
Tonight... Mostly clear this evening, then becoming partly cloudy. Lows around 60. East winds 5 to 10 mph.
Tuesday... Mostly sunny. Highs around 90. South winds 5 to 10 mph.
Tuesday Night... Partly cloudy. Not as cool with lows around 70. South winds 10 to 15 mph.
Wednesday... Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs around 90. Southwest winds 10 to 15 mph. Chance of rain 50%.
Wednesday Night... Showers likely. Lows in the mid 60s. West winds 5 to 10 mph. Chance of rain 70%.
Thursday... Partly sunny. Highs in the lower 80s.
Thursday Night... Mostly clear. Lows in the upper 50s. Highs in the mid 80s.
Friday... Mostly clear. Lows in the upper 50s. Highs in the mid 80s.
Friday Night... Partly cloudy. A chance of showers after midnight. Lows in the lower 60s. Chance of rain 30%.
Saturday... Mostly sunny. Highs in the upper 80s.
Saturday Night... Mostly clear. Lows in the mid 60s.
Sunday... Mostly sunny. Highs in the mid 80s.
Sunday Night... Mostly clear. Lows in the lower 60s.
POP = Probability of Precipitation
DeWitt Radar Loop
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