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Howell, IL Weather Forecast
Howell, IL Weather Forecast Date: 1237 PM CDT Mon Sep 14 2026
The area/counties/county of: Shelby, including the city of Shelbyville.or toggle through each period.
This Afternoon... Sunny. Highs in the lower 80s. Southeast winds around 10 mph.
Tonight... Mostly clear. Not as cool with lows in the upper 60s. Southeast winds around 10 mph with gusts up to 20 mph.
Tuesday... Mostly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Warmer. More humid with highs in the mid 90s. Southwest winds 5 to 10 mph. Chance of rain 40%. Heat index values up to 103 in the afternoon.
Tuesday Night... A chance of thunderstorms in the evening. Showers likely. Humid with lows in the upper 60s. South winds around 5 mph, becoming east after midnight. Chance of rain 60%.
Wednesday... A chance of showers in the morning. Mostly sunny. Humid with highs in the lower 90s. East winds around 5 mph, becoming south in the afternoon. Chance of rain 50%. Heat index values up to 100.
Wednesday Night... Partly cloudy. Lows in the upper 60s. Highs in the lower 90s.
Thursday... Partly cloudy. Lows in the upper 60s. Highs in the lower 90s.
Friday... Partly cloudy. Lows in the upper 60s. Highs in the lower 90s.
Saturday... Partly cloudy. Lows in the upper 60s. Highs in the lower 90s.
Saturday Night... Partly cloudy. A chance of showers. Lows in the mid 60s. Highs in the mid 80s. Chance of rain 30%.
POP = Probability of Precipitation
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