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Fenton, IL 7-Day Night Weather Forecast
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Fenton, IL Weather Forecast
Fenton, IL Weather Forecast Date: 816 PM CDT Wed Sep 02 2026
The area/counties/county of: Whiteside, including the city of Sterling.or toggle through each period.
Tonight... Mostly clear this evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. South winds 5 to 10 mph. Chance of rain 20%. Heat index values up to 100 early this evening.
Thursday... Mostly sunny. A slight chance of showers and thunderstorms in the morning. Hot with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 20%. Heat index values up to 103.
Thursday Night... Mostly clear. A chance of showers after midnight. Humid with lows in the lower 70s. South winds around 5 mph. Chance of rain 40%. Heat index values up to 102 early in the evening.
Friday... Sunny, hot with highs in the lower 90s. Southeast winds around 5 mph, becoming southwest in the afternoon. Heat index values up to 103.
Friday Night... Mostly clear in the evening, then becoming partly cloudy. A chance of showers after midnight. Humid with lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 40%. Heat index values up to 102 early in the evening.
Saturday... Partly cloudy. Highs in the upper 80s. Lows in the upper 60s. Heat index values up to 100.
Sunday... Partly cloudy. Highs in the upper 80s. Lows in the upper 60s. Heat index values up to 100.
Monday... Partly cloudy. Highs in the upper 80s. Lows in the upper 60s. Heat index values up to 100.
Tuesday... Partly sunny. Highs in the mid 80s.
Tuesday Night... Partly cloudy. A 30% chance of showers. Lows in the upper 60s. Highs in the upper 80s.
POP = Probability of Precipitation
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