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Denby, IL 7-Day Night Weather Forecast
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Denby, IL Weather Forecast
Denby, IL Weather Forecast Date: 1048 PM CDT Wed Sep 16 2026
The area/counties/county of: Greene County Il, Jersey County Il.or toggle through each period.
Overnight... Partly cloudy late this evening, then clearing. Lows in the lower 70s. East winds around 5 mph, becoming south.
Thursday... Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming west in the afternoon. Chance of rain 20%. Heat index values up to 105.
Thursday Night... Mostly clear in the evening, then becoming partly cloudy. Humid with lows around 70. West winds around 5 mph, becoming northeast after midnight. Heat index values up to 101 early in the evening.
Friday... Sunny. Highs in the lower 90s. East winds around 5 mph, becoming south in the afternoon. Heat index values up to 100.
Friday Night... Mostly clear. Lows in the lower 70s. Southeast winds around 5 mph.
Saturday... Mostly sunny. Hot with highs in the mid 90s.
Saturday Night... Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. A chance of thunderstorms, mainly in the evening. Lows around 70. Chance of rain 50%.
Sunday... Partly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50%.
Sunday Night... Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the mid 60s. Highs in the mid 80s. Chance of rain 40%.
Monday... Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the mid 60s. Highs in the mid 80s. Chance of rain 40%.
Monday Night... Mostly cloudy with a chance of showers in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 40%.
Tuesday... Partly cloudy with a 20% chance of showers. Highs in the lower 80s. Lows in the upper 50s.
POP = Probability of Precipitation
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