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Henderson, IL 7-Day Night Weather Forecast
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Henderson, IL Weather Forecast
Henderson, IL Weather Forecast Date: 157 PM CDT Thu Sep 10 2026
The area/counties/county of: Knox, including the city of Galesburg.or toggle through each period.
This Afternoon... Mostly cloudy with a 20% chance of showers. Near steady temperature in the upper 70s. North winds around 5 mph.
Tonight... Partly cloudy. Patchy fog after midnight. Lows around 60. Northeast winds around 5 mph.
Friday... Patchy fog in the morning. Mostly sunny. Highs in the lower 80s. Southeast winds 5 to 10 mph.
Friday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s. South winds around 5 mph.
Saturday... Partly sunny. Humid with highs in the mid 80s. Southwest winds 5 to 10 mph, becoming west in the afternoon.
Saturday Night... Mostly clear in the evening, then becoming partly cloudy. Lows around 60.
Sunday... Partly sunny. Highs around 80.
Sunday Night... Mostly cloudy in the evening, then partly cloudy with a chance of showers after midnight. Lows in the lower 60s. Chance of rain 30%.
Monday... Mostly sunny. Highs in the mid 80s.
Monday Night... Mostly clear in the evening, then becoming partly cloudy. A chance of showers. Lows in the upper 60s. Chance of rain 40%.
Tuesday... Mostly sunny. A chance of showers in the morning, then showers likely in the afternoon. Highs in the lower 80s. Chance of rain 60%.
Tuesday Night... Showers likely. Lows in the lower 60s. Chance of rain 60%.
POP = Probability of Precipitation
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