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Sumpter, IL 7-Day Night Weather Forecast
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Sumpter, IL Weather Forecast
Sumpter, IL Weather Forecast Date: 127 PM CDT Sun Sep 20 2026
The area/counties/county of: Cumberland, including the city of Greenup.or toggle through each period.
This Afternoon... Partly sunny with a slight chance of showers and thunderstorms. Highs around 90. Northwest winds 5 to 10 mph. Chance of rain 20%.
Tonight... Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 60s. North winds 5 to 10 mph. Chance of rain 60%.
Monday... Cloudy. A chance of showers in the morning. Much cooler with highs in the lower 70s. Northeast winds 5 to 10 mph. Chance of rain 40%.
Monday Night... Mostly cloudy. Lows in the upper 50s. Northeast winds around 10 mph with gusts up to 20 mph.
Tuesday... Partly sunny. Highs in the lower 70s. Northeast winds around 10 mph with gusts up to 20 mph.
Tuesday Night... Partly cloudy. Lows in the lower 50s. Highs in the mid 70s.
Wednesday... Partly cloudy. Lows in the lower 50s. Highs in the mid 70s.
Thursday... Partly cloudy. Lows in the lower 50s. Highs in the mid 70s.
Friday... Partly cloudy. Lows in the lower 50s. Highs in the mid 70s.
POP = Probability of Precipitation
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