Weather WorldLower Stump Lake, IL 7-Day Night Weather Forecast
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Lower Stump Lake, IL Weather Forecast
Lower Stump Lake, IL Weather Forecast Date: 508 AM CDT Fri Aug 07 2026
The area/counties/county of: Greene County Il, Jersey County Il.or toggle through each period.
Today... Mostly sunny. A slight chance of showers and thunderstorms this morning. Highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 20%.
Tonight... Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s. Southwest winds around 5 mph.
Saturday... Mostly sunny. Humid with highs in the upper 80s. West winds around 5 mph.
Saturday Night... Mostly clear. Lows in the upper 60s. East winds around 5 mph, becoming southeast after midnight.
Sunday... Mostly sunny. A slight chance of showers and thunderstorms in the morning. Humid with highs in the lower 90s. South winds 5 to 10 mph. Chance of rain 20%. Heat index values up to 103.
Sunday Night... Mostly clear. Lows in the mid 70s. Highs in the lower 90s. Heat index values up to 105.
Monday... Mostly clear. Lows in the mid 70s. Highs in the lower 90s. Heat index values up to 105.
Tuesday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 20%. Heat index values up to 100.
Tuesday Night... Partly cloudy. A chance of showers and thunderstorms. Lows in the lower 70s. Highs in the mid 80s. Chance of rain 50%. Heat index values up to 100.
Wednesday... Partly cloudy. A chance of showers and thunderstorms. Lows in the lower 70s. Highs in the mid 80s. Chance of rain 50%. Heat index values up to 100.
Wednesday Night... Mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 60s. Highs in the lower 80s. Chance of rain 50%.
POP = Probability of Precipitation
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