Weather WorldLake Piasa, IL 7-Day Night Weather Forecast
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Lake Piasa, IL Weather Forecast
Lake Piasa, IL Weather Forecast Date: 904 PM CDT Sat Aug 01 2026
The area/counties/county of: Greene County Il, Jersey County Il.or toggle through each period.
Tonight... Showers likely with a slight chance of thunderstorms this evening. Mostly cloudy with a chance of drizzle. Near steady temperature in the upper 60s. North winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70%.
Sunday... Partly sunny. Highs around 80. North winds 10 to 15 mph with gusts up to 25 mph.
Sunday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. North winds 10 to 15 mph, diminishing to around 5 mph after midnight.
Monday... Sunny. Highs in the lower 80s. Northeast winds around 5 mph.
Monday Night... Mostly clear. Lows in the lower 60s. East winds around 5 mph.
Tuesday... Mostly clear. Highs in the mid 80s. Lows in the mid 60s.
Tuesday Night... Mostly clear. Highs in the mid 80s. Lows in the mid 60s.
Wednesday... Mostly sunny. Highs in the mid 80s.
Wednesday Night... Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 50%.
Thursday... Partly sunny. A chance of showers and thunderstorms, mainly in the morning. Highs in the mid 80s. Chance of rain 50%.
Thursday Night... Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 30%.
Friday... Partly cloudy. A slight chance of showers and thunderstorms. Highs in the upper 80s. Lows in the lower 70s. Chance of rain 20%.
Friday Night... Partly cloudy. A slight chance of showers and thunderstorms. Highs in the upper 80s. Lows in the lower 70s. Chance of rain 20%.
POP = Probability of Precipitation
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