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Carlyle Reservoir, IL 7-Day Night Weather Forecast
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Carlyle Reservoir, IL Weather Forecast
Carlyle Reservoir, IL Weather Forecast Date: 1028 PM CDT Sun Aug 09 2026
The area/counties/county of: Clinton County Il, Washington County Il.or toggle through each period.
Overnight... Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph with gusts up to 20 mph.
Monday... Mostly sunny. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 112 in the afternoon.
Monday Night... Partly cloudy. Humid with lows in the upper 70s. South winds 5 to 10 mph. Heat index values up to 109 early in the evening.
Tuesday... Sunny, hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Heat index values up to 113 in the afternoon.
Tuesday Night... Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Heat index values up to 111 early in the evening.
Wednesday... Mostly sunny with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the lower 90s. Chance of rain 30%. Heat index values up to 105 in the afternoon.
Wednesday Night... Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the mid 70s. Chance of rain 50%. Heat index values up to 105 early in the evening.
Thursday... Partly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50%. Heat index values up to 100.
Thursday Night... Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows around 70. Chance of rain 70%.
Friday... Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the upper 80s. Lows in the lower 70s. Chance of rain 40%.
Saturday... Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the upper 80s. Lows in the lower 70s. Chance of rain 40%.
Saturday Night... Partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 70s. Highs in the upper 80s. Chance of rain 20%.
POP = Probability of Precipitation
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