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Washington County State Conservation Area, IL 7-Day Night Weather Forecast
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Washington County State Conservation Area, IL Weather Forecast
Washington County State Conservation Area, IL Weather Forecast Date: 1028 AM CDT Sat Aug 08 2026
The area/counties/county of: Clinton County Il, Washington County Il.or toggle through each period.
Rest of Today... Sunny. Highs around 90. Southwest winds around 5 mph.
Tonight... Mostly clear. Humid with lows around 70. South winds around 5 mph in the evening, becoming light and variable.
Sunday... Sunny with highs in the lower 90s. South winds 5 to 10 mph. Heat index values up to 107 in the afternoon.
Sunday Night... Mostly clear. Humid with lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 103 early in the evening.
Monday... Sunny with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 109 in the afternoon.
Monday Night... Mostly clear. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 110.
Tuesday... Mostly clear. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 110.
Tuesday Night... Partly cloudy. A chance of showers and thunderstorms. Lows in the mid 70s. Highs in the lower 90s. Chance of rain 40%. Heat index values up to 105.
Wednesday... Partly cloudy. A chance of showers and thunderstorms. Lows in the mid 70s. Highs in the lower 90s. Chance of rain 40%. Heat index values up to 105.
Wednesday Night... Partly cloudy. A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the lower 70s. Chance of rain 60%. Heat index values up to 100 early in the evening.
Thursday... Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50%.
Thursday Night... Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely after midnight. Lows in the upper 60s. Chance of rain 60%.
POP = Probability of Precipitation
Washington County State Conservation Area Radar Loop
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