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Roodhouse Lake, IL Weather Forecast
Roodhouse Lake, IL Weather Forecast Date: 1027 PM CDT Thu Aug 20 2026
The area/counties/county of: Greene County Il, Jersey County Il.or toggle through each period.
Overnight... Clear. Patchy fog. Lows around 60. Northeast winds around 5 mph.
Friday... Patchy fog in the morning. Sunny. Highs in the mid 80s. Southwest winds around 5 mph.
Friday Night... Mostly clear with a slight chance of showers in the evening, then partly cloudy after midnight. Lows in the mid 60s. Southwest winds around 5 mph. Chance of rain 20%.
Saturday... Sunny. Highs in the mid 80s. Northwest winds 5 to 10 mph.
Saturday Night... Mostly clear. Lows around 60. North winds around 5 mph.
Sunday... Sunny. Highs in the lower 80s.
Sunday Night... Partly cloudy. Lows in the upper 50s. Highs around 80.
Monday... Partly cloudy. Lows in the upper 50s. Highs around 80.
Monday Night... Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of rain 20%.
Tuesday... Mostly sunny. A slight chance of showers in the morning. Highs in the mid 80s. Chance of rain 20%.
Tuesday Night... Partly cloudy with a chance of showers in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the mid 60s. Chance of rain 30%.
Wednesday... Mostly sunny. A slight chance of showers in the morning. Highs in the mid 80s. Chance of rain 20%.
Wednesday Night... Partly cloudy. Lows in the mid 60s. Highs in the mid 80s.
POP = Probability of Precipitation
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