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Old River Lake, IL 7-Day Night Weather Forecast
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Old River Lake, IL Weather Forecast
Old River Lake, IL Weather Forecast Date: 157 PM CDT Fri Oct 09 2026
The area/counties/county of: Wayne County Il, including the city of Fairfield.or toggle through each period.
This Afternoon... Sunny. Near steady temperature in the mid 80s. South winds 5 to 10 mph.
Tonight... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s. Southeast winds around 5 mph.
Saturday... Mostly cloudy. A chance of showers in the afternoon. Highs in the mid 70s. East winds 5 to 10 mph. Chance of rain 40%.
Saturday Night... Cloudy. Showers likely, mainly in the evening. Lows in the upper 50s. Northeast winds 10 to 15 mph. Chance of rain 70%.
Sunday... Mostly cloudy with a chance of showers in the morning, then mostly sunny in the afternoon. Highs in the upper 70s. Northwest winds 5 to 10 mph. Chance of rain 30%.
Sunday Night... Mostly clear. Lows in the upper 50s. Highs around 90.
Columbus Day... Mostly clear. Lows in the upper 50s. Highs around 90.
Monday Night... Clear. Lows in the mid 60s.
Tuesday... Mostly clear. Highs in the upper 80s. Lows in the lower 60s.
Tuesday Night... Mostly clear. Highs in the upper 80s. Lows in the lower 60s.
Wednesday... Mostly cloudy. A chance of showers. Highs in the upper 70s. Lows in the upper 50s. Chance of rain 50%.
Wednesday Night... Mostly cloudy. A chance of showers. Highs in the upper 70s. Lows in the upper 50s. Chance of rain 50%.
POP = Probability of Precipitation
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