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Old Camp, IL 7-Day Night Weather Forecast
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Old Camp, IL Weather Forecast
Old Camp, IL Weather Forecast Date: 127 PM CDT Sun Sep 20 2026
The area/counties/county of: Williamson, including the city of Herrin.or toggle through each period.
This Afternoon... Mostly sunny. Hot. Near steady temperature in the mid 90s. Southwest winds 5 to 10 mph.
Tonight... Partly cloudy in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. West winds around 5 mph, becoming north after midnight. Chance of rain 20%.
Monday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 80s. North winds 5 to 10 mph.
Monday Night... Mostly cloudy. Lows in the lower 60s. North winds 5 to 10 mph.
Tuesday... Partly sunny. Highs in the upper 70s. North winds 5 to 10 mph.
Tuesday Night... Partly cloudy. Lows in the upper 50s. Highs in the mid 70s.
Wednesday... Partly cloudy. Lows in the upper 50s. Highs in the mid 70s.
Wednesday Night... Mostly clear. Lows in the mid 50s.
Thursday... Partly cloudy. Highs in the upper 70s. Lows in the upper 50s.
Friday... Partly cloudy. Highs in the upper 70s. Lows in the upper 50s.
POP = Probability of Precipitation
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