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Belford Lake, IL 7-Day Night Weather Forecast
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Belford Lake, IL Weather Forecast
Belford Lake, IL Weather Forecast Date: 127 AM CDT Wed Aug 05 2026
The area/counties/county of: Williamson, including the city of Herrin.or toggle through each period.
Overnight... Mostly clear. Near steady temperature in the mid 60s. Calm winds.
Wednesday... Sunny. Highs in the lower 90s. South winds around 5 mph.
Wednesday Night... Partly cloudy. Lows in the lower 70s. South winds around 5 mph in the evening, becoming light and variable.
Thursday... Partly sunny in the morning, then becoming mostly cloudy. A chance of showers in the morning. Highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 40%.
Thursday Night... Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 70s. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 50%.
Friday... Partly sunny with a chance of showers and thunderstorms. Highs around 90. Chance of rain 50%.
Friday Night... Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers likely after midnight. Lows in the lower 70s. Chance of rain 60%.
Saturday... Mostly sunny. Highs around 90.
Saturday Night... Mostly clear. Lows in the lower 70s. Highs in the mid 90s.
Sunday... Mostly clear. Lows in the lower 70s. Highs in the mid 90s.
Monday... Mostly clear. Lows in the lower 70s. Highs in the mid 90s.
POP = Probability of Precipitation
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