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Dewmaine, IL 7-Day Night Weather Forecast
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Dewmaine, IL Weather Forecast
Dewmaine, IL Weather Forecast Date: 112 AM CDT Sat Oct 17 2026
The area/counties/county of: Williamson, including the city of Herrin.or toggle through each period.
Overnight... Mostly clear. Lows in the lower 40s. North winds 10 to 15 mph.
Saturday... Sunny. Highs around 60. North winds 5 to 10 mph.
Saturday Night... Clear. Areas of frost after midnight. Lows in the mid 30s. Northeast winds around 5 mph in the evening, becoming light and variable.
Sunday... Areas of frost in the morning. Sunny. Highs in the upper 60s. Southeast winds around 5 mph.
Sunday Night... Clear. Lows in the upper 30s. East winds around 5 mph in the evening, becoming light and variable.
Monday... Mostly clear. Highs in the lower 70s. Lows in the lower 40s.
Tuesday... Mostly clear. Highs in the lower 70s. Lows in the lower 40s.
Wednesday... Mostly clear. Highs in the lower 70s. Lows in the lower 40s.
Wednesday Night... Clear. Lows in the mid 40s.
Thursday... Mostly clear. Highs in the upper 70s. Lows in the upper 40s.
POP = Probability of Precipitation
Dewmaine Radar Loop
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