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Mcmann Lake, IL 7-Day Night Weather Forecast
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Mcmann Lake, IL Weather Forecast
Mcmann Lake, IL Weather Forecast Date: 422 PM CST Fri Nov 06 2026
The area/counties/county of: Menard, including the city of Petersburg.or toggle through each period.
Tonight... Mostly clear. Cooler with lows in the upper 20s. Northwest winds around 5 mph.
Saturday... Mostly sunny. Highs in the lower 50s. Northwest winds around 5 mph.
Saturday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 30s. Southwest winds around 5 mph.
Sunday... Sunny. Not as cool with highs in the lower 60s. West winds 5 to 10 mph.
Sunday Night... Mostly clear. Lows in the mid 30s. West winds around 5 mph in the evening, becoming light and variable.
Monday... Sunny. Highs in the upper 60s.
Monday Night... Clear. Lows in the lower 40s. Highs in the mid 60s.
Tuesday... Clear. Lows in the lower 40s. Highs in the mid 60s.
Tuesday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s.
Veterans Day... Partly cloudy. Highs in the lower 60s. Lows in the mid 30s.
Wednesday Night... Partly cloudy. Highs in the lower 60s. Lows in the mid 30s.
Thursday... Partly cloudy. Highs in the upper 50s. Lows in the mid 30s.
POP = Probability of Precipitation
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