Weather WorldPotthast Lake, IL 7-Day Night Weather Forecast
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Potthast Lake, IL Weather Forecast
Potthast Lake, IL Weather Forecast Date: 308 PM CDT Mon Oct 05 2026
The area/counties/county of: Montgomery County Il, including the cities of: Litchfield and Vandalia.or toggle through each period.
Tonight... Clear. Lows in the upper 40s. East winds around 5 mph.
Tuesday... Sunny. Highs in the upper 70s. South winds 5 to 10 mph.
Tuesday Night... Clear. Lows in the mid 50s. South winds 5 to 10 mph.
Wednesday... Sunny. Highs in the mid 80s. West winds around 5 mph.
Wednesday Night... Clear. Lows in the mid 50s. Northwest winds around 5 mph in the evening, becoming light and variable.
Thursday... Mostly clear. Highs in the lower 80s. Lows in the lower 50s.
Friday... Mostly clear. Highs in the lower 80s. Lows in the lower 50s.
Saturday... Sunny. Highs in the mid 80s.
Saturday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s.
Sunday... Mostly sunny. A slight chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 20%.
Sunday Night... Partly cloudy. Lows in the upper 50s.
POP = Probability of Precipitation
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