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Gatch Lake, IL Weather Forecast
Gatch Lake, IL Weather Forecast Date: 127 AM CDT Sun Oct 11 2026
The area/counties/county of: Montgomery County Il, including the cities of: Litchfield and Vandalia.or toggle through each period.
Rest of Tonight... Partly cloudy. Lows in the lower 50s. Northeast winds around 5 mph.
Sunday... Sunny. Highs in the mid 80s. Light and variable winds, becoming west around 5 mph in the afternoon.
Sunday Night... Mostly clear in the evening, then becoming partly cloudy. Lows around 60. South winds around 5 mph.
Columbus Day... Mostly sunny. Highs in the lower 90s. Southwest winds 5 to 10 mph.
Monday Night... Clear. Lows in the upper 60s. Southwest winds 5 to 10 mph.
Tuesday... Sunny. Highs in the lower 90s.
Tuesday Night... Mostly clear in the evening, then becoming partly cloudy. A chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 50%.
Wednesday... Showers likely. A chance of thunderstorms, mainly in the morning. Cooler with highs in the lower 80s. Chance of rain 70%.
Wednesday Night... Mostly cloudy with a slight chance of thunderstorms. A chance of showers. Lows around 60. Chance of rain 50%.
Thursday... Showers likely with a chance of thunderstorms. Highs in the upper 70s. Chance of rain 70%.
Thursday Night... Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the lower 50s. Chance of rain 40%.
Friday... Partly sunny. Cooler with highs in the upper 60s.
Friday Night... Partly cloudy. Lows around 40. Highs around 60.
POP = Probability of Precipitation
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