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Fillmore, IL Weather Forecast
Fillmore, IL Weather Forecast Date: 1223 AM CDT Mon Oct 26 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. Near steady temperature in the lower 50s. South winds around 5 mph.
Monday... Partly sunny. Highs in the mid 70s. Southwest winds around 5 mph.
Monday Night... Partly cloudy. Lows in the upper 40s. South winds around 5 mph in the evening, becoming light and variable.
Tuesday... Partly sunny. Highs in the mid 70s. South winds around 5 mph.
Tuesday Night... Mostly cloudy. Lows around 50. South winds around 5 mph in the evening, becoming light and variable.
Wednesday... Sunny. Highs in the upper 70s.
Wednesday Night... Clear. Lows in the lower 50s.
Thursday... Sunny. Highs in the lower 80s.
Thursday Night... Partly cloudy. Lows in the mid 50s. Highs around 80.
Friday... Partly cloudy. Lows in the mid 50s. Highs around 80.
Friday Night... Mostly cloudy. Lows in the mid 50s.
Saturday... Partly sunny. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 50%.
Saturday Night... Showers likely. Lows in the upper 50s. Chance of rain 70%.
POP = Probability of Precipitation
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