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Frederick, IL Weather Forecast
Frederick, IL Weather Forecast Date: 637 AM CDT Fri Oct 23 2026
The area/counties/county of: Schuyler, including the city of Rushville.or toggle through each period.
Today... Sunny. Highs in the mid 70s. Southeast winds 5 to 10 mph.
Tonight... Mostly clear. Lows in the lower 50s. Southeast winds around 5 mph.
Saturday... Mostly sunny. Highs in the mid 70s. South winds 5 to 10 mph.
Saturday Night... Partly cloudy. Lows around 50. South winds around 5 mph.
Sunday... Mostly sunny. Highs in the upper 70s. South winds around 5 mph in the morning, becoming light and variable.
Sunday Night... Mostly cloudy. Lows in the lower 50s. Highs in the mid 70s.
Monday... Mostly cloudy. Lows in the lower 50s. Highs in the mid 70s.
Tuesday... Mostly cloudy. Lows in the lower 50s. Highs in the mid 70s.
Wednesday... Partly cloudy. Highs in the mid 70s. Lows in the lower 50s.
Wednesday Night... Partly cloudy. Highs in the mid 70s. Lows in the lower 50s.
POP = Probability of Precipitation
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