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Perryville, IL Weather Forecast
Perryville, IL Weather Forecast Date: 121 AM CDT Mon Oct 12 2026
The area/counties/county of: Winnebago, including the city of Rockford.or toggle through each period.
Rest of Tonight... Mostly cloudy. Near steady temperature in the lower 60s. South winds 5 to 10 mph.
Monday... Partly cloudy. Highs in the mid 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Monday Night... Mostly clear. Lows in the upper 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Tuesday... Mostly sunny. Highs in the lower 80s. West winds 5 to 10 mph.
Tuesday Night... A slight chance of thunderstorms in the evening. Showers. Lows in the upper 50s. North winds around 5 mph. Chance of precipitation 80%.
Wednesday... Mostly cloudy. A slight chance of showers in the morning. Highs around 70. Chance of precipitation 20%.
Wednesday Night... Mostly cloudy. A chance of showers after midnight. Lows in the lower 50s. Chance of precipitation 40%.
Thursday... A slight chance of thunderstorms in the morning. Showers likely. Highs in the mid 60s. Chance of precipitation 70%.
Thursday Night... Mostly cloudy. A chance of showers in the evening. Breezy with lows in the mid 40s. Chance of precipitation 30%.
Friday... Partly cloudy and breezy. Highs in the mid 50s.
Friday Night... Mostly clear. Lows in the lower 30s.
Saturday... Sunny. Highs in the mid 50s.
Saturday Night... Clear. Lows in the upper 30s.
POP = Probability of Precipitation
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