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Mendon, IL Weather Forecast
Mendon, IL Weather Forecast Date: 129 PM CDT Sat Oct 31 2026
The area/counties/county of: Adams County Il, including the cities of: Quincy, Mount Sterling, Pittsfield, Hannibal, and Bowling Green.or toggle through each period.
This Afternoon... Cloudy with a 30% chance of showers. Near steady temperature in the mid 60s. Northeast winds 5 to 10 mph with gusts up to 20 mph.
Tonight... Cloudy with a 20% chance of showers. Lows in the mid 50s. East winds 5 to 10 mph.
Sunday... Partly sunny with a 20% chance of showers. Highs in the upper 60s. Southeast winds 5 to 10 mph.
Sunday Night... Cloudy. Lows in the mid 50s. Southeast winds 5 to 10 mph.
Monday... Cloudy. A chance of showers, mainly in the morning. Highs in the lower 70s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50%.
Monday Night... A chance of showers in the evening, then showers with a slight chance of thunderstorms after midnight. Lows around 60. Chance of rain near 100%.
Tuesday... Showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain near 100%.
Tuesday Night... Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Cooler with lows in the upper 40s. Chance of rain 50%.
Wednesday... Partly sunny. A chance of showers, mainly in the morning. Highs in the mid 60s. Chance of rain 40%.
Wednesday Night... Partly cloudy. Lows in the mid 40s.
Thursday... Mostly sunny with a 20% chance of showers. Highs in the mid 60s.
Thursday Night... Mostly cloudy. Lows in the mid 40s.
POP = Probability of Precipitation
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