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City of Mendota, ILMendota, IL 7-Day Night Weather Forecast
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Mendota, IL Weather Forecast
Mendota, IL Weather Forecast Date: 120 AM CDT Sat Sep 12 2026
The area/counties/county of: La Salle, including the cities of: Ottawa, Streator, La Salle, Mendota, and Marseilles.or toggle through each period.
Rest of Tonight... Partly cloudy. Lows in the lower 60s. South winds around 5 mph.
Saturday... Partly cloudy. Humid with highs in the mid 80s. Southwest winds 5 to 10 mph, becoming west in the afternoon.
Saturday Night... Partly cloudy. Lows around 60. North winds around 5 mph.
Sunday... Partly cloudy in the morning, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 70s. North winds 5 to 10 mph. Chance of precipitation 40%.
Sunday Night... Partly cloudy in the evening, then clearing. Lows in the lower 50s. Northeast winds around 5 mph.
Monday... Partly cloudy with a slight chance of showers in the morning, then mostly cloudy in the afternoon. Highs in the mid 70s. Chance of precipitation 20%.
Monday Night... Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Near steady temperature in the upper 60s. Chance of precipitation 40%.
Tuesday... Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of precipitation 50%.
Tuesday Night... Showers with a chance of thunderstorms. Lows in the mid 60s. Chance of precipitation 90%.
Wednesday... A chance of thunderstorms. Showers. Highs in the lower 80s. Chance of precipitation 80%.
Wednesday Night... Showers likely with a chance of thunderstorms. Lows in the mid 60s. Chance of precipitation 70%.
Thursday... A chance of showers in the morning. Mostly cloudy. Highs around 80. Chance of precipitation 50%.
Thursday Night... Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers after midnight. Lows around 60. Chance of precipitation 30%.
POP = Probability of Precipitation
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