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Meriden, IL Weather Forecast
Meriden, IL Weather Forecast Date: 321 PM 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.
Late This Afternoon... Mostly cloudy. West winds around 10 mph.
Tonight... Partly cloudy in the evening then clearing. Lows in the lower 60s. Northwest winds around 5 mph.
Sunday... Partly cloudy in the morning, then becoming mostly cloudy. A chance of showers 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. North winds around 5 mph.
Monday... Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 70s. East winds 5 to 10 mph, increasing to southeast 10 to 15 mph in the afternoon.
Monday Night... Partly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Warmer with lows in the upper 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 40%.
Tuesday... Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of precipitation 70%.
Tuesday Night... Showers with a chance of thunderstorms. Lows in the mid 60s. Chance of precipitation 90%.
Wednesday... Showers likely, mainly in the morning. Highs in the lower 80s. Chance of precipitation 70%.
Wednesday Night... Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 60s. Chance of precipitation 70%.
Thursday... Showers likely in the morning. Highs in the lower 80s. Chance of precipitation 70%.
Thursday Night... Mostly cloudy. A chance of showers after midnight. Lows in the lower 60s. Chance of precipitation 40%.
Friday... Mostly cloudy. A chance of showers in the morning. Highs in the upper 70s. Chance of precipitation 40%.
Friday Night... Mostly cloudy with a 40% chance of showers. Lows around 60.
POP = Probability of Precipitation
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