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City of Marseilles, ILMarseilles, IL 7-Day Night Weather Forecast
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Marseilles, IL Weather Forecast
Marseilles, IL Weather Forecast Date: 231 PM CDT Mon Sep 14 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. Temperatures in the mid 70s. Southeast winds 10 to 15 mph.
Tonight... Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers and thunderstorms after midnight. A chance of showers and thunderstorms late. Warmer. Lows in the upper 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 50%.
Tuesday... Mostly cloudy. Showers in the morning. A chance of thunderstorms. A chance of showers in the afternoon. More humid with highs in the lower 80s. Southwest winds around 10 mph, becoming west in the afternoon. Chance of precipitation 90%.
Tuesday Night... Mostly cloudy. A chance of showers until early morning. A chance of thunderstorms. Showers likely late. Lows in the mid 60s. North winds 5 to 10 mph. Chance of precipitation 60%.
Wednesday... Showers likely in the morning. A chance of thunderstorms. A chance of showers in the afternoon. Highs in the mid 70s. Northeast winds 5 to 10 mph. Chance of precipitation 60%.
Wednesday Night... Mostly cloudy. A chance of showers and thunderstorms after midnight. Lows in the upper 60s. East winds around 5 mph. Chance of precipitation 50%.
Thursday... Showers likely with a chance of thunderstorms in the morning. Highs in the lower 80s. Chance of precipitation 60%.
Thursday Night... Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 60s. Chance of precipitation 30%.
Friday... Mostly cloudy with a 30% chance of showers. Highs in the mid 80s.
Friday Night... Partly cloudy with a chance of showers. Lows in the upper 60s. Chance of precipitation 30%.
Saturday... Partly cloudy with a chance of showers. Highs in the mid 80s. Chance of precipitation 40%.
Saturday Night... Partly cloudy with a chance of showers. Lows in the mid 60s. Chance of precipitation 50%.
Sunday... Mostly cloudy with a chance of showers. Highs around 80. Chance of precipitation 50%.
Sunday Night... Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of precipitation 40%.
POP = Probability of Precipitation
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