Weather forecast for: Marseilles IL
Last Update: 8:36 pm CDT Sep 14, 2026
Tonight: A 40 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 67. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday: A chance of showers and thunderstorms before 7am, then showers and possibly a thunderstorm between 7am and 10am, then a chance of showers and thunderstorms after 10am. High near 83. South southwest wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 65. North wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 75. East northeast wind around 5 mph. Chance of precipitation is 60%.
Wednesday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. East northeast wind around 5 mph becoming calm after midnight.
Thursday: Showers likely and possibly a thunderstorm before 1pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Thursday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 67.
Friday: A chance of showers. Partly sunny, with a high near 84.
Friday Night: A chance of showers before 1am. Partly cloudy, with a low around 69.
Saturday: A chance of showers. Mostly sunny, with a high near 86.
Saturday Night: A chance of showers. Partly cloudy, with a low around 67.
Sunday: A chance of showers. Partly sunny, with a high near 80.
Sunday Night: A chance of showers. Mostly cloudy, with a low around 62.
Monday: A chance of showers. Partly sunny, with a high near 78.