Weather forecast for: La Salle IL
Last Update: 4:40 am CDT Sep 7, 2026
Labor Day: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 81. East southeast wind 5 to 10 mph.
Tonight: Partly cloudy, with a low around 61. East wind around 5 mph.
Tuesday: Mostly sunny, with a high near 89. East southeast wind 5 to 10 mph becoming south in the morning. Winds could gust as high as 15 mph.
Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 72. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 85. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Wednesday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 61.
Thursday: Sunny, with a high near 80.
Thursday Night: Mostly clear, with a low around 57.
Friday: Sunny, with a high near 84.
Friday Night: A chance of showers after 1am. Partly cloudy, with a low around 63.
Saturday: Mostly sunny, with a high near 86.
Saturday Night: Mostly clear, with a low around 63.
Sunday: A chance of showers. Mostly sunny, with a high near 82.