Weather forecast for: Lansing IL
Last Update: 10:51 am CDT Sep 17, 2026
Today: A chance of showers before noon, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 77. Southwest wind around 5 mph becoming north in the afternoon. Chance of precipitation is 50%.
Tonight: A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 66. North northeast wind around 5 mph, with gusts as high as 15 mph.
Friday: Mostly cloudy, with a high near 74. East wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. East wind around 10 mph, with gusts as high as 15 mph.
Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. South wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Saturday Night: Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 80%.
Sunday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.
Sunday Night: A chance of showers. Mostly cloudy, with a low around 59.
Monday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 67.
Monday Night: Mostly cloudy, with a low around 56.
Tuesday: Partly sunny, with a high near 68.
Tuesday Night: Mostly cloudy, with a low around 57.
Wednesday: Mostly sunny, with a high near 72.