Weather forecast for: Bourbonnais IL
Last Update: 1:35 pm CDT Oct 28, 2026
This Afternoon: Sunny, with a high near 78. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight: Increasing clouds, with a low around 58. South wind 5 to 10 mph.
Thursday: A 40 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Increasing clouds, with a high near 70. South southwest wind around 10 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night: Mostly clear, with a low around 42. North northwest wind around 5 mph becoming calm in the evening.
Friday: Mostly sunny, with a high near 66. Calm wind becoming east around 5 mph in the afternoon.
Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 51.
Saturday: A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 65.
Saturday Night: Cloudy, with a low around 49.
Sunday: A chance of showers before 1pm. Mostly cloudy, with a high near 68.
Sunday Night: Mostly cloudy, with a low around 51.
Monday: A chance of showers. Partly sunny, with a high near 70.
Monday Night: A chance of showers. Mostly cloudy, with a low around 54.
Tuesday: Showers likely. Partly sunny, with a high near 70.