Weather forecast for: Allerton IL
Last Update: 11:31 pm CDT Sep 13, 2026
Overnight: Partly cloudy, with a low around 55. Northeast wind around 8 mph.
Monday: Sunny, with a high near 80. East wind 7 to 11 mph, with gusts as high as 17 mph.
Monday Night: Mostly clear, with a low around 65. East southeast wind around 11 mph, with gusts as high as 18 mph.
Tuesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 96. Heat index values as high as 103. Southwest wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Light and variable wind becoming northeast around 5 mph after midnight. Chance of precipitation is 50%.
Wednesday: A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 91. Northeast wind around 6 mph becoming southwest in the afternoon.
Wednesday Night: Partly cloudy, with a low around 71. Light and variable wind becoming south southwest around 6 mph after midnight.
Thursday: A 30 percent chance of showers. Mostly sunny, with a high near 91.
Thursday Night: Partly cloudy, with a low around 66.
Friday: Mostly sunny, with a high near 86.
Friday Night: A chance of showers. Mostly clear, with a low around 65.
Saturday: A chance of showers. Mostly sunny, with a high near 87.
Saturday Night: A chance of showers. Partly cloudy, with a low around 63.
Sunday: A chance of showers. Partly sunny, with a high near 81.
WeatherWorld.com
