Weather forecast for: Hanover IL
Last Update: 1:56 pm CDT Sep 3, 2026
This Afternoon: Sunny, with a high near 92. Heat index values as high as 102. South wind around 5 mph.
Tonight: Mostly clear, with a low around 73. South wind around 5 mph.
Friday: A 20 percent chance of showers and thunderstorms before 9am. Mostly sunny, with a high near 93. Heat index values as high as 105. Southeast wind around 5 mph becoming southwest in the afternoon.
Friday Night: A chance of showers and thunderstorms. Mostly cloudy, then becoming clear toward daybreak, with a low around 70. Calm wind. Chance of precipitation is 30%.
Saturday: Mostly sunny, with a high near 88.
Saturday Night: Mostly clear, with a low around 65.
Sunday: Mostly sunny, with a high near 84.
Sunday Night: Partly cloudy, with a low around 62.
Labor Day: Mostly sunny, with a high near 83.
Monday Night: Partly cloudy, with a low around 65.
Tuesday: Mostly sunny, with a high near 88.
Tuesday Night: A 40 percent chance of showers. Partly cloudy, with a low around 71.
Wednesday: A 30 percent chance of showers. Partly sunny, with a high near 88.