Wednesday
Mostly sunny
High:
77°F
Mostly sunny, with a high near 77. Light southeast wind becoming south 6 to 11 mph in the morning.
Belleville, IL Weather - Tomorrow’s Forecast
Wednesday Night
Mostly clear
Overnight low:
63°F
Mostly clear, with a low around 63. South wind around 10 mph, with gusts as high as 20 mph.