Belleville, IL Weather - Tomorrow’s Forecast

Thursday

Sunny

High:
95°F

Sunny, with a high near 95. Heat index values as high as 106. South wind 7 to 16 mph, with gusts as high as 28 mph.

Thursday Night

Showers

Overnight low:
68°F

Showers and possibly a thunderstorm before 1am, then a slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Low around 68. Southwest wind 6 to 14 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 90%.