Saturday
Hot
High:
99°F
Sunny and hot, with a high near 99. Heat index values as high as 106. Calm wind becoming northwest around 6 mph in the morning.
Belleville, IL Weather - Extended Forecast
Saturday Night
Mostly clear
Overnight low:
73°F
Mostly clear, with a low around 73. North wind around 5 mph becoming calm in the evening.
Sunday
Sunny
High:
95°F
Sunny, with a high near 95.
Sunday Night
Mostly clear
Overnight low:
68°F
Mostly clear, with a low around 68.
Labor Day
Sunny
High:
94°F
Monday Night
Mostly clear
Overnight low:
69°F
Tuesday
Hot
High:
98°F
Tuesday Night
Mostly clear
Overnight low:
76°F
Wednesday
Hot
High:
100°F
Wednesday Night
Partly cloudy
Overnight low:
76°F
Thursday
Slight chance of thunderstorms
High:
95°F