Sunday
Mostly sunny
High:
30°F
Mostly sunny, with a high near 30. Calm wind becoming south 5 to 7 mph in the afternoon.
Belleville, IL Weather - Extended Forecast
Sunday Night
Mostly cloudy
Overnight low:
20°F
Mostly cloudy, with a low around 20.
Monday
Partly sunny
High:
37°F
Partly sunny, with a high near 37.
Monday Night
Mostly cloudy
Overnight low:
22°F
Mostly cloudy, with a low around 22.
Tuesday
Mostly cloudy
High:
38°F
Tuesday Night
Chance of rain
Overnight low:
27°F
Wednesday
Cloudy
High:
35°F
Wednesday Night
Mostly cloudy
Overnight low:
21°F
Thursday
Mostly sunny
High:
35°F