Monday
Patchy fog
High:
55°F
Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 55. Calm wind becoming south around 5 mph in the afternoon.
Belleville, IL Weather - Tomorrow’s Forecast
Monday Night
Mostly clear
Overnight low:
41°F
Mostly clear, with a low around 41. Southeast wind around 7 mph becoming west after midnight.