Nice Weather City Page
O'Fallon, IL Nice Weather
Daily outdoor comfort outlook for O'Fallon, Illinois.
- Today's Nice Weather score: 50/100 (Nice Weather)
- National rank: #11379
- Illinois rank: #653
- Best upcoming day: Day 6 at 54/100
Top Illinois Cities Today
- Rockford, IL - 72/100
- Elgin, IL - 72/100
- Waukegan, IL - 72/100
- Arlington Heights, IL - 72/100
- Schaumburg, IL - 72/100
Use the interactive page for the full 7-day city outlook, share tools, and Nice Weather email alerts.