Nice Weather City Page
O'Fallon, IL Nice Weather
Daily outdoor comfort outlook for O'Fallon, Illinois.
- Today's Nice Weather score: 72/100 (Beautiful)
- National rank: #6287
- Illinois rank: #20
- Best upcoming day: Day 2 at 85/100
- Current Beautiful+ streak: 1 days
Top Illinois Cities Today
- Rockford, IL - 72/100
- Springfield, IL - 72/100
- Peoria, IL - 72/100
- North Peoria, IL - 72/100
- Champaign, IL - 72/100
Use the interactive page for the full 7-day city outlook, share tools, and Nice Weather email alerts.