O'Fallon
Illinois, United States
- Population
- 29,002
- Timezone
- CDT · UTC-5
- Coordinates
- 38.5923° N, 89.9112° W
- IANA
- America/Chicago
- Daylight saving
- Observed
Today's Weather
Full forecast →
23°
Sunny
14° / 26°
High · Low
Today's Sun
Full sun forecast →05:49
Sunrise
20:02
Sunset