New York, NY 10° Los Angeles, CA 19° Chicago, IL 4° Houston, TX 17° Miami, FL 23° Phoenix, AZ 22° Seattle, WA 11° Denver, CO 11° Toronto, ON 2° Vancouver, BC 11°
WeatherLive › Missouri › O'Fallon › 10-Day Forecast

O'Fallon, MO 10-Day Forecast

10-day forecast · O'Fallon

Day-by-day outlook up to 14 days: highs, lows, precipitation totals, wind and UV. Planning further ahead? Open the 30-day outlook →

Day by day — O'Fallon

Detailed view →

Weather map — O'Fallon

O'Fallon →
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 11:35 PM