Weather by town
O'Fallon, MO weather
O'Fallon is in St. Charles County, Missouri (population 82,809). This page shows the radar around O'Fallon, the weather there right now, the next 24 hours and 10 days, any warning or advisory that covers it, and what our severe storm outlook, snow forecast and Nice Weather rankings say for it.
Nice Weather for O'Fallon
Tuesday, November 10: 72 out of 100, Fair, #27 of 519 towns in Missouri. Missouri's Nice Weather rankings
Towns near O'Fallon
- Dardenne Prairie, MO, 3 miles southwest
- Saint Peters, MO, 4 miles east
- St. Peters, MO, 4 miles southeast
- Saint Paul, MO, 4 miles northwest
- Lake Saint Louis, MO, 5 miles west
- Cottleville, MO, 5 miles southeast
School districts near O'Fallon
Snow Day Radar: Your school's chance of a snow day, delay, or virtual day, for every public school district in the lower 48. Odds, not announcements.
- Fort Zumwalt R-II School District
- Francis Howell R-III School District
- Wentzville R-IV School District
School closings and delays in St. Charles County, when they are listed, are on School Closings.
O'Fallon sits at 38.81° N, 90.70° W. This page adds context to official forecasts. Always follow warnings from the National Weather Service and your local officials.