Weather by town
O'Fallon, IL weather
O'Fallon is in St. Clair County, Illinois (population 29,002). 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, #588 of 976 towns in Illinois. Illinois's Nice Weather rankings
Towns near O'Fallon
- Shiloh, IL, 2 miles south
- Fairview Heights, IL, 4 miles west
- Scott Air Force Base, IL, 5 miles southeast
- Lebanon, IL, 6 miles east
- Swansea, IL, 6 miles southwest
- Belleville, IL, 6 miles southwest
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.
- O'Fallon Township High School District 203
- O'Fallon Community Consolidated School District 90
- Central School District 104
School closings and delays in St. Clair County, when they are listed, are on School Closings.
O'Fallon sits at 38.59° N, 89.91° W. This page adds context to official forecasts. Always follow warnings from the National Weather Service and your local officials.