O'Fallon weather
At 7:15 PM local time it was cloudy and 19°C (66°F). Mostly light, on-and-off rain; heavier around 10 AM (1.6 mm total). O'Fallon sits 170 m (558 ft) above sea level, which keeps it cooler than the coast. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for O'Fallon, Illinois, United States.
Current conditions
- Clouds
- 100%
- Chance of rain
- 3%
- Rain
- 0.0 mm/h
Hourly Forecast
Mostly light, on-and-off rain; heavier around 10 AM (1.6 mm total)
Daily Forecast
About O'Fallon weather
Is it raining in O'Fallon right now?
No. It’s cloudy and 19° right now. Mostly light, on-and-off rain; heavier around 10 AM (1.6 mm total).
What’s the weather like in O'Fallon this week?
Over the next 7 days, expect highs of 13–24° and lows of 11–18°. Rain is likely on 5 of 7 days (Sunday, Tuesday, Wednesday, Thursday, Friday). The driest day looks like Monday.
Has it been raining in O'Fallon lately?
Barely. The past 7 days were mostly dry, with 0.5 mm of rain in total.
What should I pack for O'Fallon?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.