Hourly Weather Forecast - O'Fallon, IL

70% Chance Rain Showers

60% Chance Rain Showers

60% Chance Rain Showers

50% Chance Rain Showers

50% Chance Rain Showers

40% Chance Rain Showers

30% Chance Rain Showers

30% Chance Rain Showers

30% Chance Rain Showers

30% Chance Rain Showers

30% Chance Rain Showers

30% Chance Rain Showers

30% Chance Rain Showers

Mostly Sunny

Mostly Sunny

Partly Cloudy

Partly Cloudy

Mostly Sunny

Mostly Sunny

Mostly Clear

Partly Cloudy

Partly Cloudy

Partly Cloudy