Hourly Weather Forecast - O'Fallon, IL

Partly Cloudy

Partly Cloudy

Partly Cloudy

Partly Cloudy

Partly Cloudy

Partly Cloudy

Partly Cloudy

Partly Cloudy

Partly Cloudy

Partly Cloudy

30% Chance Rain Showers

30% Chance Rain Showers

30% Chance Rain Showers

40% Chance Rain Showers

50% Chance Rain Showers

80% Chance of Storms

80% Chance of Storms

70% Chance of Storms

70% Chance of Storms

60% Chance of Storms

60% Chance of Storms

50% Chance Rain Showers

40% Chance Rain Showers