Hourly Weather Forecast - O'Fallon, IL

Partly Cloudy

Partly Cloudy

Mostly Clear

Hazy

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

30% Chance Rain Showers

40% Chance Rain Showers

40% Chance Rain Showers

50% Chance Rain Showers

50% Chance Rain Showers

50% Chance Rain Showers

40% Chance Rain Showers

40% Chance Rain Showers

30% Chance Rain Showers