Hourly Weather Forecast - O'Fallon, MO

Thunderstorms

Rain

40% Chance of Rain

40% Chance of Rain

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

30% Chance Rain Showers

30% Chance Rain Showers

30% Chance Rain Showers

30% Chance Rain Showers

Partly Cloudy

Partly Cloudy

Partly Cloudy

Partly Cloudy

Partly Cloudy

Partly Cloudy

Mostly Clear