Hourly Weather Forecast - O'Fallon, MO

30% Chance Rain Showers

Foggy

Foggy

30% Chance of Light Rain

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

40% Chance Rain Showers

40% Chance Rain Showers

40% Chance Rain Showers

50% Chance Rain Showers

50% 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

Partly Cloudy