Hourly Weather Forecast - O'Fallon, MO

Clear

Clear

Clear

Clear

Clear

Sunny

Sunny

Sunny

Mostly Sunny

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

30% Chance Rain Showers

30% Chance of Rain

40% Chance of Light Rain