Hourly Weather Forecast - Granite City, IL

40% Chance Rain Showers

40% Chance of Light Rain

50% Chance of Light Rain

50% Chance of Rain

60% Chance of Rain

60% Chance of Rain

70% Chance of Rain

80% Chance of Storms

70% Chance of Storms

60% Chance of Storms

60% Chance of Light Rain

60% Chance of Storms

60% Chance of Storms

70% Chance of Storms

70% Chance of Storms

70% Chance of Storms

80% Chance of Storms

Thunderstorms

Thunderstorms

Thunderstorms

70% Chance of Light Rain

40% Chance of Light Rain

Mostly Cloudy