Granite City, IL

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Weather Forecast for Granite City

This Afternoon

Scattered showers and thunderstorms. Mostly cloudy, with a high near 91. South wind 6 to 9 mph. Chance of precipitation is 50%.

Tonight

A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening.

Monday

A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy through mid morning, then becoming sunny, with a high near 92. Heat index values as high as 102. Calm wind.

Monday Night

Partly cloudy, with a low around 76. Calm wind.

Tuesday

Mostly sunny and hot, with a high near 97. Calm wind.

Tuesday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.

Wednesday

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 92.

Wednesday Night

A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72.

Thursday

A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 86.

Thursday Night

Mostly cloudy, with a low around 67.

Friday

Mostly sunny, with a high near 86.

Friday Night

Partly cloudy, with a low around 67.

Saturday

Mostly sunny, with a high near 88.