Weather in Granite City, Illinois, United States

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7-Day Detailed Weather Forecast for Granite City

Today

Temperature: 101°F

Wind Speed: 6 mph

Wind Direction: SW

Forecast: Sunny, with a high near 101. Heat index values as high as 106. Southwest wind around 6 mph.

Tonight

Temperature: 78°F

Wind Speed: 6 mph

Wind Direction: S

Forecast: Mostly clear, with a low around 78. Heat index values as high as 104. South wind around 6 mph.

Wednesday

Temperature: 102°F

Wind Speed: 5 to 8 mph

Wind Direction: SW

Forecast: Sunny, with a high near 102. Heat index values as high as 106. Southwest wind 5 to 8 mph.

Wednesday Night

Temperature: 81°F

Wind Speed: 3 to 8 mph

Wind Direction: S

Forecast: Mostly clear, with a low around 81. Heat index values as high as 105. South wind 3 to 8 mph.

Thursday

Temperature: 102°F

Wind Speed: 3 to 8 mph

Wind Direction: SW

Forecast: Sunny, with a high near 102. Southwest wind 3 to 8 mph.

Thursday Night

Temperature: 81°F

Wind Speed: 6 mph

Wind Direction: S

Forecast: Mostly clear, with a low around 81.

Friday

Temperature: 102°F

Wind Speed: 2 to 6 mph

Wind Direction: SW

Forecast: Sunny, with a high near 102.

Friday Night

Temperature: 79°F

Wind Speed: 1 to 6 mph

Wind Direction: S

Forecast: Mostly clear, with a low around 79.

Saturday

Temperature: 101°F

Wind Speed: 1 to 5 mph

Wind Direction: W

Forecast: Sunny, with a high near 101.

Saturday Night

Temperature: 76°F

Wind Speed: 1 to 5 mph

Wind Direction: E

Forecast: A slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 76. Chance of precipitation is 20%.

Sunday

Temperature: 98°F

Wind Speed: 1 to 5 mph

Wind Direction: E

Forecast: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98. Chance of precipitation is 20%.

Sunday Night

Temperature: 73°F

Wind Speed: 5 mph

Wind Direction: E

Forecast: A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 73. Chance of precipitation is 20%.

Labor Day

Temperature: 95°F

Wind Speed: 6 mph

Wind Direction: E

Forecast: Mostly sunny, with a high near 95.

Monday Night

Temperature: 73°F

Wind Speed: 7 mph

Wind Direction: SE

Forecast: Partly cloudy, with a low around 73.