Weather Forecast for
Zip Code 62040 Granite City, IL

Tonight: Scattered showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then scattered showers and thunderstorms after 4am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 67. South wind 5 to 8 mph becoming northwest after midnight. Chance of precipitation is 60%.

Sunday: Isolated showers and thunderstorms before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 78. Northwest wind 13 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

Sunday Night: Partly cloudy, with a low around 57. Northwest wind 5 to 9 mph becoming calm in the evening.

Monday: Sunny, with a high near 79. Calm wind becoming northwest around 6 mph in the afternoon.

Monday Night: Mostly clear, with a low around 60. Light and variable wind.

Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83.

Tuesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 20%.

Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88. Breezy.

Wednesday Night: Showers and possibly a thunderstorm. Low around 71. Breezy. Chance of precipitation is 90%.

Thursday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.

Thursday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.

Juneteenth: Mostly sunny, with a high near 84.

Friday Night: Partly cloudy, with a low around 64.

Saturday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.

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