7-Day Forecast Summary
7-Day Detailed Weather Forecast for Granite City
Tonight |
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Temperature: 68°F Wind Speed: 5 to 8 mph Wind Direction: W Forecast: A chance of showers and thunderstorms after 11pm. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 68. West wind 5 to 8 mph. Chance of precipitation is 40%. |
Sunday |
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Temperature: 78°F Wind Speed: 10 to 14 mph Wind Direction: NW Forecast: A chance of showers and thunderstorms before 8am. Partly sunny, with a high near 78. Northwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. |
Sunday Night |
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Temperature: 59°F Wind Speed: 1 to 12 mph Wind Direction: NW Forecast: Partly cloudy, with a low around 59. Northwest wind 1 to 12 mph. |
Monday |
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Temperature: 79°F Wind Speed: 0 to 6 mph Wind Direction: NW Forecast: Sunny, with a high near 79. Northwest wind 0 to 6 mph. |
Monday Night |
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Temperature: 61°F Wind Speed: 2 to 6 mph Wind Direction: W Forecast: Mostly clear, with a low around 61. West wind 2 to 6 mph. |
Tuesday |
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Temperature: 84°F Wind Speed: 5 to 12 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%. |
Tuesday Night |
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Temperature: 63°F Wind Speed: 2 to 10 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 30%. |
Wednesday |
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Temperature: 89°F Wind Speed: 3 to 21 mph Wind Direction: S Forecast: A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%. |
Wednesday Night |
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Temperature: 71°F Wind Speed: 14 to 21 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 80%. |
Thursday |
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Temperature: 84°F Wind Speed: 9 to 13 mph Wind Direction: W Forecast: Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 60%. |
Thursday Night |
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Temperature: 64°F Wind Speed: 1 to 8 mph Wind Direction: NW Forecast: A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 64. Chance of precipitation is 40%. |
Juneteenth |
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Temperature: 85°F Wind Speed: 2 to 6 mph Wind Direction: N Forecast: Mostly sunny, with a high near 85. |
Friday Night |
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Temperature: 66°F Wind Speed: 1 to 5 mph Wind Direction: E Forecast: Partly cloudy, with a low around 66. |
Saturday |
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Temperature: 88°F Wind Speed: 2 to 9 mph Wind Direction: S Forecast: Mostly sunny, with a high near 88. |

