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Weather for Granite City, ILGranite City, IL Weather & Current Conditions

62040 Weather (Granite City, IL)

Granite City, IL WeatherCurrent Conditions and Weather for Granite City, Illinois
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Clear at Granite City (62040), temperature is 40°F4°C, dew point 40°F4°C, humidity 100%. Wind direction is N at 0 mphat 0 km/h with visibility of 10 mi16 km. Barometric pressure is 30.09 in1019 mb. Last update: 9:42 am.*
*Time is approximately 9:42 am Tue, Nov 10, 2026. Time will be within 15 minutes of current local time. Granite City weather forecast data is updated every 15 minutes.

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They say rain rain go away come again another day but it don’t work. ―Eric Dodson, Student, Wolfe City ISD
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Granite City IL Weather - 10:42 am

Granite City Weather Forecast

Weather forecast for: Granite City IL
Last Update: 7:51 am CST Nov 10, 2026
Today: Sunny, with a high near 71. West wind around 6 mph becoming calm in the afternoon.
Tonight: Increasing clouds, with a low around 47. Light and variable wind.
Veterans Day: Mostly cloudy, then gradually becoming sunny, with a high near 69. South wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.
Wednesday Night: Partly cloudy, with a low around 42. Northwest wind 11 to 14 mph, with gusts as high as 23 mph.
Thursday: A chance of sprinkles after noon. Partly sunny, with a high near 52. Northwest wind 11 to 15 mph.
Thursday Night: Mostly clear, with a low around 32.
Friday: Sunny, with a high near 47.
Friday Night: Mostly clear, with a low around 28.
Saturday: Sunny, with a high near 50.
Saturday Night: Mostly clear, with a low around 31.
Sunday: Mostly sunny, with a high near 54.
Sunday Night: Partly cloudy, with a low around 36.
Monday: Mostly sunny, with a high near 58.

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