10-Day Weather Forecast - Granite City, IL

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  • |34°F
    Mostly Clear
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    Tonight

    34°F

    Mostly clear. Low temperature around 34F. Dew point will be around 29F with an average humidity of 86%. Winds will be 9 mph from the NW.

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  • Day

    54°F

    Sunny. Highs in the mid 50s. West winds 5 to 10 mph becoming southwest 10 to 15 mph this afternoon.

    Night

    48°F

    Mostly clear in the evening then becoming partly cloudy. Not as cool with lows in the mid 40s. South winds 15 to 20 mph with gusts up to 40 mph.

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  • Day

    60°F

    Partly sunny. Highs around 60. West winds 15 to 20 mph with gusts up to 30 mph.

    Night

    40°F

    Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 30s. North winds 5 to 10 mph with gusts up to 20 mph becoming northeast after midnight.

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  • Weekend Weather

  • Day

    62°F

    Partly sunny. Highs in the lower 60s. East winds 10 to 15 mph.

    Night

    55°F

    Mostly cloudy. A slight chance of rain after midnight. Not as cool with lows in the lower 50s. Chance of rain 20 percent.

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  • Day

    67°F

    A slight chance of thunderstorms. Rain breezy with highs in the upper 60s. Temperature falling to around 60 in the afternoon. Chance of rain 90 percent.

    Night

    28°F

    Rain likely a slight chance of thunderstorms and snow in the evening then a chance of snow after midnight. Light snow accumulation possible. Windy and much cooler with lows in the lower 20s. Chance of precipitation 60 percent.

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  • Day

    33°F

    Partly sunny in the morning then clearing. Breezy and much cooler with highs in the lower 30s.

    Night

    20°F

    Mostly clear. Lows around 15.

    Hourly details
  • Day

    41°F

    Partly sunny. Highs around 40.

    Night

    34°F

    Mostly cloudy. A slight chance of rain and snow after midnight. Not as cool with lows around 30. Chance of precipitation 20 percent.

    Hourly details
  • Day

    53°F

    Mostly cloudy in the morning then becoming partly sunny. Not as cool with highs in the upper 50s.

    Night

    38°F

    Clear. Low temperature around 38F. Dew point will be around 34F with an average humidity of 71%. Winds will be 3 mph from the E.

  • Day

    60°F

    Mostly sunny. High temperature around 60F. Dew point will be around 41F with an average humidity of 68%. Winds will be 6 mph from the S.

    Night

    49°F

    Partly cloudy. Low temperature around 49F. Dew point will be around 45F with an average humidity of 71%. Winds will be 7 mph from the S.

  • Day

    70°F

    Partly cloudy. High temperature around 70F. Dew point will be around 51F with an average humidity of 67%. Winds will be 6 mph from the SW.

    Night

    51°F

    Partly cloudy. Low temperature around 51F. Dew point will be around 48F with an average humidity of 67%. Winds will be 2 mph from the S.