Granite City, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    63°
    Friday 5/3
    Forecast night icon
    63°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Near steady temperature in the lower 60s. North winds around 5 mph becoming east around 5 mph.
  • Forecast day icon
    Saturday
    50% Chance of Storms
    81°
    Forecast night icon
    Night
    70% Chance of Storms
    62°
    Saturday 5/4
    Day
    81°
    50% Chance of Storms
    Forecast day icon
    Night
    62°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Patchy fog in the morning. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Southeast winds around 5 mph becoming southwest in the afternoon. Chance of rain 50 percent.
    Night Details
    Mostly cloudy. Showers and thunderstorms likely mainly in the evening. Lows in the upper 50s. Northwest winds 5 to 10 mph. Chance of rain 70 percent.
  • Forecast day icon
    Sunday
    50% Chance of Storms
    75°
    Forecast night icon
    Night
    60% Chance of Storms
    64°
    Sunday 5/5
    Day
    75°
    50% Chance of Storms
    Forecast day icon
    Night
    64°
    60% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a slight chance of thunderstorms. A slight chance of showers in the morning then a chance of showers in the afternoon. Highs in the mid 70s. North winds 5 to 10 mph becoming northeast in the afternoon. Chance of rain 50 percent.
    Night Details
    A chance of thunderstorms. Showers likely mainly in the evening. Lows in the lower 60s. East winds 5 to 10 mph. Chance of rain 60 percent.
  • Forecast day icon
    Monday
    70% Chance of Storms
    76°
    Forecast night icon
    Night
    70% Chance of Storms
    67°
    Monday 5/6
    Day
    76°
    70% Chance of Storms
    Forecast day icon
    Night
    67°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny with a chance of thunderstorms. A chance of showers in the morning then showers likely in the afternoon. Highs in the upper 70s. Chance of rain 70 percent.
    Night Details
    Showers likely with a chance of thunderstorms. Lows in the mid 60s. Highs in the mid 80s. Chance of rain 70 percent.
  • Forecast day icon
    Tuesday
    70% Chance of Storms
    81°
    Forecast night icon
    Night
    50% Chance of Storms
    62°
    Tuesday 5/7
    Day
    81°
    70% Chance of Storms
    Forecast day icon
    Night
    62°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Showers likely with a chance of thunderstorms. Lows in the mid 60s. Highs in the mid 80s. Chance of rain 70 percent.
    Night Details
    Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Chance of rain 50 percent.
  • Forecast day icon
    Wednesday
    60% Chance of Storms
    87°
    Forecast night icon
    Night
    50% Chance of Storms
    68°
    Wednesday 5/8
    Day
    87°
    60% Chance of Storms
    Forecast day icon
    Night
    68°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers with a slight chance of thunderstorms in the morning then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 60 percent.
    Night Details
    Partly cloudy with a chance of thunderstorms. A chance of showers. Lows in the lower 60s. Chance of rain 50 percent.
  • Forecast day icon
    Thursday
    30% Chance of Storms
    78°
    Forecast night icon
    Night
    40% Chance Rain Showers
    62°
    Thursday 5/9
    Day
    78°
    30% Chance of Storms
    Forecast day icon
    Night
    62°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 30 percent.
    Night Details
    Partly cloudy. A chance of showers mainly in the evening. Lows in the mid 50s. Chance of rain 40 percent.
  • Forecast day icon
    Friday
    Mostly Sunny
    71°
    Forecast night icon
    Night
    Clear
    55°
    Friday 5/10
    Day
    71°
    Mostly Sunny
    Forecast day icon
    Night
    55°
    Clear
    Forecast night icon
    Day Details
    Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 20 percent.
    Night Details
    Clear. Low temperature around 55F. Dew point will be around 48F with an average humidity of 67%. Winds will be 9 mph from the NW.
  • Forecast day icon
    Saturday
    Mostly Sunny
    66°
    Forecast night icon
    Night
    Partly Cloudy
    52°
    Saturday 5/11
    Day
    66°
    Mostly Sunny
    Forecast day icon
    Night
    52°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 66F. Dew point will be around 47F with an average humidity of 59%. Winds will be 10 mph from the NW.
    Night Details
    Partly cloudy. Low temperature around 52F. Dew point will be around 46F with an average humidity of 67%. Winds will be 9 mph from the NW.
  • Forecast day icon
    Sunday
    Sunny
    67°
    Forecast night icon
    Night
    Clear
    53°
    Sunday 5/12
    Day
    67°
    Sunny
    Forecast day icon
    Night
    53°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 67F. Dew point will be around 46F with an average humidity of 57%. Winds will be 9 mph from the NW.
    Night Details
    Clear. Low temperature around 53F. Dew point will be around 47F with an average humidity of 67%. Winds will be 6 mph from the NW.