Grant Park, Illinois | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    59°
    Friday 5/17
    Forecast night icon
    59°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Patchy fog after midnight. Lows in the upper 50s. South winds around 5 mph.
  • Forecast day icon
    Saturday
    Mostly Sunny
    81°
    Forecast night icon
    Night
    Mostly Clear
    63°
    Saturday 5/18
    Day
    81°
    Mostly Sunny
    Forecast day icon
    Night
    63°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Patchy fog in the morning. Mostly sunny. Warm with highs in the mid 80s. South winds around 5 mph.
    Night Details
    Mostly clear. Lows in the lower 60s. South winds around 5 mph.
  • Forecast day icon
    Sunday
    Partly Cloudy
    85°
    Forecast night icon
    Night
    Partly Cloudy
    67°
    Sunday 5/19
    Day
    85°
    Partly Cloudy
    Forecast day icon
    Night
    67°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Northwest winds around 5 mph becoming south in the afternoon. Chance of precipitation 20 percent.
    Night Details
    Mostly cloudy with a slight chance of showers and thunderstorms in the evening then partly cloudy after midnight. Lows in the mid 60s. Southeast winds 5 to 10 mph. Chance of precipitation 20 percent.
  • Forecast day icon
    Monday
    30% Chance of Storms
    87°
    Forecast night icon
    Night
    50% Chance of Storms
    68°
    Monday 5/20
    Day
    87°
    30% Chance of Storms
    Forecast day icon
    Night
    68°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy in the morning then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of precipitation 30 percent.
    Night Details
    Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. Chance of precipitation 50 percent.
  • Forecast day icon
    Tuesday
    60% Chance of Storms
    87°
    Forecast night icon
    Night
    80% Chance of Storms
    69°
    Tuesday 5/21
    Day
    87°
    60% Chance of Storms
    Forecast day icon
    Night
    69°
    80% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. A chance of showers and thunderstorms in the morning then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of precipitation 60 percent.
    Night Details
    Showers with thunderstorms likely in the evening then showers likely with a chance of thunderstorms after midnight. Lows in the mid 60s. Chance of precipitation 80 percent.
  • Forecast day icon
    Wednesday
    40% Chance Rain Showers
    79°
    Forecast night icon
    Night
    50% Chance Rain Showers
    58°
    Wednesday 5/22
    Day
    79°
    40% Chance Rain Showers
    Forecast day icon
    Night
    58°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. A chance of showers in the afternoon. Highs around 80. Chance of precipitation 40 percent.
    Night Details
    Partly cloudy. A chance of showers in the evening. Lows in the mid 50s. Chance of precipitation 50 percent.
  • Forecast day icon
    Thursday
    Partly Cloudy
    72°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Thursday 5/23
    Day
    72°
    Partly Cloudy
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the lower 70s.
    Night Details
    Partly cloudy. Lows in the lower 50s.
  • Forecast day icon
    Friday
    Partly Cloudy
    73°
    Forecast night icon
    Night
    30% Chance of Rain
    58°
    Friday 5/24
    Day
    73°
    Partly Cloudy
    Forecast day icon
    Night
    58°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy. Highs in the lower 70s.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 58F. Dew point will be around 54F with an average humidity of 78%. Winds will be 4 mph from the SE.
  • Forecast day icon
    Saturday
    40% Chance of Rain
    75°
    Forecast night icon
    Night
    40% Chance of Rain
    60°
    Saturday 5/25
    Day
    75°
    40% Chance of Rain
    Forecast day icon
    Night
    60°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a chance of rain. Chance of precipitation 35%. High temperature around 75F. Dew point will be around 61F with an average humidity of 74%. Winds will be 5 mph from the S.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 60F. Dew point will be around 58F with an average humidity of 81%. Winds will be 3 mph from the S.
  • Forecast day icon
    Sunday
    50% Chance of Rain
    75°
    Forecast night icon
    Night
    50% Chance of Rain
    59°
    Sunday 5/26
    Day
    75°
    50% Chance of Rain
    Forecast day icon
    Night
    59°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 75F. Dew point will be around 63F with an average humidity of 76%. Winds will be 2 mph from the SW.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 59F. Dew point will be around 59F with an average humidity of 82%. Winds will be 1 mph from the S.