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      Elev 702 ft, 41.253 °N 87.597 °W

      Grant Park, IL

      Grant Park Station74°
      Updated: 2:15 PM CDT on September 18, 2026 (GMT -5)
      6 minutes ago
      72°
      63°
      74
      Feels Like 75
      Cloudy
      N
      8
      Lower temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Today
        Fri 09/18
        High 72°f
         15% Precip. / 0 in
        Cloudy skies. A stray shower or thunderstorm is possible. High 72F. Winds E at 5 to 10 mph.
        Tonight
        Fri 09/18
        Low 62°f
         53% Precip. / 0.09 in
        Partly cloudy skies this evening. Increasing clouds with periods of showers late. Low 62F. Winds ESE at 5 to 10 mph. Chance of rain 50%.
        Tomorrow
        Sat 09/19
        High 76°f65°f
         94% Precip. / 0.34 in
        Thunderstorms likely, especially during the morning. Severe thunderstorms expected. High 76F. Winds SSE at 5 to 10 mph. Chance of rain 90%.
        Hourly Forecast
        Now
        70°
        3PM
        71°
        4PM
        72°
        5PM
        71°
        6PM
        71°
        6:54PM
        Sunset
        7PM
        69°
        8PM
        68°
        9PM
        67°
        10PM
        66°
        11PM
        66°
        12AM
        66°
        1AM
        65°
        2AM
        53%
        65°
        3AM
        48%
        65°
        4AM
        64°
        5AM
        64°
        6AM
        51%
        63°
        6:35AM
        Sunrise
        7AM
        50%
        63°
        8AM
        80%
        64°
        9AM
        87%
        65°
        10AM
        94%
        66°
        11AM
        74%
        66°
        12PM
        50%
        68°
        1PM
        34%
        72°
        2PM
        73°
        Precipitation
        94%
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        29
        Good
        UV Index
        2
        Low
        Additional Conditions
        1. Pressure 30.18 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point64°F
        5. Humidity 80%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KIKK Station History
        Almanac for September 18, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 72°F 76°F 91°F 2018
        4. Low 63°F 52°F 39°F 2009
        5. Rain/Snow Depth
        6. Precipitation 0.09 in 3.2 in -
        7. Snow 0 in 0 in -
        Almanac for September 19, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 77°F 76°F 90°F
        4. Low 63°F 51°F 36°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:34 AM 6:54 PM
        3. Civil Twilight 6:06 AM 7:22 PM
        4. Nautical Twilight 5:34 AM 7:54PM
        5. Astronomical Twilight 5:00 AM 8:27 PM
        1. Length of Visible Light 13h 15m
        2. Length of Day 12h 20m
        3. Tomorrow will be 2 minutes 43 seconds shorter
        1. Moon 2:30 PM 11:04 PM
        2. First Quarter49% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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