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      River Flood Warning
      until 5:00 AM CDT
      +4 more alerts
      Elev 676 ft, 42.397 °N 87.896 °W

      Gurnee, IL

      Chittenden Station61°
      Updated: 8:50 AM CDT on September 21, 2026 (GMT -5)
      5 minutes ago
      62°
      57°
      61
      Feels Like 61
      Cloudy
      N
      16
      Gusts 25 mph
      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
        Mon 09/21
        High 61°f
         24% Precip. / 0 in
        Cloudy. Slight chance of a rain shower. High 61F. Winds ENE at 15 to 25 mph.
        Tonight
        Mon 09/21
        Low 55°f
         22% Precip. / 0 in
        Overcast. Low near 55F. Winds ENE at 10 to 15 mph.
        Tomorrow
        Tue 09/22
        High 60°f55°f
         15% Precip. / 0 in
        Cloudy skies early will become partly cloudy later in the day. High around 60F. Winds ENE at 10 to 20 mph.
        Hourly Forecast
        Now
        62°
        9AM
        62°
        10AM
        62°
        11AM
        62°
        12PM
        61°
        1PM
        61°
        2PM
        61°
        3PM
        61°
        4PM
        61°
        5PM
        61°
        6PM
        61°
        6:50PM
        Sunset
        7PM
        60°
        8PM
        60°
        9PM
        60°
        10PM
        60°
        11PM
        59°
        12AM
        58°
        1AM
        58°
        2AM
        57°
        3AM
        57°
        4AM
        57°
        5AM
        56°
        6AM
        56°
        6:39AM
        Sunrise
        7AM
        56°
        8AM
        56°
        Precipitation
        24%
        Pollen
        None
        Air Quality
        22
        Good
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 30.16 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point54°F
        5. Humidity 75%
        6. Rainfall 0.21 in
        7. Snow Depth 0 in
         KUGN Station History
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 62°F 72°F 84°F 1998
        4. Low 57°F 52°F 36°F 1991
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 60°F 72°F 88°F
        4. Low 57°F 51°F 32°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:38 AM 6:50 PM
        3. Civil Twilight 6:09 AM 7:18 PM
        4. Nautical Twilight 5:36 AM 7:51PM
        5. Astronomical Twilight 5:03 AM 8:24 PM
        1. Length of Visible Light 13h 8m
        2. Length of Day 12h 12m
        3. Tomorrow will be 2 minutes 50 seconds shorter
        1. Moon 4:36 PM 1:00 AM
        2. Waxing Gibbous77% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Precipitation
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