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      Beach Hazard Statement
      until 7:00 AM CDT
      +1 more alert
      Elev 663 ft, 42.124 °N 87.833 °W

      Northbrook, IL

      Northbrook Park Station68°
      Updated: 6:40 AM CDT on September 15, 2026 (GMT -5)
      4 minutes ago
      80°
      65°
      68
      Feels Like 68
      Mostly Cloudy
      N
      7
      Higher 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
        Wed 09/16
        High 80°f
         69% Precip. / 0.3 in
        Thunderstorms, some locally heavy this morning, then cloudy this afternoon. High near 80F. Winds WSW at 10 to 15 mph. Chance of rain 70%.
        Tonight
        Wed 09/16
        Low 63°f
         24% Precip. / 0 in
        Cloudy. A stray shower or thunderstorm is possible. Low 63F. Winds N at 5 to 10 mph.
        Tomorrow
        Wed 09/16
        High 71°f65°f
         23% Precip. / 0 in
        Cloudy. Slight chance of a rain shower. High 71F. Winds NE at 5 to 10 mph.
        Hourly Forecast
        Now
        67°
        7AM
        56%
        67°
        8AM
        55%
        69°
        9AM
        71%
        70°
        10AM
        43%
        71°
        11AM
        73°
        12PM
        75°
        1PM
        77°
        2PM
        78°
        3PM
        79°
        4PM
        79°
        5PM
        79°
        6PM
        77°
        7PM
        33%
        75°
        7:00PM
        Sunset
        8PM
        73°
        9PM
        72°
        10PM
        71°
        11PM
        69°
        12AM
        68°
        1AM
        67°
        2AM
        66°
        3AM
        66°
        4AM
        65°
        5AM
        65°
        6AM
        64°
        Precipitation
        71%
        Thunderstorms possible around 7:30 AM
        Pollen
        None
        Air Quality
        33
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.99 in
        2. Visibility 10 miles
        3. Clouds Mostly Cloudy
        4. Dew Point58°F
        5. Humidity 73%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KPWK Station History
        Almanac for September 15, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 80°F 76°F 90°F 1994
        4. Low 65°F 55°F 39°F 2007
        5. Rain/Snow Depth
        6. Precipitation 0.3 in 3.3 in -
        7. Snow 0 in 0 in -
        Almanac for September 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 71°F 75°F 91°F
        4. Low 65°F 55°F 38°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:31 AM 7:00 PM
        3. Civil Twilight 6:03 AM 7:28 PM
        4. Nautical Twilight 5:30 AM 8:01PM
        5. Astronomical Twilight 4:56 AM 8:35 PM
        1. Length of Visible Light 13h 25m
        2. Length of Day 12h 29m
        3. Tomorrow will be 2 minutes 48 seconds shorter
        1. Moon 11:33 AM 8:52 PM
        2. Waxing Crescent21% 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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