My Profile
  1. Member Settings
  2. My Devices
  3. Sign Out
Log In
    Favorites
        More Settings
      Beach Hazard Statement
      until 10:00 PM CDT
      +1 more alert
      Elev 208 ft, 42.133 °N 87.865 °W

      Northbrook, IL

      Ancient Tree Station60°
      Updated: 10:10 PM CDT on September 22, 2026 (GMT -5)
      3 minutes ago
      65°
      56°
      60
      Feels Like 60
      Fair
      N
      5
      Similar temperature is expected tomorrow
      Wundermap
      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
        Tonight
        Tue 09/22
        Low 58°f
         12% Precip. / 0 in
        Partly cloudy this evening, then becoming cloudy after midnight. Low 58F. Winds ENE at 5 to 10 mph.
        Tomorrow
        Wed 09/23
        High 64°f
         15% Precip. / 0 in
        Cloudy. High 64F. Winds ENE at 10 to 15 mph.
        Tomorrow night
        Wed 09/23
        Low 58°f
         3% Precip. / 0 in
        Cloudy skies early, then partly cloudy after midnight. Low 58F. Winds E at 5 to 10 mph.
        Hourly Forecast
        Now
        60°
        11PM
        60°
        12AM
        60°
        1AM
        60°
        2AM
        60°
        3AM
        60°
        4AM
        59°
        5AM
        59°
        6AM
        59°
        6:40AM
        Sunrise
        7AM
        59°
        8AM
        59°
        9AM
        60°
        10AM
        61°
        11AM
        63°
        12PM
        63°
        1PM
        63°
        2PM
        63°
        3PM
        64°
        4PM
        64°
        5PM
        64°
        6PM
        63°
        6:46PM
        Sunset
        7PM
        63°
        8PM
        62°
        9PM
        63°
        10PM
        62°
        Precipitation
        15%
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        32
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.33 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point49°F
        5. Humidity 67%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KPWK Station History
        Almanac for September 23, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 65°F 73°F 93°F 2017
        4. Low 56°F 52°F 30°F 1995
        5. Rain/Snow Depth
        6. Precipitation 0 in 3 in -
        7. Snow 0 in 0 in -
        Almanac for September 24, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 64°F 72°F 93°F
        4. Low 56°F 51°F 34°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:40 AM 6:46 PM
        3. Civil Twilight 6:12 AM 7:14 PM
        4. Nautical Twilight 5:39 AM 7:47PM
        5. Astronomical Twilight 5:06 AM 8:20 PM
        1. Length of Visible Light 13h 2m
        2. Length of Day 12h 6m
        3. Tomorrow will be 2 minutes 48 seconds shorter
        1. Moon 5:26 PM 3:13 AM
        2. Waxing Gibbous91% 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
        Nearby Weather Stations
        Station Location
        Temp
        Windchill
        Heat Index
        Dew Point
        Humidity
        Wind
        Precip.
        Elev.
        Updated
        Loading nearby stations…
        Precipitation
        Loading…
        Health
        Loading…
        Weather Alerts
        Loading…
        Our AppsAbout UsContactCareersWeather Data APIs
        PWS NetworkWundermap
        Terms of UsePrivacy PolicyCookie NoticeAccessibility StatementAdChoicesData Vendors
        essentialaccessibility.com
        We recognize our responsibility to use data and technology for good. We may use or share your data with our data vendors. Take control of your data.
        Review All Privacy and Ad Settings
        Choose how my information is shared
        Data Rights
        The Weather Company The Weather Channel Weather Underground Storm Radar
        © The Weather Company, LLC 2026
        Glossary