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      Elev 686 ft, 42.179 °N 87.874 °W

      Riverwoods, IL

      Updated: 9:46 AM CDT on September 4, 2026 (GMT -5)
      5 minutes ago
      88°
      72°
      78
      Feels Like 81
      Partly Cloudy
      N
      11
      Gusts 20 mph
      Same 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
        Sat 09/05
        High 88°f
        15% Precip. / 0 in
        Sunshine and clouds mixed. A stray shower or thunderstorm is possible. High 88F. Winds SW at 10 to 15 mph.
        Tonight
        Sat 09/05
        Low 71°f
        37% Precip. / 0.12 in
        Scattered thunderstorms early, then partly cloudy after midnight. Storms may contain strong gusty winds. Low 71F. Winds light and variable. Chance of rain 40%.
        Tomorrow
        Sun 09/06
        High 80°f68°f
        24% Precip. / 0 in
        Mainly cloudy. A stray shower or thunderstorm is possible. High near 80F. Winds NE at 10 to 15 mph.
        Hourly Forecast
        Now
        79°
        10AM
        79°
        11AM
        80°
        12PM
        81°
        1PM
        83°
        2PM
        85°
        3PM
        86°
        4PM
        87°
        5PM
        86°
        6PM
        84°
        7PM
        83°
        7:19PM
        Sunset
        8PM
        81°
        9PM
        80°
        10PM
        78°
        11PM
        35%
        76°
        12AM
        37%
        75°
        1AM
        39%
        75°
        2AM
        74°
        3AM
        74°
        4AM
        73°
        5AM
        73°
        6AM
        72°
        6:21AM
        Sunrise
        7AM
        72°
        8AM
        74°
        9AM
        76°
        Additional Conditions
        1. Pressure 29.93 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point72°F
        5. Humidity 79%
        6. Rainfall 0.35 in
        7. Snow Depth 0 in
        KPWK Station History
        Almanac for September 4, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 88°F 79°F 91°F 2015
        4. Low 72°F 59°F 46°F 1982
        5. Rain/Snow Depth
        6. Precipitation 0.12 in 3.6 in -
        7. Snow 0 in 0 in -
        Almanac for September 5, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 80°F 79°F 93°F
        4. Low 72°F 59°F 46°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:20 AM 7:20 PM
        3. Civil Twilight 5:51 AM 7:48 PM
        4. Nautical Twilight 5:17 AM 8:22PM
        5. Astronomical Twilight 4:41 AM 8:58 PM
        1. Length of Visible Light 13h 57m
        2. Length of Day 12h 59m
        3. Tomorrow will be 2 minutes 46 seconds shorter
        1. Moon 11:33 PM 2:59 PM
        2. Last Quarter40% of the Moon is Illuminated
        Sep 4
        Waning Half Last Qtr
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Precipitation
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        Weather Alerts
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