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      Elev 686 ft, 42.179 °N 87.874 °W

      Riverwoods, IL

      Updated: 4:31 AM CDT on August 20, 2026 (GMT -5)
      3 minutes ago
      77°
      59°
      60
      Feels Like 60
      Partly Cloudy
      N
      3
      Similar temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
      Today
      Fri 08/21
      High 77°f
      2% Precip. / 0 in
      Mainly sunny. High 77F. Winds NE at 5 to 10 mph.
      Tonight
      Fri 08/21
      Low 60°f
      12% Precip. / 0 in
      Some clouds. Low near 60F. Winds light and variable.
      Tomorrow
      Sat 08/22
      High 80°f64°f
      24% Precip. / 0 in
      Sunshine and clouds mixed. A stray shower or thunderstorm is possible. High near 80F. Winds SSW at 5 to 10 mph.
      Hourly Forecast
      Now
      61°
      5AM
      61°
      6AM
      60°
      6:04AM
      Sunrise
      7AM
      61°
      8AM
      67°
      9AM
      71°
      10AM
      74°
      11AM
      74°
      12PM
      75°
      1PM
      75°
      2PM
      76°
      3PM
      76°
      4PM
      76°
      5PM
      75°
      6PM
      75°
      7PM
      73°
      7:44PM
      Sunset
      8PM
      70°
      9PM
      69°
      10PM
      66°
      11PM
      65°
      12AM
      64°
      1AM
      63°
      2AM
      63°
      3AM
      62°
      4AM
      61°
      Additional Conditions
      1. Pressure 29.97 in
      2. Visibility 10 miles
      3. Clouds Partly Cloudy
      4. Dew Point57°F
      5. Humidity 89%
      6. Rainfall 0 in
      7. Snow Depth 0 in
      KPWK Station History
      Almanac for August 20, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 77°F 82°F 97°F 1983
      4. Low 59°F 62°F 49°F 1992
      5. Rain/Snow Depth
      6. Precipitation 0 in 4 in -
      7. Snow 0 in 0 in -
      Almanac for August 21, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 80°F 82°F 95°F
      4. Low 59°F 62°F 50°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 6:04 AM 7:44 PM
      3. Civil Twilight 5:34 AM 8:14 PM
      4. Nautical Twilight 4:58 AM 8:50PM
      5. Astronomical Twilight 4:20 AM 9:28 PM
      1. Length of Visible Light 14h 39m
      2. Length of Day 13h 40m
      3. Tomorrow will be 2 minutes 36 seconds shorter
      1. Moon 2:53 PM 11:32 PM
      2. Waxing Gibbous56% of the Moon is Illuminated
      Aug 27
      Full Moon
      Sep 4
      Waning Half Last Qtr
      Sep 10
      New Moon
      Sep 18
      Waxing Half First Qtr
      Precipitation
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      Weather Alerts
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