My Profile
  1. Member Settings
  2. My Devices
  3. Sign Out
Log In
    Favorites
        More Settings
      River Flood Warning
      until 3:30 PM CDT
      +1 more alert
      Elev 679 ft, 42.242 °N 87.854 °W

      Lake Forest, IL

      Downtown Station63°
      Wed, Sep 30, 2026
      Tonight
      Wed 09/30
      Low 62°f
      100% Precip. / 0.17 in
      Showers this evening, becoming a steady rain overnight. Low 62F. Winds light and variable. Chance of rain 100%.
      Tomorrow
      Thu 10/01
      High 69°f
      96% Precip. / 1.19 in
      Rain likely. High 69F. SW winds shifting to NW at 10 to 15 mph. Chance of rain 100%. Rainfall possibly over one inch. Locally heavy rainfall possible.
      Sunrise 6:47 AM
      Sunset 6:34 PM
      Moonrise 8:34 PM
      Moonset 11:37 AM
      Waning Gibbous, 77% visible
      Hourly Forecast
      Now
      63°
      10PM
      63°
      11PM
      52%
      64°
      12AM
      59%
      64°
      1AM
      100%
      64°
      2AM
      100%
      64°
      3AM
      64°
      4AM
      32%
      64°
      5AM
      50%
      64°
      6AM
      60%
      64°
      6:48AM
      Sunrise
      7AM
      69%
      64°
      8AM
      62%
      65°
      9AM
      65%
      66°
      10AM
      81%
      67°
      11AM
      96%
      68°
      12PM
      94%
      68°
      1PM
      94%
      69°
      2PM
      89%
      68°
      3PM
      94%
      67°
      4PM
      92%
      66°
      5PM
      90%
      65°
      6PM
      57%
      64°
      6:33PM
      Sunset
      7PM
      31%
      63°
      8PM
      42%
      62°
      9PM
      48%
      62°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      10:00 pm
      Cloudy
      		 63°F 63°F 24% 0in 92% 63°F 98% 4 mph SW 29.87in
      11:00 pm
      Showers
      		 64°F 64°F 52% 0.01in 93% 63°F 97% 4 mph SW 29.86in
      Additional Conditions
      1. Pressure 29.87 in
      2. Visibility 10 miles
      3. Clouds Cloudy
      4. Dew Point63°F
      5. Humidity 97%
      6. Rainfall 0.47 in
      7. Snow Depth 0 in
       KPWK Station History
      Almanac for September 30, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 68°F 68°F 85°F 1953
      4. Low 59°F 48°F 31°F 1984
      5. Rain/Snow Depth
      6. Precipitation 0.17 in - in -
      7. Snow 0 in - in -
      Almanac for October 1, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 69°F 68°F 89°F
      4. Low 59°F 48°F 31°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 6:47 AM 6:34 PM
      3. Civil Twilight 6:19 AM 7:02 PM
      4. Nautical Twilight 5:46 AM 7:34PM
      5. Astronomical Twilight 5:13 AM 8:07 PM
      1. Length of Visible Light 12h 42m
      2. Length of Day 11h 46m
      3. Tomorrow will be 2 minutes 49 seconds shorter
      1. Moon 8:34 PM 11:37 AM
      2. Waning Gibbous77% of the Moon is Illuminated
      Oct 3
      Waning Half Last Qtr
      Oct 10
      New Moon
      Oct 18
      Waxing Half First Qtr
      Oct 25
      Full Moon
      Nearby Weather Stations
      Station Location
      Temp
      Windchill
      Heat Index
      Dew Point
      Humidity
      Wind
      Precip.
      Elev.
      Updated
      Loading nearby stations…
      Our AppsAbout UsContactCareers
      PWS NetworkWunderMap
      Trust CenterTerms of UsePrivacy PolicyData RightsPrivacy SettingsCookie NoticeData VendorsAccessibility Statement
      Level Access
      The Weather Company The Weather Channel Weather Underground Storm Radar
      © The Weather Company, LLC 2026
      Glossary