My Profile
  1. Member Settings
  2. My Devices
  3. Sign Out
Log In
    Favorites
        More Settings
      Severe Thunderstorm Watch
      until 10:00 PM CDT
      Elev 682 ft, 41.632 °N 88.686 °W

      Somonauk, IL

      Somonauk Station
      Updated: 5:08 PM CDT on August 21, 2026 (GMT -5)
      8 minutes ago
      81°
      57°
      77
      Feels Like 78
      Showers in Vicinity
      N
      11
      Gusts 17 mph
      Similar temperature is expected tomorrow
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
      Tonight
      Sat 08/22
      Low 61°f
      99% Precip. / 1.24 in
      Thunderstorms, some heavy this evening, then skies turning partly cloudy after midnight. A few storms may be severe. Low 61F. Winds WSW at 5 to 10 mph. Chance of rain 100%. 1 to 2 inches of rain expected.
      Tomorrow
      Sun 08/23
      High 81°f
      22% Precip. / 0 in
      Sunshine. High 81F. Winds NW at 10 to 15 mph.
      Tomorrow night
      Sun 08/23
      Low 55°f
      7% Precip. / 0 in
      Clear skies. Low around 55F. Winds NW at 5 to 10 mph.
      Hourly Forecast
      Now
      78°
      6PM
      75%
      77°
      7PM
      88%
      75°
      7:45PM
      Sunset
      8PM
      99%
      71°
      9PM
      88%
      69°
      10PM
      54%
      68°
      11PM
      68°
      12AM
      67°
      1AM
      66°
      2AM
      65°
      3AM
      65°
      4AM
      64°
      5AM
      63°
      6AM
      62°
      6:10AM
      Sunrise
      7AM
      63°
      8AM
      65°
      9AM
      68°
      10AM
      72°
      11AM
      74°
      12PM
      77°
      1PM
      79°
      2PM
      80°
      3PM
      79°
      4PM
      79°
      5PM
      79°
      Precipitation
      99%
      Storms continuing through 10 PM
      Pollen
      Grass Pollen
      Low
      Air Quality
      61
      Moderate
      UV Index
      1
      Low
      Additional Conditions
      1. Pressure 29.92 in
      2. Visibility 9 miles
      3. Clouds Partly Cloudy
      4. Dew Point68°F
      5. Humidity 72%
      6. Rainfall 0.03 in
      7. Snow Depth 0 in
       KARR Station History
      Almanac for August 21, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 81°F 81°F 94°F 1983
      4. Low 57°F 61°F 48°F 2004
      5. Rain/Snow Depth
      6. Precipitation 1.24 in 4 in -
      7. Snow 0 in 0 in -
      Almanac for August 22, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 81°F 81°F 97°F
      4. Low 57°F 61°F 46°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 6:09 AM 7:45 PM
      3. Civil Twilight 5:40 AM 8:14 PM
      4. Nautical Twilight 5:04 AM 8:49PM
      5. Astronomical Twilight 4:26 AM 9:27 PM
      1. Length of Visible Light 14h 34m
      2. Length of Day 13h 35m
      3. Tomorrow will be 2 minutes 33 seconds shorter
      1. Moon 3:53 PM -
      2. Waxing Gibbous66% 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
      Loading…
      Health
      Loading…
      Weather Alerts
      Loading…
      Our AppsAbout UsContactCareersWeather Data APIs
      PWS NetworkWundermapFeedback & Support
      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