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      Elev 886 ft, 41.927 °N 88.745 °W

      DeKalb, IL

      DeKalb Station68°
      Updated: 3:24 PM CDT on September 14, 2026 (GMT -5)
      8 minutes ago
      68°
      46°
      68
      Feels Like 68
      Mostly Cloudy
      N
      13
      Gusts 19 mph
      Higher temperature is expected tomorrow
      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 09/15
        Low 64°f
         77% Precip. / 0.11 in
        Partly cloudy this evening with thunderstorms becoming likely overnight. Storms may contain strong gusty winds. Low 64F. Winds SSE at 15 to 25 mph. Chance of rain 80%.
        Tomorrow
        Wed 09/16
        High 78°f
         79% Precip. / 0.15 in
        Thunderstorms in the morning, then cloudy skies late. High 78F. Winds WSW at 10 to 15 mph. Chance of rain 80%.
        Tomorrow night
        Wed 09/16
        Low 60°f
         24% Precip. / 0 in
        Considerable cloudiness. A stray shower or thunderstorm is possible. Low near 60F. Winds N at 5 to 10 mph.
        Hourly Forecast
        Now
        68°
        4PM
        68°
        5PM
        68°
        6PM
        67°
        7PM
        66°
        7:05PM
        Sunset
        8PM
        66°
        9PM
        65°
        10PM
        65°
        11PM
        66°
        12AM
        66°
        1AM
        66°
        2AM
        67°
        3AM
        67°
        4AM
        68%
        67°
        5AM
        53%
        66°
        6AM
        77%
        66°
        6:35AM
        Sunrise
        7AM
        80%
        66°
        8AM
        79%
        68°
        9AM
        41%
        69°
        10AM
        39%
        72°
        11AM
        31%
        75°
        12PM
        45%
        77°
        1PM
        39%
        77°
        2PM
        77°
        3PM
        77°
        Precipitation
        80%
        Pollen
        None
        Air Quality
        17
        Good
        UV Index
        2
        Low
        Additional Conditions
        1. Pressure 30.21 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point50°F
        5. Humidity 53%
        6. Rainfall 0.01 in
        7. Snow Depth 0 in
         KDKB Station History
        Almanac for September 14, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 68°F 76°F 91°F 2005
        4. Low 46°F 54°F 36°F 1974
        5. Rain/Snow Depth
        6. Precipitation 0.11 in 3.3 in -
        7. Snow 0 in 0 in -
        Almanac for September 15, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 78°F 75°F 90°F
        4. Low 46°F 54°F 35°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:34 AM 7:06 PM
        3. Civil Twilight 6:06 AM 7:34 PM
        4. Nautical Twilight 5:33 AM 8:07PM
        5. Astronomical Twilight 4:58 AM 8:41 PM
        1. Length of Visible Light 13h 27m
        2. Length of Day 12h 31m
        3. Tomorrow will be 2 minutes 46 seconds shorter
        1. Moon 10:29 AM 8:27 PM
        2. Waxing Crescent13% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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