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      Elev 673 ft, 41.701 °N 88.214 °W

      Naperville, IL

      Tall Grass Station67°
      Updated: 9:52 PM CDT on September 14, 2026 (GMT -5)
      20 seconds ago
      71°
      49°
      67
      Feels Like 67
      Fair
      N
      10
      Gusts 20 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 65°f
         42% Precip. / 0.04 in
        Mostly clear this evening. Becoming mostly cloudy with showers developing after midnight. Low around 65F. Winds S at 10 to 20 mph. Chance of rain 40%.
        Tomorrow
        Wed 09/16
        High 84°f
         64% Precip. / 0.25 in
        Scattered showers and thunderstorms. Storms may contain strong gusty winds. High 84F. Winds SW at 5 to 10 mph. Chance of rain 60%.
        Tomorrow night
        Wed 09/16
        Low 64°f
         62% Precip. / 0.32 in
        Variably cloudy with scattered thunderstorms. Potential for heavy rainfall. Low 64F. Winds N at 5 to 10 mph. Chance of rain 60%.
        Hourly Forecast
        Now
        67°
        10PM
        67°
        11PM
        67°
        12AM
        67°
        1AM
        68°
        2AM
        68°
        3AM
        68°
        4AM
        68°
        5AM
        40%
        68°
        6AM
        43%
        68°
        6:33AM
        Sunrise
        7AM
        49%
        68°
        8AM
        64%
        70°
        9AM
        57%
        72°
        10AM
        53%
        74°
        11AM
        76°
        12PM
        78°
        1PM
        81°
        2PM
        82°
        3PM
        39%
        83°
        4PM
        82°
        5PM
        35%
        82°
        6PM
        35%
        80°
        7PM
        77°
        7:01PM
        Sunset
        8PM
        34%
        74°
        9PM
        36%
        73°
        Precipitation
        64%
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        32
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.05 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point49°F
        5. Humidity 53%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KLOT Station History
        Almanac for September 15, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 71°F 76°F 103°F 1939
        4. Low 49°F 56°F 36°F 1953
        5. Rain/Snow Depth
        6. Precipitation 0.04 in 3.3 in -
        7. Snow 0 in 0 in -
        Almanac for September 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 84°F 76°F 98°F
        4. Low 49°F 55°F 29°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:33 AM 7:02 PM
        3. Civil Twilight 6:05 AM 7:29 PM
        4. Nautical Twilight 5:32 AM 8:02PM
        5. Astronomical Twilight 4:58 AM 8:36 PM
        1. Length of Visible Light 13h 24m
        2. Length of Day 12h 28m
        3. Tomorrow will be 2 minutes 45 seconds shorter
        1. Moon 11:34 AM 8:55 PM
        2. Waxing Crescent21% 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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