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      Flood Watch
      until 7:00 AM CDT
      Elev 794 ft, 42.392 °N 88.346 °W

      Wonder Lake, IL

      Wonder Center Station65°
      Updated: 12:21 AM CDT on September 20, 2026 (GMT -5)
      3 minutes ago
      68°
      65°
      65
      Feels Like 65
      Cloudy
      N
      4
      Similar temperature is expected today
      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
        Sat 09/19
        Low 62°f
         100% Precip. / 0.49 in
        Thunderstorms with locally heavy downpours. Low 62F. Winds NE at 5 to 10 mph. Chance of rain 100%. Locally heavy rainfall possible.
        Tomorrow
        Sun 09/20
        High 65°f
         90% Precip. / 0.36 in
        Rain early...then remaining cloudy with showers in the afternoon. High near 65F. Winds NE at 10 to 20 mph. Chance of rain 90%. Rainfall near a quarter of an inch.
        Tomorrow night
        Sun 09/20
        Low 57°f
         24% Precip. / 0 in
        Cloudy. Low 57F. Winds ENE at 10 to 20 mph.
        Hourly Forecast
        Now
        66°
        1AM
        79%
        66°
        2AM
        92%
        66°
        3AM
        99%
        66°
        4AM
        100%
        65°
        5AM
        100%
        64°
        6AM
        54%
        64°
        6:39AM
        Sunrise
        7AM
        93%
        63°
        8AM
        86%
        63°
        9AM
        88%
        64°
        10AM
        84%
        64°
        11AM
        79%
        64°
        12PM
        72%
        64°
        1PM
        68%
        64°
        2PM
        54%
        64°
        3PM
        37%
        63°
        4PM
        63°
        5PM
        63°
        6PM
        63°
        6:54PM
        Sunset
        7PM
        62°
        8PM
        61°
        9PM
        61°
        10PM
        61°
        11PM
        61°
        12AM
        61°
        Precipitation
        100%
        Thunderstorms likely around 12:45 AM
        Pollen
        None
        Air Quality
        69
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.89 in
        2. Visibility 2.7 miles
        3. Clouds Cloudy
        4. Dew Point65°F
        5. Humidity 97%
        6. Rainfall 2.09 in
        7. Snow Depth 0 in
         KBUU Station History
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 68°F 75°F 88°F 2024
        4. Low 65°F 52°F 31°F 1956
        5. Rain/Snow Depth
        6. Precipitation 0.49 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 67°F 74°F 86°F
        4. Low 65°F 52°F 36°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:38 AM 6:54 PM
        3. Civil Twilight 6:10 AM 7:22 PM
        4. Nautical Twilight 5:37 AM 7:54PM
        5. Astronomical Twilight 5:03 AM 8:28 PM
        1. Length of Visible Light 13h 11m
        2. Length of Day 12h 15m
        3. Tomorrow will be 2 minutes 50 seconds shorter
        1. Moon 4:05 PM 12:00 AM
        2. Waxing Gibbous68% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Precipitation
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