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      Flood Watch
      until 1:00 PM CDT
      Elev 912 ft, 43.630 °N 88.722 °W

      Waupun, WI

      Waupun Station57°
      Updated: 5:46 PM CDT on September 18, 2026 (GMT -5)
      1 minute ago
      66°
      53°
      57
      Feels Like 57
      Showers in Vicinity
      N
      11
      Gusts 18 mph
      Same 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
        Fri 09/18
        Low 56°f
         100% Precip. / 1.52 in
        Rain and thunderstorms. Low 56F. Winds E at 10 to 15 mph. Chance of rain 100%. 1 to 2 inches of rain expected. Localized flooding is possible.
        Tomorrow
        Sat 09/19
        High 65°f
         69% Precip. / 0.16 in
        Scattered thunderstorms. High around 65F. Winds ESE at 10 to 15 mph. Chance of rain 70%. Localized flooding is possible.
        Tomorrow night
        Sat 09/19
        Low 57°f
         66% Precip. / 0.22 in
        Rain showers early with overcast skies late. Low 57F. Winds NE at 10 to 15 mph. Chance of rain 70%.
        Hourly Forecast
        Now
        59°
        6PM
        98%
        59°
        6:59PM
        Sunset
        7PM
        95%
        58°
        8PM
        98%
        57°
        9PM
        99%
        57°
        10PM
        88%
        57°
        11PM
        59%
        57°
        12AM
        57%
        58°
        1AM
        95%
        58°
        2AM
        91%
        58°
        3AM
        99%
        59°
        4AM
        100%
        59°
        5AM
        95%
        60°
        6AM
        72%
        60°
        6:39AM
        Sunrise
        7AM
        48%
        60°
        8AM
        45%
        60°
        9AM
        44%
        61°
        10AM
        43%
        61°
        11AM
        62°
        12PM
        63°
        1PM
        64°
        2PM
        38%
        64°
        3PM
        50%
        64°
        4PM
        69%
        64°
        5PM
        39%
        64°
        Precipitation
        100%
        Thunderstorms likely to continue
        Pollen
        None
        Air Quality
        22
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.2 in
        2. Visibility 6 miles
        3. Clouds Cloudy
        4. Dew Point56°F
        5. Humidity 89%
        6. Rainfall 0.32 in
        7. Snow Depth 0 in
         KUNU Station History
        Almanac for September 18, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 66°F 71°F 88°F 2018
        4. Low 53°F 49°F 34°F 1973
        5. Rain/Snow Depth
        6. Precipitation 1.52 in 3.2 in -
        7. Snow 0 in 0 in -
        Almanac for September 19, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 65°F 71°F 84°F
        4. Low 53°F 49°F 33°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:37 AM 6:59 PM
        3. Civil Twilight 6:09 AM 7:28 PM
        4. Nautical Twilight 5:35 AM 8:01PM
        5. Astronomical Twilight 5:00 AM 8:36 PM
        1. Length of Visible Light 13h 19m
        2. Length of Day 12h 21m
        3. Tomorrow will be 2 minutes 58 seconds shorter
        1. Moon 2:46 PM 10:58 PM
        2. First Quarter49% 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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