My Profile
  1. Member Settings
  2. My Devices
  3. Sign Out
Log In
    Favorites
        More Settings
      Elev 1243 ft, 42.882 °N 97.392 °W

      Yankton, SD

      Chan Gurney Municipal Airport Station57°
      Updated: 5:11 AM CDT on September 21, 2026 (GMT -5)
      9 minutes ago
      59°
      52°
      57
      Feels Like 57
      Cloudy
      N
      7
      Lower 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
        Today
        Tue 09/22
        High 57°f
         67% Precip. / 0.1 in
        Rain early...then remaining cloudy with showers in the afternoon. High 57F. Winds ENE at 10 to 15 mph. Chance of rain 70%.
        Tonight
        Tue 09/22
        Low 52°f
         24% Precip. / 0 in
        Overcast. Low 52F. Winds NE at 5 to 10 mph.
        Tomorrow
        Wed 09/23
        High 61°f55°f
         31% Precip. / 0.01 in
        Showers in the morning, then cloudy in the afternoon. High 61F. Winds E at 10 to 15 mph. Chance of rain 30%.
        Hourly Forecast
        Now
        57°
        6AM
        56°
        7AM
        56°
        7:15AM
        Sunrise
        8AM
        41%
        56°
        9AM
        56%
        56°
        10AM
        59%
        56°
        11AM
        67%
        56°
        12PM
        65%
        56°
        1PM
        57%
        56°
        2PM
        36%
        56°
        3PM
        56°
        4PM
        56°
        5PM
        56°
        6PM
        56°
        7PM
        55°
        7:28PM
        Sunset
        8PM
        55°
        9PM
        54°
        10PM
        53°
        11PM
        53°
        12AM
        53°
        1AM
        54°
        2AM
        54°
        3AM
        54°
        4AM
        55°
        5AM
        54°
        Precipitation
        67%
        Rain likely around 8:00 AM
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        17
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.1 in
        2. Visibility 5 miles
        3. Clouds Cloudy
        4. Dew Point57°F
        5. Humidity 100%
        6. Rainfall 0.19 in
        7. Snow Depth 0 in
         KYKN Station History
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 59°F 76°F 95°F 2005
        4. Low 52°F 50°F 31°F 1962
        5. Rain/Snow Depth
        6. Precipitation 0.1 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 61°F 75°F 97°F
        4. Low 52°F 50°F 30°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:15 AM 7:28 PM
        3. Civil Twilight 6:47 AM 7:56 PM
        4. Nautical Twilight 6:14 AM 8:29PM
        5. Astronomical Twilight 5:40 AM 9:03 PM
        1. Length of Visible Light 13h 9m
        2. Length of Day 12h 12m
        3. Tomorrow will be 2 minutes 54 seconds shorter
        1. Moon 5:16 PM 1:38 AM
        2. Waxing Gibbous77% 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
        Loading…
        Health
        Loading…
        Weather Alerts
        Loading…
        Our AppsAbout UsContactCareersWeather Data APIs
        PWS NetworkWundermap
        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