National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Fair

39°F

4°C

Humidity 93%
Wind Speed SE 6 mph
Barometer 29.76 in (1009.6 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 8 Apr 2:56 am CDT
Extended Forecast for

Gayville SD

  • Overnight

    Overnight: A chance of sprinkles after 5am. Mostly clear, with a steady temperature around 42. Southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 42 °F

    Chance
    Sprinkles

  • Wednesday

    Wednesday: A chance of sprinkles before 7am. Mostly sunny, with a high near 64. Breezy, with a west wind 10 to 20 mph becoming south in the morning. Winds could gust as high as 30 mph.

    High: 64 °F

    Chance
    Sprinkles and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 29. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Mostly Clear

  • Thursday

    Thursday: A 50 percent chance of showers after 1pm. Partly sunny, with a high near 55. North wind 5 to 10 mph becoming east in the afternoon.

    High: 55 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of rain showers, mixing with snow after 10pm, then gradually ending. Cloudy during the early evening, then gradual clearing, with a low around 29. North wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain/Snow

  • Friday

    Friday: Sunny, with a high near 60. North wind around 5 mph becoming east in the afternoon.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely. Cloudy, with a high near 67. Breezy. Chance of precipitation is 60%.

    High: 67 °F

    Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely after 1am. Cloudy, with a low around 57. Breezy. Chance of precipitation is 60%.

    Low: 57 °F

    Breezy.
    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
A chance of sprinkles after 5am. Mostly clear, with a steady temperature around 42. Southeast wind around 15 mph, with gusts as high as 25 mph.
Wednesday
A chance of sprinkles before 7am. Mostly sunny, with a high near 64. Breezy, with a west wind 10 to 20 mph becoming south in the morning. Winds could gust as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 29. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
A 50 percent chance of showers after 1pm. Partly sunny, with a high near 55. North wind 5 to 10 mph becoming east in the afternoon.
Thursday Night
A slight chance of rain showers, mixing with snow after 10pm, then gradually ending. Cloudy during the early evening, then gradual clearing, with a low around 29. North wind 5 to 10 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 60. North wind around 5 mph becoming east in the afternoon.
Friday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 41.
Saturday
Showers likely. Cloudy, with a high near 67. Breezy. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms, then showers likely after 1am. Cloudy, with a low around 57. Breezy. Chance of precipitation is 60%.
Sunday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 79. Breezy. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers. Partly cloudy, with a low around 53.
Monday
A 40 percent chance of showers. Mostly sunny, with a high near 75. Breezy.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 32.
Tuesday
A chance of rain and snow showers. Partly sunny, with a high near 49. Breezy. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gayville SD
 42.88°N 97.19°W (Elev. 1171 ft)
Last Update:
1:33 am CDT Apr 8, 2026
Forecast Valid:
3am CDT Apr 8, 2026-6pm CDT Apr 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation