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

47°F

8°C

Humidity 71%
Wind Speed NE 5 mph
Barometer 29.79 in (1009.8 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 30 Mar 1:56 am CDT
Extended Forecast for

Gayville SD

  • Overnight

    Overnight: Mostly clear, with a low around 41. East southeast wind around 5 mph.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 85. East southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers between 3am and 4am. Partly cloudy, with a low around 44. North northwest wind 5 to 15 mph becoming southeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 57. Windy, with a north wind 20 to 30 mph, with gusts as high as 40 mph.

    High: 57 °F

    Mostly Cloudy
    and Windy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 31. East northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Wednesday

    Wednesday: A chance of snow showers before 1pm, then rain and snow showers. High near 42. East northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 42 °F

    Chance Snow
    Showers then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow showers before 10pm, then rain showers between 10pm and 4am, then snow showers after 4am. Low around 29. Chance of precipitation is 90%.

    Low: 29 °F

    Rain/Snow

  • Thursday

    Thursday: Snow showers before 7am, then rain and snow showers likely. High near 41. Chance of precipitation is 80%.

    High: 41 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow showers after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 41. East southeast wind around 5 mph.
Monday
Mostly sunny, with a high near 85. East southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A slight chance of showers between 3am and 4am. Partly cloudy, with a low around 44. North northwest wind 5 to 15 mph becoming southeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Tuesday
Mostly cloudy, with a high near 57. Windy, with a north wind 20 to 30 mph, with gusts as high as 40 mph.
Tuesday Night
A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 31. East northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A chance of snow showers before 1pm, then rain and snow showers. High near 42. East northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday Night
Rain and snow showers before 10pm, then rain showers between 10pm and 4am, then snow showers after 4am. Low around 29. Chance of precipitation is 90%.
Thursday
Snow showers before 7am, then rain and snow showers likely. High near 41. Chance of precipitation is 80%.
Thursday Night
A chance of rain and snow showers after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Friday
Rain and snow showers likely, becoming all rain after 1pm. Mostly cloudy, with a high near 45. Breezy. Chance of precipitation is 60%.
Friday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Saturday
A chance of rain and snow showers. Mostly cloudy, with a high near 45. Breezy. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 24. Blustery.
Sunday
Sunny, with a high near 54.
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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 Mar 30, 2026
Forecast Valid:
2am CDT Mar 30, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation