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

40°F

4°C

Humidity 47%
Wind Speed E 7 mph
Barometer 29.88 in (1013.2 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 29 Mar 6:56 am CDT
Extended Forecast for

Gayville SD

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 78. Southeast wind 5 to 10 mph becoming south southwest in the afternoon.

    High: 78 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. North northwest wind around 5 mph becoming south southeast after midnight.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 84. Southeast wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 84 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. Breezy, with an east wind 10 to 20 mph becoming north northwest after midnight. Winds could gust as high as 30 mph.

    Low: 41 °F

    Partly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: A 20 percent chance of showers before 1pm. Cloudy, with a high near 54. Breezy, with a north northwest wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 54 °F

    Slight Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25. Blustery, with a north wind 10 to 20 mph, with gusts as high as 25 mph.

    Low: 25 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain and snow showers before 1am, then a chance of rain showers. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.

    Low: 31 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: A 50 percent chance of showers. Mostly cloudy, with a high near 48. Breezy.

    High: 48 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 78. Southeast wind 5 to 10 mph becoming south southwest in the afternoon.
Tonight
Mostly clear, with a low around 43. North northwest wind around 5 mph becoming south southeast after midnight.
Monday
Increasing clouds, with a high near 84. Southeast wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 41. Breezy, with an east wind 10 to 20 mph becoming north northwest after midnight. Winds could gust as high as 30 mph.
Tuesday
A 20 percent chance of showers before 1pm. Cloudy, with a high near 54. Breezy, with a north northwest wind 20 to 25 mph, with gusts as high as 35 mph.
Tuesday Night
Mostly cloudy, with a low around 25. Blustery, with a north wind 10 to 20 mph, with gusts as high as 25 mph.
Wednesday
Mostly cloudy, with a high near 50.
Wednesday Night
A chance of rain and snow showers before 1am, then a chance of rain showers. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 48. Breezy.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 34. Breezy.
Friday
Showers likely. Mostly cloudy, with a high near 53. Breezy. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 32. Breezy.
Saturday
A 30 percent chance of showers. Mostly cloudy, with a high near 51. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gayville SD
 42.88°N 97.19°W (Elev. 1171 ft)
Last Update:
5:13 am CDT Mar 29, 2026
Forecast Valid:
7am CDT Mar 29, 2026-6pm CDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation