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

Hazardous Weather Conditions

Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92°NLon: 97.38°WElev: 1306ft.

Fair

84°F

29°C

Humidity 18%
Wind Speed NW 9 mph
Barometer 29.54 in (1000.7 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 21 Mar 6:56 pm CDT
Extended Forecast for

Gayville SD

Red Flag Warning until March 21, 10:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning until March 21, 10:00pm

    NOW until 10:00pm Sat

    Red Flag Warning

  • Tonight

    Low: 39 °F

    Partly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 54. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 54 °F

    Decreasing
    Clouds and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29. North wind 5 to 15 mph becoming southeast after midnight.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of rain after 1pm. Partly sunny, with a high near 58. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 58 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 68. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 68 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 39. Breezy, with a west northwest wind 10 to 15 mph becoming north northeast 20 to 25 mph in the evening. Winds could gust as high as 40 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 54. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 29. North wind 5 to 15 mph becoming southeast after midnight.
Monday
A 20 percent chance of rain after 1pm. Partly sunny, with a high near 58. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 38. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly cloudy, with a high near 68. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
Partly sunny, with a high near 76.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 63. Breezy.
Thursday Night
Partly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 53.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
Partly sunny, with a high near 56.
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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:
7:23 pm CDT Mar 21, 2026
Forecast Valid:
7pm CDT Mar 21, 2026-6pm CDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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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