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.

Fog/Mist

70°F

21°C

Humidity 100%
Wind Speed S 6 mph
Barometer 29.91 in (1013.2 mb)
Dewpoint 70°F (21°C)
Visibility 5.00 mi
Last update 25 Jul 1:56 am CDT
Extended Forecast for

Volin SD

Extreme Heat Warning July 25, 12:00pm until July 26, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Overnight

    Overnight: Partly cloudy, with a low around 68. South wind around 10 mph.

    Low: 68 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 99. Heat index values as high as 107. South wind around 5 mph becoming west southwest in the afternoon.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: A chance of rain and thunderstorms before 2am, then a chance of showers and thunderstorms, mainly between 2am and 3am. Increasing clouds, with a low around 75. South wind 5 to 10 mph becoming north in the evening. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday

    Sunday: A 10 percent chance of showers and thunderstorms before 7am. Cloudy, then gradual clearing during the afternoon and hot, with a high near 100. Heat index values as high as 109. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 100 °F

    Slight Chance
    T-storms then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 75. South wind 5 to 15 mph becoming west southwest after midnight. Winds could gust as high as 25 mph.

    Low: 75 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Sunny and hot, with a high near 97. North northeast wind 5 to 10 mph.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 68. South wind around 10 mph.
Saturday
Mostly sunny and hot, with a high near 99. Heat index values as high as 107. South wind around 5 mph becoming west southwest in the afternoon.
Saturday Night
A chance of rain and thunderstorms before 2am, then a chance of showers and thunderstorms, mainly between 2am and 3am. Increasing clouds, with a low around 75. South wind 5 to 10 mph becoming north in the evening. Chance of precipitation is 30%.
Sunday
A 10 percent chance of showers and thunderstorms before 7am. Cloudy, then gradual clearing during the afternoon and hot, with a high near 100. Heat index values as high as 109. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 75. South wind 5 to 15 mph becoming west southwest after midnight. Winds could gust as high as 25 mph.
Monday
Sunny and hot, with a high near 97. North northeast wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
Mostly sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Mostly sunny, with a high near 94.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 69.
Friday
Mostly sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Volin SD
 42.97°N 97.16°W (Elev. 1224 ft)
Last Update:
1:38 am CDT Jul 25, 2026
Forecast Valid:
2am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation