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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

3 Miles NE Viborg SD

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

  • 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 97. Heat index values as high as 105. Southwest wind 5 to 10 mph.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: A chance of rain and thunderstorms before 11pm, then a chance of showers and thunderstorms, mainly between 11pm and 4am. Increasing clouds, with a low around 75. South wind around 10 mph becoming west in the evening. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 10 percent chance of showers and thunderstorms before 7am. Cloudy, then gradually becoming mostly sunny and hot, with a high near 99. Heat index values as high as 109. Breezy, with a southwest wind 10 to 15 mph becoming south 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 99 °F

    Slight Chance
    T-storms then
    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 75. South wind 5 to 15 mph becoming west 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 96. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 96 °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 93.

    High: 93 °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 97. Heat index values as high as 105. Southwest wind 5 to 10 mph.
Saturday Night
A chance of rain and thunderstorms before 11pm, then a chance of showers and thunderstorms, mainly between 11pm and 4am. Increasing clouds, with a low around 75. South wind around 10 mph becoming west in the evening. Chance of precipitation is 30%.
Sunday
A 10 percent chance of showers and thunderstorms before 7am. Cloudy, then gradually becoming mostly sunny and hot, with a high near 99. Heat index values as high as 109. Breezy, with a southwest wind 10 to 15 mph becoming south 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 clear, with a low around 75. South wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph.
Monday
Sunny and hot, with a high near 96. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
Mostly sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Mostly sunny, with a high near 94.
Wednesday Night
A 30 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 92.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 70.
Friday
Mostly sunny, with a high near 91.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Viborg SD
 43.21°N 97.02°W (Elev. 1293 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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High Temperature

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Chance of Precipitation