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.

Overcast

67°F

19°C

Humidity 100%
Wind Speed N 3 mph
Barometer 30.14 in (1020.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 30 Jul 5:56 am CDT
Extended Forecast for

Tyndall SD

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 78. North wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 78 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 60. Northeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 78. East wind 5 to 10 mph.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. East southeast wind 5 to 10 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 77. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58. Southeast wind around 10 mph.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.

    High: 79 °F

    Chance
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 78. North wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 60. Northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 78. East wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 57. East southeast wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 77. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 58. Southeast wind around 10 mph.
Saturday
Partly sunny, with a high near 78.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Monday
Partly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tyndall SD
 42.98°N 97.87°W (Elev. 1414 ft)
Last Update:
5:45 am CDT Jul 30, 2025
Forecast Valid:
6am CDT Jul 30, 2025-6pm CDT Aug 5, 2025
 
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