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

85°F

29°C

Humidity 59%
Wind Speed SE 7 mph
Barometer 29.94 in (1014.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 14 Jun 7:56 pm CDT
Extended Forecast for

Tyndall SD

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 66. East southeast wind around 5 mph.

    Low: 66 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 88. Southeast wind 5 to 10 mph.

    High: 88 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. South wind 5 to 10 mph.

    Low: 66 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 91. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 91 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 10pm, then showers and thunderstorms likely after 10pm. Increasing clouds, with a low around 65. South wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 65 °F

    T-storms
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Mostly cloudy, with a high near 79. West northwest wind 5 to 10 mph becoming north northeast in the morning. Chance of precipitation is 60%.

    High: 79 °F

    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

    Low: 61 °F

    T-storms
    Likely then
    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 77.

    High: 77 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 66. East southeast wind around 5 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 88. Southeast wind 5 to 10 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. South wind 5 to 10 mph.
Monday
A slight chance of thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 91. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Monday Night
Showers likely and possibly a thunderstorm before 10pm, then showers and thunderstorms likely after 10pm. Increasing clouds, with a low around 65. South wind 5 to 10 mph. Chance of precipitation is 70%.
Tuesday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Mostly cloudy, with a high near 79. West northwest wind 5 to 10 mph becoming north northeast in the morning. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 58.
Juneteenth
Sunny, with a high near 86.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 69.
Saturday
Sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tyndall SD
 42.98°N 97.87°W (Elev. 1414 ft)
Last Update:
7:02 pm CDT Jun 14, 2025
Forecast Valid:
8pm CDT Jun 14, 2025-6pm CDT Jun 21, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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