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

60°F

16°C

Humidity 100%
Wind Speed N 5 mph
Barometer 29.84 in (1011.0 mb)
Dewpoint 60°F (16°C)
Visibility 4.00 mi
Last update 18 Jun 4:56 am CDT
Extended Forecast for

Tyndall SD

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 61. North northwest wind around 5 mph.

    Low: 61 °F

    Chance
    T-storms and
    Patchy Fog

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly before 3pm. Patchy fog between 8am and 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. Northwest wind 5 to 10 mph.

    High: 80 °F

    Chance
    T-storms and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 59. North northwest wind around 5 mph becoming southwest after midnight.

    Low: 59 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 93. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 72. South wind around 15 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Chance
    T-storms

  • Friday

    Friday: Sunny and hot, with a high near 100. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 100 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 102. Breezy.

    High: 102 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 80. Breezy.

    Low: 80 °F

    Mostly Clear
    and Breezy

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 61. North northwest wind around 5 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly before 3pm. Patchy fog between 8am and 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. Northwest wind 5 to 10 mph.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 59. North northwest wind around 5 mph becoming southwest after midnight.
Juneteenth
Sunny, with a high near 93. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 72. South wind around 15 mph, with gusts as high as 20 mph.
Friday
Sunny and hot, with a high near 100. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 76.
Saturday
Sunny and hot, with a high near 102. Breezy.
Saturday Night
Mostly clear, with a low around 80. Breezy.
Sunday
Sunny and hot, with a high near 99. Breezy.
Sunday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 66. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tyndall SD
 43°N 97.84°W (Elev. 1398 ft)
Last Update:
4:31 am CDT Jun 18, 2025
Forecast Valid:
5am CDT Jun 18, 2025-6pm CDT Jun 24, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation