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 and Breezy

15°F

-9°C

Humidity 67%
Wind Speed NW 23 G 28 mph
Barometer 30.17 in (1025.4 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill-3°F (-19°C)
Last update 18 Jan 5:56 pm CST
Extended Forecast for

Tyndall SD

Winter Weather Advisory January 18, 06:55pm until January 18, 09:00pm
Click here for hazard details and duration
...
  •  
    Winter Weather Advisory January 18, 06:55pm until January 18, 09:00pm

    NOW until 9:00pm Sun

    Winter Weather Advisory

  • Tonight

    Low: -1 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 19. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 19 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 1. Northwest wind around 5 mph becoming south southwest after midnight.

    Low: 1 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon. Increasing clouds, with a high near 29. South wind 5 to 10 mph.

    High: 29 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 14. Southwest wind around 10 mph becoming northwest in the evening.

    Low: 14 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: A 20 percent chance of snow. Partly sunny, with a high near 30. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 30 °F

    Slight Chance
    Snow and
    Blustery

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around -1. Blustery, with a north northwest wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 40 mph.
M.L.King Day
Mostly sunny, with a high near 19. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 1. Northwest wind around 5 mph becoming south southwest after midnight.
Tuesday
A 20 percent chance of snow after noon. Increasing clouds, with a high near 29. South wind 5 to 10 mph.
Tuesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 14. Southwest wind around 10 mph becoming northwest in the evening.
Wednesday
A 20 percent chance of snow. Partly sunny, with a high near 30. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 6.
Thursday
Partly sunny, with a high near 28.
Thursday Night
Mostly cloudy, with a low around 2.
Friday
Mostly cloudy, with a high near 13.
Friday Night
Mostly cloudy, with a low around -6.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 8.
Saturday Night
Mostly cloudy, with a low around -6.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 15.
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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:
4:48 pm CST Jan 18, 2026
Forecast Valid:
6pm CST Jan 18, 2026-6pm CST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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