Hazardous Weather Conditions
Current conditions at
Yankton, Chan Gurney Municipal Airport (KYKN)
Lat: 42.92°NLon: 97.38°WElev: 1306ft.
Fair
82°F
28°C
| Humidity | 55% |
| Wind Speed | S 20 mph |
| Barometer | 30.09 in (1019.4 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Heat Index | 84°F (29°C) |
| Last update | 17 Aug 12:56 pm CDT |
Extended Forecast for
Yankton SD
This Afternoon

High: 85 °F
Mostly Sunny
Tonight

Low: 64 °F
Chance
T-stormsTuesday
High: 81 °F
Slight Chance
T-storms then
Mostly SunnyTuesday Night

Low: 61 °F
Becoming
CloudyWednesday
High: 78 °F
Slight Chance
T-storms then
Showers
LikelyWednesday Night
Low: 59 °F
Chance
T-storms then
Chance
ShowersThursday

High: 83 °F
Sunny
Thursday Night

Low: 63 °F
Mostly Clear
Friday

High: 85 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 85. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 10pm. Mostly cloudy, with a low around 64. South southwest wind 5 to 10 mph.
Tuesday
A 20 percent chance of showers and thunderstorms before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 81. Southeast wind around 5 mph becoming west northwest in the afternoon.
Tuesday Night
Partly cloudy during the early evening, then becoming cloudy, with a low around 61. North wind around 5 mph becoming calm.
Wednesday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Partly cloudy, with a low around 59. South southeast wind around 5 mph. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 63.
Friday
Mostly sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Partly sunny, with a high near 78.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Yankton SD
42.88°N 97.4°W (Elev. 1204 ft)
42.88°N 97.4°W (Elev. 1204 ft)
1:33 pm CDT Aug 17, 2026
1pm CDT Aug 17, 2026-6pm CDT Aug 23, 2026



