Current conditions at
Yankton, Chan Gurney Municipal Airport (KYKN)
Lat: 42.92°NLon: 97.38°WElev: 1306ft.
Fair
77°F
25°C
| Humidity | 66% |
| Wind Speed | S 10 mph |
| Barometer | 30.04 in (1017.8 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 6 Aug 12:56 pm CDT |
Extended Forecast for
Yankton SD
This Afternoon
High: 87 °F
Mostly Sunny
Tonight
Low: 66 °F
Partly Cloudy
Friday
High: 89 °F
Slight Chance
T-storms then
Mostly SunnyFriday Night
Low: 60 °F
Partly Cloudy
Saturday
High: 90 °F
Slight Chance
T-stormsSaturday Night
Low: 66 °F
Slight Chance
T-stormsSunday
High: 91 °F
Mostly Sunny
Sunday Night
Low: 69 °F
Chance
T-stormsMonday
High: 91 °F
Partly Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 87. South wind around 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 66. South wind 5 to 15 mph, with gusts as high as 20 mph.
Friday
A 20 percent chance of showers and thunderstorms before 8am. Mostly sunny, with a high near 89. South wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Partly cloudy, with a low around 60. North wind 5 to 10 mph becoming light and variable in the evening.
Saturday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 90. South southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 91.
Sunday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69.
Monday
Partly sunny, with a high near 91.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66.
Tuesday
Mostly cloudy, with a high near 87.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Wednesday
Mostly cloudy, with a high near 86.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Yankton SD
42.86°N 97.4°W (Elev. 1171 ft)
42.86°N 97.4°W (Elev. 1171 ft)
1:33 pm CDT Aug 6, 2026
1pm CDT Aug 6, 2026-6pm CDT Aug 12, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
