Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

Lat: 42.92° N Lon: 97.38° W Elev: 1306 ft.

Fair

82°F

28°C

Humidity 53%
Wind Speed S 14 G 23 mph
Barometer 29.97 in (1015.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 6 Aug 4:56 pm CDT
Detailed forecast for

Yankton County

Tonight
Partly cloudy. A slight chance of showers and thunderstorms after midnight. Warmer with lows in the mid 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.
Friday
Mostly sunny. A slight chance of showers and thunderstorms in the morning. Humid with highs in the upper 80s. Southwest winds 10 to 15 mph, becoming north in the afternoon. Chance of rain 20 percent.
Friday Night
Partly cloudy. Less humid with lows around 60. North winds 5 to 10 mph with gusts up to 20 mph, becoming east after midnight.
Saturday
Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.
Saturday Night
Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Humid with lows in the mid 60s. Southeast winds 10 to 15 mph. Chance of rain 20 percent.
Sunday
Mostly sunny. Highs around 90. Heat index values in the upper 90s in the afternoon.
Sunday Night
Mostly clear with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 60s. Chance of rain 30 percent. Heat index values in the upper 90s early in the evening.
Monday
Partly sunny in the morning, then clearing. Highs around 90.
Monday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s.
Tuesday
Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 80s.
Tuesday Night
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 40 percent.
Wednesday
Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 80s.
Wednesday Night
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers after midnight. Lows in the mid 60s. Chance of rain 40 percent.
Thursday
Mostly cloudy with a chance of showers in the morning, then mostly sunny in the afternoon. Highs in the lower 80s. Chance of rain 40 percent.



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420 PM CDT Thu Aug 6 2026
 
 

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