Current conditions at

Yankton, Chan Gurney Municipal Airport (KYKN)

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

Overcast

37°F

3°C

Humidity 42%
Wind Speed NE 7 mph
Barometer 30.05 in (1020.4 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 13 Mar 7:56 pm CDT
Detailed forecast for

Knox County

Tonight
Mostly cloudy with a chance of snow showers. A chance of rain showers with a slight chance of freezing rain after midnight. Lows in the mid 20s. East winds 5 to 10 mph. Chance of precipitation 40 percent.
Saturday
Mostly sunny. Not as cool with highs in the mid 50s. Southeast winds 15 to 20 mph with gusts up to 30 mph.
Saturday Night
Cloudy. A chance of rain showers in the evening, then snow showers, rain showers likely with a slight chance of sleet after midnight. Patchy blowing snow after midnight. Little or no snow and sleet accumulation. Windy with lows in the lower 20s. Southeast winds 15 to 20 mph with gusts up to 30 mph, becoming northeast 20 to 30 mph with gusts up to 40 mph after midnight. Chance of precipitation 70 percent.
Sunday
Snow showers. Blowing snow. Visibility one quarter mile or less at times. Light snow accumulation. Very windy and much cooler with highs in the lower 30s. North winds 30 to 40 mph with gusts up to 55 mph. Chance of snow 90 percent.
Sunday Night
Partly cloudy. A chance of snow showers in the evening. Patchy blowing snow. Visibility one quarter mile or less at times in the evening. Little or no additional snow accumulation. Very windy and much colder with lows around 3 above. Northwest winds 25 to 35 mph with gusts up to 50 mph, diminishing to 15 to 25 mph with gusts up to 40 mph after midnight. Chance of snow 50 percent. Wind chill values as low as 18 below.
Monday
Sunny. Highs in the lower 20s. Wind chill values as low as 20 below in the morning.
Monday Night
Partly cloudy in the evening, then becoming mostly cloudy. Cold with lows 5 to 10 above. Wind chill values as low as 5 below after midnight.
Tuesday
Mostly cloudy. A slight chance of rain and snow in the afternoon. Not as cool with highs in the upper 40s. Chance of precipitation 20 percent. Wind chill values as low as 10 below in the morning.
Tuesday Night
Mostly cloudy in the evening, then becoming partly cloudy. Not as cool with lows in the mid 30s.
Wednesday
Sunny. Much warmer with highs in the upper 60s.
Wednesday Night
Partly cloudy in the evening, then clearing. Lows in the lower 40s.
Thursday
Sunny. Highs in the mid 70s.
Thursday Night
Partly cloudy. Lows around 40.
Friday
Mostly sunny. Highs in the mid 70s.



Basemap Options
Click map to change the forecast location
Loading map...
733 PM CDT Fri Mar 13 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database