| NWS Forecast for: Yankton County Issued by: National Weather Service Sioux Falls, SD Last Update: 344 AM CDT Sun Mar 15 2026 | |
Today: Snow, mainly this morning. Blowing snow. Visibility one quarter mile or less at times. Snow accumulation of 2 to 4 inches. Very windy and much cooler with highs in the mid 20s. Temperature falling to around 20 this afternoon. North winds 30 to 40 mph, becoming northwest 40 to 45 mph this afternoon. Gusts up to 60 mph. Chance of snow near 100 percent. Tonight: Mostly cloudy in the evening, then clearing. Blowing snow in the evening, then areas of blowing snow after midnight with visibility one quarter mile or less at times. Very windy and much colder with lows around zero. Northwest winds 30 to 40 mph with gusts up to 55 mph, diminishing to 20 to 30 mph with gusts up to 45 mph after midnight. Wind chill values as low as 22 below. Monday: Sunny. Patchy blowing snow. Breezy with highs around 17. Northwest winds 15 to 25 mph with gusts up to 35 mph. Wind chill values as low as 23 below. Monday Night: Partly cloudy in the evening, then becoming mostly cloudy. Cold with lows around 2 above. North winds 10 to 15 mph, becoming east 5 to 10 mph after midnight. Wind chill values as low as 10 below. Tuesday: Cloudy. A chance of rain, snow, sleet with a slight chance of freezing rain in the afternoon. Little or no snow accumulation. Not as cool with highs around 40. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 30 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 around 30. Wednesday: Partly sunny. Not as cool with highs in the lower 60s. Wednesday Night: Partly cloudy. Lows in the upper 30s. Thursday: Sunny. Highs in the lower 70s. Thursday Night: Partly cloudy. Lows in the lower 40s. Friday: Mostly sunny. Highs in the mid 70s. Friday Night: Mostly cloudy. Lows around 40. Saturday: Partly sunny. Highs around 70. | |
| Zone Forecast: Yankton County | |
Visit your local NWS office at: https://www.weather.gov/fsd/ |