| NWS Forecast for: Yankton County Issued by: National Weather Service Sioux Falls, SD Last Update: 400 PM CST Thu Jan 22 2026 |  |
Tonight: Partly cloudy this evening, then becoming mostly cloudy. Much colder with lows around 13 below. North winds 15 to 20 mph. Wind chill values as low as 33 below. Friday: Partly sunny in the morning, then mostly cloudy with a chance of snow in the afternoon. Much colder with highs around 3 below. North winds 5 to 10 mph. Chance of snow 40 percent. Wind chill values as low as 33 below. Friday Night: Cloudy with a 50 percent chance of snow. Little or no snow accumulation. Cold. Near steady temperature around 4 below. East winds around 5 mph. Saturday: Mostly cloudy with a slight chance of snow in the morning, then partly sunny in the afternoon. Not as cold with highs around 7 above. Southeast winds 5 to 10 mph. Chance of snow 20 percent. Wind chill values as low as 17 below. Saturday Night: Partly cloudy. Cold with lows around 6 below. Southeast winds around 5 mph. Sunday: Partly sunny. Cold with highs around 10 above. Wind chill values as low as 20 below. Sunday Night: Partly cloudy in the evening, then becoming mostly clear. Cold with lows around 10 below. Wind chill values as low as 20 below. Monday: Sunny. Not as cool with highs in the upper 20s. Wind chill values as low as 20 below in the morning. Monday Night: Mostly clear. Not as cold with lows zero to 5 above zero. Tuesday: Mostly sunny. Highs in the lower 20s. Tuesday Night: Mostly cloudy. Cold with lows zero to 5 above zero. Wednesday: Partly sunny. A slight chance of snow in the morning. Highs around 20. Chance of snow 20 percent. Wind chill values as low as 10 below in the morning. Wednesday Night: Mostly cloudy. Cold with lows around zero. Wind chill values as low as 15 below. Thursday: Partly sunny. Cold with highs 10 to 15. Wind chill values as low as 15 below. | |
| Zone Forecast: Yankton County | |
Visit your local NWS office at: https://www.weather.gov/fsd/ |