7-Day Zone Forecast for Yankton County (Text-Only)
NWS Forecast for: Yankton County
Issued by: National Weather Service Sioux Falls, SD
Last Update: 1230 PM CST Thu Jan 22 2026




This Afternoon: Partly sunny. Much cooler with highs around 19. Temperature falling to around 12. Northwest winds 15 to 20 mph with gusts up to 30 mph. Wind chill values as low as 10 below.

Tonight: Partly cloudy in the evening, then becoming mostly cloudy. Much colder with lows around 13 below. North winds 10 to 15 mph with gusts up to 25 mph. Wind chill values as low as 31 below.

Friday: Partly sunny in the morning, then mostly cloudy with a chance of snow in the afternoon. Much colder with highs around 2 below. North winds 5 to 10 mph. Chance of snow 30 percent. Wind chill values as low as 31 below.

Friday Night: Cloudy. A chance of snow, mainly in the evening. Little or no snow accumulation. Cold. Near steady temperature around 4 below. East winds around 5 mph. Chance of snow 40 percent.

Saturday: Mostly cloudy in the morning, then becoming partly sunny. Not as cold with highs around 8 above. South winds 5 to 10 mph. Wind chill values as low as 19 below.

Saturday Night: Partly cloudy. Cold with lows 5 below to zero.

Sunday: Mostly sunny. Cold with highs around 10 above. Wind chill values as low as 15 below.

Sunday Night: Partly cloudy in the evening, then becoming mostly clear. Cold with lows 5 below to 10 below zero. Wind chill values as low as 20 below.

Monday: Sunny. Not as cool with highs in the mid 20s. Wind chill values as low as 15 below in the morning.

Monday Night: Mostly clear in the evening, then becoming partly cloudy. Not as cold with lows around 10 above.

Tuesday: Mostly sunny. Highs in the mid 20s.

Tuesday Night: Partly cloudy. Cold with lows 5 to 10 above.

Wednesday: Partly sunny. Highs in the lower 20s.







Zone Forecast: Yankton County

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