National Weather Service Forecast for: Yankton SD
Issued by: National Weather Service Sioux Falls, SD
Updated: 8:23 pm CST Feb 2, 2026
 
Tonight

Tonight: A chance of flurries with a slight chance of snow between 2am and 3am, then a slight chance of snow after 3am.  Cloudy, with a low around 20. East northeast wind 5 to 10 mph.  Chance of precipitation is 20%.
Slight Chance
Snow
Tuesday

Tuesday: A chance of flurries before noon.  Mostly cloudy, with a high near 32. Northeast wind around 5 mph becoming calm  in the morning.
Chance
Flurries
Tuesday
Night
Tuesday Night: A 20 percent chance of snow after midnight.  Mostly cloudy, with a low around 22. Calm wind becoming west northwest around 5 mph after midnight.
Mostly Cloudy
then Slight
Chance Snow
Wednesday

Wednesday: Mostly cloudy, with a high near 36. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Mostly Cloudy

Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 24. Light and variable wind becoming southwest 5 to 10 mph in the evening.
Mostly Cloudy

Thursday

Thursday: Sunny, with a high near 53. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunny

Thursday
Night
Thursday Night: Mostly clear, with a low around 30.
Mostly Clear

Friday

Friday: Mostly sunny, with a high near 42.
Mostly Sunny

Friday
Night
Friday Night: Partly cloudy, with a low around 21.
Partly Cloudy

Lo 20 °F Hi 32 °F Lo 22 °F Hi 36 °F Lo 24 °F Hi 53 °F Lo 30 °F Hi 42 °F Lo 21 °F

Hazardous Weather Outlook
 

Tonight
 
A chance of flurries with a slight chance of snow between 2am and 3am, then a slight chance of snow after 3am. Cloudy, with a low around 20. East northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday
 
A chance of flurries before noon. Mostly cloudy, with a high near 32. Northeast wind around 5 mph becoming calm in the morning.
Tuesday Night
 
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 22. Calm wind becoming west northwest around 5 mph after midnight.
Wednesday
 
Mostly cloudy, with a high near 36. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
 
Mostly cloudy, with a low around 24. Light and variable wind becoming southwest 5 to 10 mph in the evening.
Thursday
 
Sunny, with a high near 53. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
 
Mostly clear, with a low around 30.
Friday
 
Mostly sunny, with a high near 42.
Friday Night
 
Partly cloudy, with a low around 21.
Saturday
 
Mostly sunny, with a high near 44.
Saturday Night
 
Partly cloudy, with a low around 23.
Sunday
 
Mostly sunny, with a high near 47.
Sunday Night
 
Partly cloudy, with a low around 28.
Monday
 
Mostly sunny, with a high near 54.

 

Forecast from NOAA-NWS for Yankton SD.