National Weather Service Forecast for: Yankton SD
Issued by: National Weather Service Sioux Falls, SD
Updated: 10:18 pm CST Dec 17, 2025
 
Tonight

Tonight: Rain, mainly before 1am. Low around 28. Breezy, with a west wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Rain and
Breezy

 Thursday

Thursday: A chance of snow before 11am, then a chance of flurries between 11am and 2pm. Cloudy, then gradual clearing during the afternoon, with a temperature falling to around 18 by 3pm. Windy, with a northwest wind 20 to 25 mph increasing to 30 to 35 mph in the morning. Winds could gust as high as 55 mph. Chance of precipitation is 30%.
Windy. Chance
Snow then
Chance
Flurries
 Thursday
Night
Thursday Night: Mostly clear, with a low around 12. Blustery, with a northwest wind 15 to 20 mph becoming west northwest 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Mostly Clear
and Blustery
then Partly
Cloudy
 Friday

Friday: Mostly sunny, with a high near 44. Breezy, with a south southeast wind 10 to 20 mph, with gusts as high as 30 mph.
Partly Sunny
then Mostly
Sunny and
Breezy
 Friday
Night
Friday Night: Mostly cloudy, with a low around 28. South wind around 10 mph becoming north northwest after midnight.
Mostly Cloudy

 Saturday

Saturday: Mostly sunny, with a high near 38. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Mostly Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 21.
Mostly Clear

 Sunday

Sunday: Partly sunny, with a high near 42.
Partly Sunny

 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 30.
Mostly Cloudy
Lo 28 °F Hi 33 °F⇓ Lo 12 °F Hi 44 °F Lo 28 °F Hi 38 °F Lo 21 °F Hi 42 °F Lo 30 °F

Hazardous Weather Outlook
High Wind Warning
 

Tonight
 
 Rain, mainly before 1am. Low around 28. Breezy, with a west wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
 
 A chance of snow before 11am, then a chance of flurries between 11am and 2pm. Cloudy, then gradual clearing during the afternoon, with a temperature falling to around 18 by 3pm. Windy, with a northwest wind 20 to 25 mph increasing to 30 to 35 mph in the morning. Winds could gust as high as 55 mph. Chance of precipitation is 30%.
Thursday Night
 
 Mostly clear, with a low around 12. Blustery, with a northwest wind 15 to 20 mph becoming west northwest 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Friday
 
 Mostly sunny, with a high near 44. Breezy, with a south southeast wind 10 to 20 mph, with gusts as high as 30 mph.
Friday Night
 
 Mostly cloudy, with a low around 28. South wind around 10 mph becoming north northwest after midnight.
Saturday
 
 Mostly sunny, with a high near 38. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
 
 Mostly clear, with a low around 21.
Sunday
 
 Partly sunny, with a high near 42.
Sunday Night
 
 Mostly cloudy, with a low around 30.
Monday
 
 Mostly sunny, with a high near 52.
Monday Night
 
 Partly cloudy, with a low around 30.
Tuesday
 
 Partly sunny, with a high near 44.
Tuesday Night
 
 Mostly cloudy, with a low around 28.
Wednesday
 
 Mostly sunny, with a high near 47.

 

Forecast from NOAA-NWS for Yankton SD.