National Weather Service Forecast for: Yankton SD
Issued by: National Weather Service Sioux Falls, SD
Updated: 8:02 am CDT Jun 10, 2025
 
Today

Today: Sunny, with a high near 89. South southwest wind 5 to 10 mph.
Sunny

 Tonight

Tonight: Mostly clear, with a low around 61. South southwest wind 5 to 10 mph becoming east northeast after midnight.
Mostly Clear

 Wednesday

Wednesday: A chance of showers and thunderstorms between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 85. East northeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Mostly Sunny
then Showers
Likely
 Wednesday
Night
Wednesday Night: Showers and thunderstorms likely, mainly before 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 61. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Showers
Likely then
T-storms
Likely
 Thursday

Thursday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. East wind 10 to 15 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph.
Chance
T-storms

 Thursday
Night
Thursday Night: Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
T-storms
Likely then
Showers
Likely
 Friday

Friday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83.
Mostly Cloudy
then Chance
T-storms
 Friday
Night
Friday Night: A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Chance
Showers then
Chance
T-storms
 Saturday

Saturday: Partly sunny, with a high near 87.
Partly Sunny
Hi 89 °F Lo 61 °F Hi 85 °F Lo 61 °F Hi 87 °F Lo 63 °F Hi 83 °F Lo 59 °F Hi 87 °F

Hazardous Weather Outlook
 

Today
 
 Sunny, with a high near 89. South southwest wind 5 to 10 mph.
Tonight
 
 Mostly clear, with a low around 61. South southwest wind 5 to 10 mph becoming east northeast after midnight.
Wednesday
 
 A chance of showers and thunderstorms between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 85. East northeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
 Showers and thunderstorms likely, mainly before 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 61. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Thursday
 
 A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. East wind 10 to 15 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
 
 Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday
 
 A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83.
Friday Night
 
 A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Saturday
 
 Partly sunny, with a high near 87.
Saturday Night
 
 A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.
Sunday
 
 A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Sunday Night
 
 A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Monday
 
 A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

 

Forecast from NOAA-NWS for Yankton SD.