National Weather Service Forecast for: Sioux Falls SD
Issued by: National Weather Service Sioux Falls, SD
Updated: 3:48 pm CST Dec 23, 2025
 
Tonight

Tonight: Increasing clouds, with a low around 29. East northeast wind 5 to 10 mph becoming south southeast after midnight.
Increasing
Clouds

 Wednesday

Wednesday: Partly sunny, with a high near 45. South southeast wind 5 to 10 mph becoming east in the afternoon.
Partly Sunny

 Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 29. Northeast wind around 5 mph.
Mostly Cloudy

 Christmas
Day
Christmas Day: Cloudy, with a high near 41. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Cloudy

 Thursday
Night
Thursday Night: Cloudy, then gradually becoming partly cloudy, with a low around 33. South southeast wind 5 to 10 mph becoming west northwest after midnight.
Decreasing
Clouds

 Friday

Friday: Partly sunny, with a high near 47. Northwest wind around 5 mph becoming south southeast in the afternoon.
Partly Sunny

 Friday
Night
Friday Night: Mostly cloudy, with a low around 37.
Mostly Cloudy

 Saturday

Saturday: Mostly sunny, with a high near 49.
Mostly Sunny

 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 11. Blustery.
Mostly Cloudy
then Partly
Cloudy and
Blustery
Lo 29 °F Hi 45 °F Lo 29 °F Hi 41 °F Lo 33 °F Hi 47 °F Lo 37 °F Hi 49 °F Lo 11 °F

 

Tonight
 
 Increasing clouds, with a low around 29. East northeast wind 5 to 10 mph becoming south southeast after midnight.
Wednesday
 
 Partly sunny, with a high near 45. South southeast wind 5 to 10 mph becoming east in the afternoon.
Wednesday Night
 
 Mostly cloudy, with a low around 29. Northeast wind around 5 mph.
Christmas Day
 
 Cloudy, with a high near 41. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
 
 Cloudy, then gradually becoming partly cloudy, with a low around 33. South southeast wind 5 to 10 mph becoming west northwest after midnight.
Friday
 
 Partly sunny, with a high near 47. Northwest wind around 5 mph becoming south southeast in the afternoon.
Friday Night
 
 Mostly cloudy, with a low around 37.
Saturday
 
 Mostly sunny, with a high near 49.
Saturday Night
 
 Mostly cloudy, with a low around 11. Blustery.
Sunday
 
 Sunny, with a high near 17. Blustery.
Sunday Night
 
 Mostly clear, with a low around 6.
Monday
 
 Mostly sunny, with a high near 22.
Monday Night
 
 Mostly cloudy, with a low around 14.
Tuesday
 
 Partly sunny, with a high near 38.

 

Forecast from NOAA-NWS for Sioux Falls SD.