National Weather Service Forecast for: Sioux Falls SD
Issued by: National Weather Service Sioux Falls, SD
Updated: 1:48 am CST Feb 2, 2026
 
Overnight

Overnight: Mostly cloudy, with a low around 20. North wind around 5 mph.
Mostly Cloudy

 Monday

Monday: A 20 percent chance of snow after 4pm. Mostly cloudy, with a high near 30. Calm wind becoming east around 5 mph in the morning.
Mostly Cloudy
then Slight
Chance Snow
 Monday
Night
Monday Night: A chance of snow, mainly before 11pm, then a chance of flurries after 3am. Cloudy, with a low around 15. East wind around 5 mph. Chance of precipitation is 30%.
Chance Snow

 Tuesday

Tuesday: Mostly cloudy, with a high near 29. East northeast wind around 5 mph becoming calm.
Mostly Cloudy

 Tuesday
Night
Tuesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 20. Calm wind becoming northwest around 5 mph after midnight.
Mostly Cloudy
then Slight
Chance Snow
 Wednesday

Wednesday: Mostly cloudy, with a high near 33. North northwest wind 5 to 10 mph.
Mostly Cloudy

 Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 22.
Mostly Cloudy

 Thursday

Thursday: Mostly sunny, with a high near 48.
Mostly Sunny

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 28.
Partly Cloudy
Lo 20 °F Hi 30 °F Lo 15 °F Hi 29 °F Lo 20 °F Hi 33 °F Lo 22 °F Hi 48 °F Lo 28 °F

 

Overnight
 
 Mostly cloudy, with a low around 20. North wind around 5 mph.
Monday
 
 A 20 percent chance of snow after 4pm. Mostly cloudy, with a high near 30. Calm wind becoming east around 5 mph in the morning.
Monday Night
 
 A chance of snow, mainly before 11pm, then a chance of flurries after 3am. Cloudy, with a low around 15. East wind around 5 mph. Chance of precipitation is 30%.
Tuesday
 
 Mostly cloudy, with a high near 29. East northeast wind around 5 mph becoming calm.
Tuesday Night
 
 A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 20. Calm wind becoming northwest around 5 mph after midnight.
Wednesday
 
 Mostly cloudy, with a high near 33. North northwest wind 5 to 10 mph.
Wednesday Night
 
 Mostly cloudy, with a low around 22.
Thursday
 
 Mostly sunny, with a high near 48.
Thursday Night
 
 Partly cloudy, with a low around 28.
Friday
 
 Mostly sunny, with a high near 36.
Friday Night
 
 Partly cloudy, with a low around 18.
Saturday
 
 Mostly sunny, with a high near 39.
Saturday Night
 
 Partly cloudy, with a low around 21.
Sunday
 
 Mostly sunny, with a high near 42.

 

Forecast from NOAA-NWS for Sioux Falls SD.