National Weather Service Forecast for: Sioux Falls SD
Issued by: National Weather Service Sioux Falls, SD
Updated: 5:33 am CST Dec 5, 2025
 
Overnight

Overnight: A 20 percent chance of snow. Cloudy, with a steady temperature around 26. Southwest wind around 5 mph.
Slight Chance
Snow

 Friday

Friday: A slight chance of snow before 7am, then a slight chance of freezing rain between 7am and 10am. Mostly cloudy, with a high near 34. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Slight Chance
Wintry Mix
then Mostly
Cloudy
 Friday
Night
Friday Night: Mostly cloudy, with a low around 15. Northwest wind 5 to 10 mph becoming light and variable after midnight.
Mostly Cloudy

 Saturday

Saturday: Snow, mainly after noon. The snow could be heavy at times. High near 22. Light east southeast wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of around 4 inches.
Chance Snow
then Heavy
Snow
 Saturday
Night
Saturday Night: A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 1. East wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph. New snow accumulation of less than one inch possible.
Chance Snow
then Mostly
Cloudy
 Sunday

Sunday: Partly sunny, with a high near 10. North wind around 5 mph becoming east in the afternoon.
Partly Sunny

 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 2.
Mostly Cloudy

 Monday

Monday: Partly sunny, with a high near 29.
Partly Sunny

 Monday
Night
Monday Night: Mostly cloudy, with a low around 19.
Mostly Cloudy
Lo 26 °F Hi 34 °F Lo 15 °F Hi 22 °F Lo 1 °F Hi 10 °F Lo 2 °F Hi 29 °F Lo 19 °F

Hazardous Weather Outlook
Winter Weather Advisory
 

Overnight
 
 A 20 percent chance of snow. Cloudy, with a steady temperature around 26. Southwest wind around 5 mph.
Friday
 
 A slight chance of snow before 7am, then a slight chance of freezing rain between 7am and 10am. Mostly cloudy, with a high near 34. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Friday Night
 
 Mostly cloudy, with a low around 15. Northwest wind 5 to 10 mph becoming light and variable after midnight.
Saturday
 
 Snow, mainly after noon. The snow could be heavy at times. High near 22. Light east southeast wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of around 4 inches.
Saturday Night
 
 A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 1. East wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph. New snow accumulation of less than one inch possible.
Sunday
 
 Partly sunny, with a high near 10. North wind around 5 mph becoming east in the afternoon.
Sunday Night
 
 Mostly cloudy, with a low around 2.
Monday
 
 Partly sunny, with a high near 29.
Monday Night
 
 Mostly cloudy, with a low around 19.
Tuesday
 
 A 20 percent chance of rain after noon. Mostly cloudy, with a high near 38.
Tuesday Night
 
 A 20 percent chance of rain. Mostly cloudy, with a low around 18.
Wednesday
 
 Mostly cloudy, with a high near 22.
Wednesday Night
 
 Mostly cloudy, with a low around 5.
Thursday
 
 A 20 percent chance of snow. Mostly cloudy, with a high near 22.

 

Forecast from NOAA-NWS for Sioux Falls SD.