National Weather Service Forecast for: Hartford SD
Issued by: National Weather Service Sioux Falls, SD
Updated: 4:48 am CST Dec 5, 2025
 
Overnight

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

Friday: A slight chance of snow and freezing rain before 8am, then a slight chance of snow between 8am and 10am. Cloudy, with a high near 33. West southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Slight Chance
Wintry Mix
then Cloudy
 Friday
Night
Friday Night: Cloudy, then gradually becoming partly cloudy, with a low around 14. Northwest wind 5 to 15 mph becoming east northeast after midnight. Winds could gust as high as 20 mph.
Decreasing
Clouds
 Saturday

Saturday: Snow, mainly after noon. The snow could be heavy at times. High near 22. East southeast wind 5 to 15 mph, with gusts 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 0. North northeast wind 10 to 15 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.
Chance Snow
then Mostly
Cloudy
 Sunday

Sunday: Partly sunny, with a high near 10. North wind 5 to 10 mph becoming east southeast 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 28.
Partly Sunny

 Monday
Night
Monday Night: Mostly cloudy, with a low around 18.
Mostly Cloudy
Lo 26 °F Hi 33 °F Lo 14 °F Hi 22 °F Lo 0 °F Hi 10 °F Lo 2 °F Hi 28 °F Lo 18 °F

Hazardous Weather Outlook
Winter Weather Advisory
 

Overnight
 
 A 20 percent chance of snow. Mostly cloudy, with a steady temperature around 26. Southwest wind around 5 mph.
Friday
 
 A slight chance of snow and freezing rain before 8am, then a slight chance of snow between 8am and 10am. Cloudy, with a high near 33. West southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Friday Night
 
 Cloudy, then gradually becoming partly cloudy, with a low around 14. Northwest wind 5 to 15 mph becoming east northeast after midnight. Winds could gust as high as 20 mph.
Saturday
 
 Snow, mainly after noon. The snow could be heavy at times. High near 22. East southeast wind 5 to 15 mph, with gusts 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 0. North northeast wind 10 to 15 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.
Sunday
 
 Partly sunny, with a high near 10. North wind 5 to 10 mph becoming east southeast in the afternoon.
Sunday Night
 
 Mostly cloudy, with a low around 2.
Monday
 
 Partly sunny, with a high near 28.
Monday Night
 
 Mostly cloudy, with a low around 18.
Tuesday
 
 A 20 percent chance of rain after noon. Mostly cloudy, with a high near 37.
Tuesday Night
 
 A 20 percent chance of rain. Mostly cloudy, with a low around 17.
Wednesday
 
 Mostly cloudy, with a high near 21.
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 Hartford SD.