NWS Forecast for Hartford SD

National Weather Service Forecast for: Hartford SD
Issued by: National Weather Service Sioux Falls, SD

Updated: 4:29 am CST Feb 2, 2026

Today Mostly Cloudy then Slight Chance Snow	Tonight Chance Snow	Tuesday Mostly Cloudy	Tuesday Night Mostly Cloudy then Slight Chance Snow	Wednesday Mostly Cloudy	Wednesday Night Mostly Cloudy	Thursday Mostly Sunny	Thursday Night Partly Cloudy	Friday Mostly Sunny
Hi 30 °F	Lo 14 °F	Hi 28 °F	Lo 20 °F	Hi 31 °F	Lo 21 °F	Hi 46 °F	Lo 28 °F	Hi 37 °F

Hazardous Weather Outlook

Today	A 20 percent chance of snow after 4pm. Mostly cloudy, with a high near 30. East northeast wind 5 to 10 mph.
Tonight	A chance of snow between 9pm and 3am, then a chance of flurries after 3am. Cloudy, with a low around 14. Northeast wind 5 to 10 mph. Chance of precipitation is 30%.
Tuesday	Mostly cloudy, with a high near 28. Northeast wind around 5 mph becoming west southwest in the afternoon.
Tuesday Night	A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 20. West northwest wind 5 to 10 mph.
Wednesday	Mostly cloudy, with a high near 31. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night	Mostly cloudy, with a low around 21. West northwest wind 5 to 10 mph becoming south southwest after midnight.
Thursday	Mostly sunny, with a high near 46.
Thursday Night	Partly cloudy, with a low around 28.
Friday	Mostly sunny, with a high near 37.
Friday Night	Partly cloudy, with a low around 18.
Saturday	Mostly sunny, with a high near 37.
Saturday Night	Mostly cloudy, with a low around 21.
Sunday	Mostly sunny, with a high near 44.

Forecast from NOAA-NWS for Hartford SD.