National Weather Service Forecast for: Hartford SD
Issued by: National Weather Service Sioux Falls, SD
Updated: 4:53 pm CST Dec 16, 2025
 
Tonight

Tonight: Patchy fog after midnight.  Otherwise, partly cloudy, with a low around 24. Northwest wind 10 to 15 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Partly Cloudy
then Patchy
Fog

Wednesday

Wednesday: Patchy fog before 11am.  Otherwise, increasing clouds, with a high near 45. Breezy, with a south wind 5 to 15 mph increasing to 15 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Breezy.
Patchy Fog
then
Increasing
Clouds
Wednesday
Night
Wednesday Night: Rain, mainly between 9pm and midnight.  Low around 25. Windy, with a south wind 20 to 30 mph becoming west northwest in the evening. Winds could gust as high as 40 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Rain and
Breezy then
Mostly Cloudy
and Windy

Thursday

Thursday: A chance of snow, mainly between 9am and noon, then a chance of flurries after noon.  Partly sunny, with a temperature falling to around 14 by 5pm. Very windy, with a northwest wind 35 to 40 mph decreasing to 25 to 30 mph in the afternoon. Winds could gust as high as 60 mph.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Chance Snow
and Very
Windy then
Chance
Flurries and
Windy
Thursday
Night
Thursday Night: Partly cloudy, with a low around 5. Blustery, with a northwest wind 15 to 20 mph becoming north 5 to 10 mph after midnight. Winds could gust as high as 35 mph.
Mostly Clear
and Blustery
then Partly
Cloudy

Friday

Friday: Partly sunny, with a high near 32. Breezy, with a south southeast wind 10 to 20 mph, with gusts as high as 30 mph.
Partly Sunny
and Breezy


Friday
Night
Friday Night: Mostly cloudy, with a low around 24.
Mostly Cloudy


Saturday

Saturday: Mostly sunny, with a high near 33.
Mostly Sunny


Saturday
Night
Saturday Night: Partly cloudy, with a low around 13.
Partly Cloudy


Lo 24 °F Hi 45 °F Lo 25 °F Hi 29 °F Lo 5 °F Hi 32 °F Lo 24 °F Hi 33 °F Lo 13 °F

Hazardous Weather Outlook
High Wind Watch
 

Tonight
 
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 24. Northwest wind 10 to 15 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Wednesday
 
Patchy fog before 11am. Otherwise, increasing clouds, with a high near 45. Breezy, with a south wind 5 to 15 mph increasing to 15 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Wednesday Night
 
Rain, mainly between 9pm and midnight. Low around 25. Windy, with a south wind 20 to 30 mph becoming west northwest in the evening. Winds could gust as high as 40 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
 
A chance of snow, mainly between 9am and noon, then a chance of flurries after noon. Partly sunny, with a temperature falling to around 14 by 5pm. Very windy, with a northwest wind 35 to 40 mph decreasing to 25 to 30 mph in the afternoon. Winds could gust as high as 60 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Thursday Night
 
Partly cloudy, with a low around 5. Blustery, with a northwest wind 15 to 20 mph becoming north 5 to 10 mph after midnight. Winds could gust as high as 35 mph.
Friday
 
Partly sunny, with a high near 32. Breezy, with a south southeast wind 10 to 20 mph, with gusts as high as 30 mph.
Friday Night
 
Mostly cloudy, with a low around 24.
Saturday
 
Mostly sunny, with a high near 33.
Saturday Night
 
Partly cloudy, with a low around 13.
Sunday
 
A 20 percent chance of snow before noon. Partly sunny, with a high near 29.
Sunday Night
 
Mostly cloudy, with a low around 20.
Monday
 
Partly sunny, with a high near 38.
Monday Night
 
Partly cloudy, with a low around 25.
Tuesday
 
Mostly sunny, with a high near 36.

 

Forecast from NOAA-NWS for Hartford SD.