National Weather Service Forecast for: Hartford SD
Issued by: National Weather Service Sioux Falls, SD
Updated: 6:27 am CDT Jun 22, 2026
 
Today

Today: Mostly sunny, with a high near 74. Northeast wind around 5 mph becoming south in the afternoon.
Mostly Sunny

 Tonight

Tonight: A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 57. South southeast wind around 5 mph.
Partly Cloudy
then Slight
Chance
Showers
 Tuesday

Tuesday: Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 76. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely

 Tuesday
Night
Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 56. West southwest wind 5 to 10 mph.
Chance
Showers then
Slight Chance
T-storms
 Wednesday

Wednesday: Sunny, with a high near 75. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Sunny then
Sunny and
Breezy
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 53. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Partly Cloudy

 Thursday

Thursday: Sunny, with a high near 76.
Sunny

 Thursday
Night
Thursday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 55.
Partly Cloudy
then Chance
Showers
 Friday

Friday: A 50 percent chance of showers. Mostly cloudy, with a high near 75.
Chance
Showers
Hi 74 °F Lo 57 °F Hi 76 °F Lo 56 °F Hi 75 °F Lo 53 °F Hi 76 °F Lo 55 °F Hi 75 °F

Hazardous Weather Outlook
 

Today
 
 Mostly sunny, with a high near 74. Northeast wind around 5 mph becoming south in the afternoon.
Tonight
 
 A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 57. South southeast wind around 5 mph.
Tuesday
 
 Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 76. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
 
 A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 56. West southwest wind 5 to 10 mph.
Wednesday
 
 Sunny, with a high near 75. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
 
 Partly cloudy, with a low around 53. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
 
 Sunny, with a high near 76.
Thursday Night
 
 A 30 percent chance of showers after 1am. Partly cloudy, with a low around 55.
Friday
 
 A 50 percent chance of showers. Mostly cloudy, with a high near 75.
Friday Night
 
 A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Saturday
 
 Mostly cloudy, with a high near 82. Breezy.
Saturday Night
 
 A 50 percent chance of showers. Partly cloudy, with a low around 67. Breezy.
Sunday
 
 A 30 percent chance of showers. Partly sunny, with a high near 86. Breezy.

 

Forecast from NOAA-NWS for Hartford SD.