National Weather Service Forecast for: Harrisburg SD
Issued by: National Weather Service Sioux Falls, SD
Updated: 3:31 am CDT Jun 2, 2025
 
Today

Today: A slight chance of showers and thunderstorms, then showers likely after 4pm. Some of the storms could produce heavy rainfall.  Mostly sunny, with a high near 91. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Breezy. Sunny
then Heavy
Rain
Tonight

Tonight: Showers and thunderstorms. Some of the storms could produce heavy rainfall.  Areas of smoke before midnight, then areas of smoke after 1am. Low around 53. South southwest wind around 15 mph becoming north after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Heavy Rain

Tuesday

Tuesday: Showers likely, mainly before 1pm.  Mostly cloudy, with a high near 71. North wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Showers
Likely then
Chance
Showers
Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 48. North northwest wind 5 to 10 mph.
Partly Cloudy

Wednesday

Wednesday: Mostly sunny, with a high near 75. North wind around 5 mph becoming south in the afternoon.
Mostly Sunny

Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 53. North wind around 5 mph becoming east southeast after midnight.
Mostly Cloudy

Thursday

Thursday: A 30 percent chance of showers after 1pm.  Mostly cloudy, with a high near 74.
Mostly Cloudy
then Chance
Showers
Thursday
Night
Thursday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 55.
Chance
Showers

Friday

Friday: A 40 percent chance of showers after 1pm.  Partly sunny, with a high near 74.
Partly Sunny
then Chance
Showers
Hi 91 °F Lo 53 °F Hi 71 °F Lo 48 °F Hi 75 °F Lo 53 °F Hi 74 °F Lo 55 °F Hi 74 °F

Hazardous Weather Outlook
 

Today
 
A slight chance of showers and thunderstorms, then showers likely after 4pm. Some of the storms could produce heavy rainfall. Mostly sunny, with a high near 91. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Tonight
 
Showers and thunderstorms. Some of the storms could produce heavy rainfall. Areas of smoke before midnight, then areas of smoke after 1am. Low around 53. South southwest wind around 15 mph becoming north after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Tuesday
 
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 71. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
 
Partly cloudy, with a low around 48. North northwest wind 5 to 10 mph.
Wednesday
 
Mostly sunny, with a high near 75. North wind around 5 mph becoming south in the afternoon.
Wednesday Night
 
Mostly cloudy, with a low around 53. North wind around 5 mph becoming east southeast after midnight.
Thursday
 
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 74.
Thursday Night
 
A 40 percent chance of showers. Mostly cloudy, with a low around 55.
Friday
 
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 74.
Friday Night
 
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 55.
Saturday
 
A 40 percent chance of showers. Partly sunny, with a high near 79.
Saturday Night
 
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Sunday
 
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.

 

Forecast from NOAA-NWS for Harrisburg SD.