National Weather Service Forecast for: Harrisburg SD
Issued by: National Weather Service Sioux Falls, SD
Updated: 6:38 pm CST Dec 17, 2025
 
Tonight

Tonight: Rain, mainly before midnight. Low around 25. Breezy, with a south wind 20 to 25 mph becoming west northwest in the evening. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Breezy. Rain
then Chance
Rain
 Thursday

Thursday: A chance of snow or flurries before 3pm, then a chance of flurries between 3pm and 5pm. Mostly cloudy, with a temperature falling to around 11 by 3pm. Very windy, with a northwest wind 25 to 30 mph increasing to 35 to 40 mph in the morning. Winds could gust as high as 55 mph. Chance of precipitation is 30%.
Chance Snow
and Very
Windy
 Thursday
Night
Thursday Night: Mostly clear, with a low around 6. Blustery, with a northwest wind 15 to 25 mph becoming west northwest 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 5 to 10 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 30 mph.
Partly Sunny
then Partly
Sunny and
Breezy
 Friday
Night
Friday Night: Mostly cloudy, with a low around 25. South southeast wind 5 to 10 mph becoming north northwest after midnight.
Mostly Cloudy

 Saturday

Saturday: Mostly sunny, with a high near 34. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Mostly Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 15.
Mostly Clear

 Sunday

Sunday: Partly sunny, with a high near 35.
Partly Sunny

 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 26.
Mostly Cloudy
Lo 25 °F Hi 29 °F⇓ Lo 6 °F Hi 32 °F Lo 25 °F Hi 34 °F Lo 15 °F Hi 35 °F Lo 26 °F

Hazardous Weather Outlook
High Wind Warning
 

Tonight
 
 Rain, mainly before midnight. Low around 25. Breezy, with a south wind 20 to 25 mph becoming west northwest in the evening. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
 
 A chance of snow or flurries before 3pm, then a chance of flurries between 3pm and 5pm. Mostly cloudy, with a temperature falling to around 11 by 3pm. Very windy, with a northwest wind 25 to 30 mph increasing to 35 to 40 mph in the morning. Winds could gust as high as 55 mph. Chance of precipitation is 30%.
Thursday Night
 
 Mostly clear, with a low around 6. Blustery, with a northwest wind 15 to 25 mph becoming west northwest 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 5 to 10 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 30 mph.
Friday Night
 
 Mostly cloudy, with a low around 25. South southeast wind 5 to 10 mph becoming north northwest after midnight.
Saturday
 
 Mostly sunny, with a high near 34. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
 
 Mostly clear, with a low around 15.
Sunday
 
 Partly sunny, with a high near 35.
Sunday Night
 
 Mostly cloudy, with a low around 26.
Monday
 
 Mostly sunny, with a high near 43.
Monday Night
 
 Partly cloudy, with a low around 28.
Tuesday
 
 Partly sunny, with a high near 38.
Tuesday Night
 
 Mostly cloudy, with a low around 24.
Wednesday
 
 Partly sunny, with a high near 39.

 

Forecast from NOAA-NWS for Harrisburg SD.