| National Weather Service Forecast for:
Harrisburg SD Issued by: National Weather Service Sioux Falls, SD |
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| Updated: 12:43 pm CDT Oct 6, 2026 | ||||||||||||||||||
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| This Afternoon |
Sunny, with a high near 83. West northwest wind 5 to 10 mph. |
| Tonight |
Mostly clear, with a low around 52. West northwest wind around 5 mph becoming north after midnight. |
| Wednesday |
Mostly sunny, with a high near 74. Light north northwest wind becoming west northwest 5 to 10 mph in the afternoon. |
| Wednesday Night |
Partly cloudy, with a low around 47. Northwest wind around 5 mph becoming north northeast after midnight. |
| Thursday |
Mostly sunny, with a high near 69. Calm wind becoming southeast around 5 mph in the afternoon. |
| Thursday Night |
Partly cloudy, with a low around 50. Calm wind becoming southeast around 5 mph after midnight. |
| Friday |
Mostly sunny, with a high near 73. |
| Friday Night |
Mostly clear, with a low around 60. |
| Saturday |
Sunny, with a high near 80. Breezy. |
| Saturday Night |
Mostly clear, with a low around 61. |
| Sunday |
Mostly sunny, with a high near 73. Breezy. |
| Sunday Night |
A 30 percent chance of showers. Partly cloudy, with a low around 52. |
| Columbus Day |
A 30 percent chance of showers. Partly sunny, with a high near 60. |
Forecast from NOAA-NWS for Harrisburg SD.
