Harrisburg, SD Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Harrisburg, SD in one place.
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 89. South southeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Local Weather Overview
This forecast page for Harrisburg, SD is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 27, 2026 9:12 PM CDT.
The active forecast window currently covers Aug 29 to Sep 3, 2026 for Harrisburg, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 3, 2026
- Latest sync
- Aug 27, 2026 9:12 PM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Harrisburg
Sunday looks like the warmest upcoming period in Harrisburg at 90 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Saturday at about 10 to 20 mph SSE.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 27, 2026 9:12 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- FSD
- Radar station
- KFSD
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 72. South southeast wind 5 to 10 mph.
Mostly sunny, with a high near 90. South southwest wind 5 to 10 mph.
Partly cloudy, with a low around 70.
Mostly sunny, with a high near 87.
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am. Partly sunny, with a high near 86. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
A chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Chance Showers And Thunderstorms then Mostly Sunny
|
89°F |
10 to 20 mph
SSE
|
|
Saturday Night
Aug 29
|
Partly Cloudy
|
72°F |
5 to 10 mph
SSE
|
|
Sunday
Aug 30
|
Mostly Sunny
|
90°F |
5 to 10 mph
SSW
|
|
Sunday Night
Aug 30
|
Partly Cloudy
|
70°F |
5 to 10 mph
S
|
|
Monday
Aug 31
|
Mostly Sunny
|
87°F |
5 to 10 mph
N
|
|
Monday Night
Aug 31
|
Partly Cloudy then Chance Showers And Thunderstorms
|
66°F |
5 to 10 mph
ESE
|
|
Tuesday
Sep 1
|
Chance Showers And Thunderstorms then Partly Sunny
|
86°F |
5 to 10 mph
SSE
|
|
Tuesday Night
Sep 1
|
Slight Chance Showers And Thunderstorms
|
65°F |
5 to 10 mph
ESE
|
|
Wednesday
Sep 2
|
Chance Showers And Thunderstorms then Mostly Sunny
|
87°F |
5 to 10 mph
SSE
|
|
Wednesday Night
Sep 2
|
Chance Showers And Thunderstorms
|
68°F |
5 to 10 mph
S
|
|
Thursday
Sep 3
|
Slight Chance Showers And Thunderstorms
|
87°F |
5 to 10 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Harrisburg.