Harrisburg, SD Weather Forecast
Local 7-day forecast
Partly Sunny then Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Harrisburg, SD in one place.
A slight chance of rain showers after 2pm. Partly sunny, with a high near 73. East northeast wind 5 to 10 mph. Chance of precipitation is 20%.
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: Apr 15, 2026 11:02 AM CDT.
The active forecast window currently covers Apr 15 to Apr 21, 2026 for Harrisburg, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 11:02 AM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Harrisburg
Thursday looks like the warmest upcoming period in Harrisburg at 84 degrees F.
Saturday Night is the coolest period ahead with temperatures near 25 degrees F.
The strongest winds are forecast for Friday at about 15 to 25 mph WNW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 11:02 AM CDT
- Coverage
- 7 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
A slight chance of rain showers before 7pm. Mostly clear, with a low around 45. East southeast wind around 5 mph. Chance of precipitation is 20%.
Sunny, with a high near 84. South wind 5 to 20 mph, with gusts as high as 30 mph.
Partly cloudy. Low around 49, with temperatures rising to around 55 overnight. South wind 15 to 20 mph, with gusts as high as 30 mph.
A slight chance of rain showers after 7am. Mostly cloudy. High near 63, with temperatures falling to around 54 in the afternoon. West northwest wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 7pm, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 28. North northwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
A slight chance of snow showers. Mostly sunny, with a high near 47.
A slight chance of snow showers before 7pm. Partly cloudy, with a low around 25.
Sunny, with a high near 59.
Mostly clear, with a low around 35.
Sunny, with a high near 74.
Mostly clear, with a low around 47.
Sunny, with a high near 76.
Mostly clear, with a low around 48.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Apr 15
|
Partly Sunny then Slight Chance Rain Showers
|
73°F |
5 to 10 mph
ENE
|
|
Tonight
Apr 15
|
Slight Chance Rain Showers then Mostly Clear
|
45°F |
5 mph
ESE
|
|
Thursday
Apr 16
|
Sunny
|
84°F |
5 to 20 mph
S
|
|
Thursday Night
Apr 16
|
Partly Cloudy
|
49°F |
15 to 20 mph
S
|
|
Friday
Apr 17
|
Slight Chance Rain Showers
|
63°F |
15 to 25 mph
WNW
|
|
Friday Night
Apr 17
|
Slight Chance Rain Showers then Slight Chance Rain And Snow Showers
|
28°F |
20 to 25 mph
NNW
|
|
Saturday
Apr 18
|
Slight Chance Snow Showers
|
47°F |
20 to 25 mph
NW
|
|
Saturday Night
Apr 18
|
Slight Chance Snow Showers then Partly Cloudy
|
25°F |
5 to 25 mph
WNW
|
|
Sunday
Apr 19
|
Sunny
|
59°F |
5 to 10 mph
WNW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
35°F |
10 mph
ENE
|
|
Monday
Apr 20
|
Sunny
|
74°F |
10 to 20 mph
SSE
|
|
Monday Night
Apr 20
|
Mostly Clear
|
47°F |
15 mph
S
|
|
Tuesday
Apr 21
|
Sunny
|
76°F |
15 mph
WSW
|
|
Tuesday Night
Apr 21
|
Mostly Clear
|
48°F |
10 to 15 mph
ENE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Harrisburg.