Harrison, SD Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Harrison, SD in one place.
Mostly sunny. High near 82, with temperatures falling to around 78 in the afternoon. West northwest wind 15 to 40 mph, with gusts as high as 55 mph.
Local Weather Overview
This forecast page for Harrison, 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: Jun 15, 2026 11:54 PM CDT.
The active forecast window currently covers Jun 17 to Jun 22, 2026 for Harrison, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 17 to Jun 22, 2026
- Latest sync
- Jun 15, 2026 11:54 PM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Harrison
Juneteenth looks like the warmest upcoming period in Harrison at 85 degrees F.
Thursday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Wednesday at about 15 to 40 mph WNW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 15, 2026 11:54 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 52. Northwest wind 15 to 35 mph, with gusts as high as 50 mph.
Mostly sunny, with a high near 77. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Mostly clear, with a low around 51.
Sunny, with a high near 85.
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 57. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 78. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 55. Chance of precipitation is 40%.
A slight chance of rain showers. Partly sunny, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 17
|
Mostly Sunny
|
82°F |
15 to 40 mph
WNW
|
|
Wednesday Night
Jun 17
|
Partly Cloudy
|
52°F |
15 to 35 mph
NW
|
|
Thursday
Jun 18
|
Mostly Sunny
|
77°F |
15 to 20 mph
NW
|
|
Thursday Night
Jun 18
|
Mostly Clear
|
51°F |
5 to 15 mph
NNE
|
|
Juneteenth
Jun 19
|
Sunny
|
85°F |
5 to 10 mph
W
|
|
Friday Night
Jun 19
|
Slight Chance Showers And Thunderstorms
|
57°F |
10 mph
NE
|
|
Saturday
Jun 20
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
84°F |
10 to 15 mph
E
|
|
Saturday Night
Jun 20
|
Chance Showers And Thunderstorms
|
57°F |
10 to 15 mph
E
|
|
Sunday
Jun 21
|
Chance Showers And Thunderstorms
|
78°F |
10 to 15 mph
ENE
|
|
Sunday Night
Jun 21
|
Chance Showers And Thunderstorms
|
55°F |
5 to 15 mph
NNE
|
|
Monday
Jun 22
|
Slight Chance Rain Showers
|
79°F |
10 to 15 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Harrison.
Nearby forecast pages are not available for this location yet.