Fort Thompson, SD Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Fort Thompson, SD in one place.
Sunny, with a high near 95. South southeast wind 7 to 15 mph.
Local Weather Overview
This forecast page for Fort Thompson, 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: Jul 14, 2026 9:45 PM CDT.
The active forecast window currently covers Jul 15 to Jul 21, 2026 for Fort Thompson, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 21, 2026
- Latest sync
- Jul 14, 2026 9:45 PM CDT
- Forecast office
- ABR
- Source
- NOAA / NWS
Daily Outlook
This Week in Fort Thompson
Friday looks like the warmest upcoming period in Fort Thompson at 101 degrees F.
Monday Night is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Monday at about 8 to 17 mph NNW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 9:45 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ABR
- Radar station
- KABR
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 70. South southeast wind 9 to 15 mph.
Sunny, with a high near 99. Heat index values as high as 98. South southeast wind 8 to 14 mph, with gusts as high as 22 mph.
Mostly clear, with a low around 74. South southeast wind 8 to 13 mph.
Sunny, with a high near 101. West southwest wind around 8 mph.
Mostly clear, with a low around 73. North northeast wind around 10 mph.
Sunny, with a high near 101. East northeast wind around 9 mph.
Mostly clear, with a low around 74. East southeast wind around 10 mph.
Mostly sunny, with a high near 101.
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 72. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 93. Chance of precipitation is 20%.
Partly cloudy, with a low around 67.
Mostly sunny, with a high near 88.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Sunny
|
95°F |
7 to 15 mph
SSE
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
70°F |
9 to 15 mph
SSE
|
|
Thursday
Jul 16
|
Sunny
|
99°F |
8 to 14 mph
SSE
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
74°F |
8 to 13 mph
SSE
|
|
Friday
Jul 17
|
Sunny
|
101°F |
8 mph
WSW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
73°F |
10 mph
NNE
|
|
Saturday
Jul 18
|
Sunny
|
101°F |
9 mph
ENE
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
74°F |
10 mph
ESE
|
|
Sunday
Jul 19
|
Mostly Sunny
|
101°F |
8 to 12 mph
SW
|
|
Sunday Night
Jul 19
|
Slight Chance Showers And Thunderstorms
|
72°F |
7 to 12 mph
N
|
|
Monday
Jul 20
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
93°F |
8 to 17 mph
NNW
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
67°F |
7 to 15 mph
N
|
|
Tuesday
Jul 21
|
Mostly Sunny
|
88°F |
7 to 13 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Fort Thompson.
Nearby forecast pages are not available for this location yet.
