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 74. West wind 6 to 10 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: Apr 15, 2026 2:37 PM CDT.
The active forecast window currently covers Apr 15 to Apr 21, 2026 for Fort Thompson, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 2:37 PM CDT
- Forecast office
- ABR
- Source
- NOAA / NWS
Daily Outlook
This Week in Fort Thompson
Thursday looks like the warmest upcoming period in Fort Thompson at 84 degrees F.
Friday Night is the coolest period ahead with temperatures near 26 degrees F.
The strongest winds are forecast for Friday at about 26 mph NNW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 2:37 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 46. Southeast wind 6 to 10 mph.
Sunny, with a high near 84. Southwest wind 10 to 17 mph, with gusts as high as 25 mph.
A slight chance of rain showers after 7pm. Mostly cloudy, with a low around 36. North northeast wind 10 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 7am, then a slight chance of rain and snow showers between 7am and 1pm. Mostly cloudy, with a high near 47. North northwest wind around 26 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
A slight chance of snow showers after 7pm. Mostly cloudy, with a low around 26. Northwest wind 15 to 23 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
A slight chance of snow showers before 7am. Mostly sunny, with a high near 49. Northwest wind 16 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Mostly clear, with a low around 27. West northwest wind 6 to 21 mph, with gusts as high as 29 mph.
Sunny, with a high near 62. South southwest wind 6 to 10 mph.
Mostly clear, with a low around 36.
Sunny, with a high near 76.
Mostly clear, with a low around 44.
Sunny, with a high near 76.
Mostly clear, with a low around 47.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Apr 15
|
Sunny
|
74°F |
6 to 10 mph
W
|
|
Tonight
Apr 15
|
Mostly Clear
|
46°F |
6 to 10 mph
SE
|
|
Thursday
Apr 16
|
Sunny
|
84°F |
10 to 17 mph
SW
|
|
Thursday Night
Apr 16
|
Slight Chance Rain Showers
|
36°F |
10 to 24 mph
NNE
|
|
Friday
Apr 17
|
Slight Chance Rain And Snow Showers
|
47°F |
26 mph
NNW
|
|
Friday Night
Apr 17
|
Slight Chance Snow Showers
|
26°F |
15 to 23 mph
NW
|
|
Saturday
Apr 18
|
Slight Chance Snow Showers then Mostly Sunny
|
49°F |
16 to 21 mph
NW
|
|
Saturday Night
Apr 18
|
Mostly Clear
|
27°F |
6 to 21 mph
WNW
|
|
Sunday
Apr 19
|
Sunny
|
62°F |
6 to 10 mph
SSW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
36°F |
13 mph
ESE
|
|
Monday
Apr 20
|
Sunny
|
76°F |
10 to 17 mph
S
|
|
Monday Night
Apr 20
|
Mostly Clear
|
44°F |
12 to 16 mph
S
|
|
Tuesday
Apr 21
|
Sunny
|
76°F |
10 to 15 mph
NW
|
|
Tuesday Night
Apr 21
|
Mostly Clear
|
47°F |
14 mph
ENE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Fort Thompson.
Nearby forecast pages are not available for this location yet.
