Fort Thompson, SD Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Fort Thompson, SD in one place.
A slight chance of showers and thunderstorms. Mostly cloudy. High near 80, with temperatures falling to around 73 in the afternoon. Southeast wind around 18 mph. Chance of precipitation is 20%.
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: May 30, 2026 7:52 PM CDT.
The active forecast window currently covers May 30 to Jun 5, 2026 for Fort Thompson, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 5, 2026
- Latest sync
- May 30, 2026 7:52 PM CDT
- Forecast office
- ABR
- Source
- NOAA / NWS
Daily Outlook
This Week in Fort Thompson
Wednesday looks like the warmest upcoming period in Fort Thompson at 86 degrees F.
Monday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Tonight at about 15 to 21 mph ESE.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 7:52 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
A chance of showers and thunderstorms before 1am, then showers and thunderstorms. Mostly cloudy. Low around 57, with temperatures rising to around 64 overnight. East southeast wind 15 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Southeast wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 54. Southeast wind 8 to 15 mph. Chance of precipitation is 40%.
Mostly sunny, with a high near 79. Northwest wind 10 to 17 mph.
Partly cloudy, with a low around 52. Northeast wind 3 to 10 mph.
Mostly sunny, with a high near 84. Southeast wind 5 to 15 mph, with gusts as high as 23 mph.
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 57. South southeast wind 12 to 15 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly sunny, with a high near 86. South southeast wind 12 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 55. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 54. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
May 30
|
Slight Chance Showers And Thunderstorms
|
80°F |
18 mph
SE
|
|
Tonight
May 30
|
Chance Showers And Thunderstorms
|
57°F |
15 to 21 mph
ESE
|
|
Sunday
May 31
|
Chance Showers And Thunderstorms
|
84°F |
15 mph
SE
|
|
Sunday Night
May 31
|
Chance Showers And Thunderstorms
|
54°F |
8 to 15 mph
SE
|
|
Monday
Jun 1
|
Mostly Sunny
|
79°F |
10 to 17 mph
NW
|
|
Monday Night
Jun 1
|
Partly Cloudy
|
52°F |
3 to 10 mph
NE
|
|
Tuesday
Jun 2
|
Mostly Sunny
|
84°F |
5 to 15 mph
SE
|
|
Tuesday Night
Jun 2
|
Chance Showers And Thunderstorms
|
57°F |
12 to 15 mph
SSE
|
|
Wednesday
Jun 3
|
Chance Showers And Thunderstorms
|
86°F |
12 to 16 mph
SSE
|
|
Wednesday Night
Jun 3
|
Chance Showers And Thunderstorms
|
56°F |
8 to 15 mph
S
|
|
Thursday
Jun 4
|
Chance Showers And Thunderstorms
|
83°F |
10 mph
SSE
|
|
Thursday Night
Jun 4
|
Chance Showers And Thunderstorms
|
55°F |
8 to 12 mph
E
|
|
Friday
Jun 5
|
Slight Chance Showers And Thunderstorms
|
83°F |
10 mph
NE
|
|
Friday Night
Jun 5
|
Slight Chance Showers And Thunderstorms
|
54°F |
5 to 9 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.
