FORT THOMPSON, SD 57339 Weather Forecast & Current Conditions

Enter ZIP code or City, State   
    


CHAMBERLAIN, SD
Current Weather

12:55 AM CDT JUN 28, 2026
Overcast
Heavy Rain
NA
Feels Like: NA
Dewpoint: NA
Rel. Hum.: NA%
Visibility: 1 1/4 miles
Wind: N at 10 mph
Pressure: 29.72 inches
Last 72 hours

Local Area Snow Depth

South Dakota Current Weather

South Dakota MOS Forecast Weather


Weather Map


(Automated weather data from NWS/FAA)
10-Day model forecast maps
2025 Hurricanes

FORT THOMPSON, SD 57339
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
Showers with thunderstorms likely. Some thunderstorms may be severe with damaging winds and large hail. Near steady temperature in the upper 60s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.
SUNDAY
Partly sunny. A slight chance of thunderstorms in the morning. Some thunderstorms may be severe with damaging winds and large hail. Humid with highs in the upper 80s. Southeast winds 10 to 15 mph with gusts up to 25 mph, becoming west 5 to 10 mph in the afternoon. Chance of rain 20 percent.
SUNDAY NIGHT
Mostly clear. Lows in the upper 60s. East winds 5 to 10 mph.
MONDAY
Partly sunny. Highs in the upper 80s. South winds 10 to 15 mph, becoming west 15 to 20 mph in the afternoon.
MONDAY NIGHT
Mostly clear in the evening, then partly cloudy with a chance of showers after midnight. Lows in the lower 60s. Southwest winds 10 to 15 mph. Chance of rain 30 percent.
TUESDAY
Mostly sunny. Highs in the upper 80s.
TUESDAY NIGHT
Mostly clear with a slight chance of thunderstorms in the evening, then partly cloudy with a chance of thunderstorms after midnight. Lows in the lower 60s. Chance of rain 40 percent.
WEDNESDAY
Partly sunny. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent.
WEDNESDAY NIGHT
Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the mid 60s. Chance of rain 40 percent.
THURSDAY
Partly sunny. A slight chance of thunderstorms in the afternoon. Hot with highs in the lower 90s. Chance of rain 20 percent.
THURSDAY NIGHT
Mostly clear with a chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 60s. Chance of rain 50 percent.
FRIDAY
Mostly sunny. Hot with highs in the mid 90s.
FRIDAY NIGHT
Mostly clear with a chance of thunderstorms in the evening, then partly cloudy with a slight chance of thunderstorms after midnight. Lows around 70. Chance of rain 30 percent.

Visible Weather Satellite
FORT THOMPSON, SD 57339
Infrared Weather Satellite
FORT THOMPSON, SD 57339
NEXRAD Weather Radar
FORT THOMPSON, SD 57339

CHAMBERLAIN, SD 3 hourly weather forecast

weather forecast created  5:00 PM PDT  6/27/2026
Sunday
28 JUN 2026
FORT THOMPSON, SD 57339 weather forecast Day 1, 0 hours 1 AM 73° 73° Mostly Cloudy 71%
RAIN
***
0% Thunder
( 43% severe)
SE   16 90% 70°
Low 69° FORT THOMPSON, SD 57339 weather forecast Day 1, 3 hours 4 AM 70° 70° Mostly Cloudy ESE   13 100% 70°
High 91° FORT THOMPSON, SD 57339 weather forecast Day 1, 6 hours 7 AM 70° 70° Mostly Cloudy 7%

0% Thunder
( 12% severe)
ESE   10 100% 70°

Partly Cloudy



FORT THOMPSON, SD 57339 weather forecast Day 1, 9 hours 10 AM 75° 75° Partly Cloudy S   8 84% 70°
FORT THOMPSON, SD 57339 weather forecast Day 1, 12 hours 1 PM 83° 85° Partly Cloudy 1%

0% Thunder
( 11% severe)
W   6 57% 66°
FORT THOMPSON, SD 57339 weather forecast Day 1, 15 hours 4 PM 89° 89° Partly Cloudy W   5 39% 61°
FORT THOMPSON, SD 57339 weather forecast Day 1, 18 hours 7 PM 90° 91° Clear 2%

0% Thunder
( 11% severe)
SE   5 41% 63°
FORT THOMPSON, SD 57339 weather forecast Day 1, 21 hours 10 PM 79° 81° Clear ESE   5 62% 65°
Monday
29 JUN 2026
FORT THOMPSON, SD 57339 weather forecast Day 2, 0 hours 1 AM 73° 73° Clear 12%
RAIN
<.01 in
0% Thunder
( 23% severe)
E   7 76% 65°
Low 66° FORT THOMPSON, SD 57339 weather forecast Day 2, 3 hours 4 AM 72° 72° Partly Cloudy ESE   9 81% 66°
High 88° FORT THOMPSON, SD 57339 weather forecast Day 2, 6 hours 7 AM 70° 70° Partly Cloudy 2%

0% Thunder
( 9% severe)
S   10 84% 65°

Partly Cloudy



FORT THOMPSON, SD 57339 weather forecast Day 2, 9 hours 10 AM 76° 78° Partly Cloudy WSW   13 66% 64°
FORT THOMPSON, SD 57339 weather forecast Day 2, 12 hours 1 PM 81° 82° Mostly Cloudy 0%

0% Thunder
( 12% severe)
W   15 53% 62°
FORT THOMPSON, SD 57339 weather forecast Day 2, 15 hours 4 PM 85° 84° Partly Cloudy W   12 37% 56°
FORT THOMPSON, SD 57339 weather forecast Day 2, 18 hours 7 PM 86° 85° Clear 7%

0% Thunder
( 10% severe)
WSW   8 36% 56°
FORT THOMPSON, SD 57339 weather forecast Day 2, 21 hours 10 PM 75° 75° Clear SW   7 54% 57°

CHAMBERLAIN, SD extended weather forecast

Tuesday
30 JUN 2026
Wednesday
1 JUL 2026
Thursday
2 JUL 2026
Friday
3 JUL 2026
Saturday
4 JUL 2026
Low 59° Low 63° Low 67° Low 66° Low 66°
High 89° High 90° High 87° High 94° High 89°
FORT THOMPSON, SD 57339 weather forecast Day 3 FORT THOMPSON, SD 57339 weather forecast Day 4 FORT THOMPSON, SD 57339 weather forecast Day 5 FORT THOMPSON, SD 57339 weather forecast Day 6 FORT THOMPSON, SD 57339 weather forecast Day 7
Partly Cloudy
10% Rain
Mostly Cloudy
48% Rain
Partly Cloudy
29% Rain
Partly Cloudy
34% Rain
Partly Cloudy
21% Rain
SELECT BOX EXAMPLES:
for LOCAL WEATHER:
SNOW DEPTH:
LOCAL WEATHER RADAR:
STATE WEATHER MAP:
Fort Thompson, SD
Fort Thompson, SD snow
Fort Thompson, SD radar
SD map
-or-
-or-
-or-
 
57339
57339 snow
57339 radar
 
-or-
-or-
 
 
SD
SD snow
 
 
Copyright © 2024 WeatherStreet.com
Put our free WeatherStreet weather lookup on your web page.
Terms & Conditions