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Fort Thompson Spillway — Boating Conditions
Tides, water temp & weather • Buffalo County, SD
Boating Conditions at Fort Thompson Spillway
Current wind, air and water temperature, tide times and a 10-day forecast for Fort Thompson Spillway in Buffalo County, South Dakota. Check conditions before you launch.
Right Now
Overcast
Calm — good conditions to get on the water
Air Temp
59°F
Wind
6 mph
gusts 13 mph
Next Few Hours
Now
🌧️
59°
58%
6 mph
9PM
⛅
59°
52%
3 mph
10PM
🌧️
59°
49%
4 mph
11PM
🌧️
59°
50%
3 mph
12AM
🌧️
59°
56%
4 mph
1AM
🌧️
59°
59%
5 mph
10-Day Boating Forecast
Sun, 9/20
🌧️
63° / 59°
Wind 11, gusts 22 mph
79% rain
Mon, 9/21
🌧️
63° / 55°
Wind 12, gusts 23 mph
65% rain
Tue, 9/22
🌧️
62° / 47°
Wind 15, gusts 31 mph
8% rain
Wed, 9/23
🌧️
72° / 57°
Wind 22, gusts 38 mph
41% rain
Thu, 9/24
⛅
73° / 64°
Wind 15, gusts 35 mph
41% rain
Fri, 9/25
🌧️
64° / 59°
Wind 13, gusts 23 mph
19% rain
Sat, 9/26
⛅
74° / 58°
Wind 11, gusts 21 mph
18% rain
Sun, 9/27
⛅
80° / 60°
Wind 14, gusts 37 mph
10% rain
Mon, 9/28
🌧️
85° / 66°
Wind 14, gusts 37 mph
38% rain
Tue, 9/29
☀️
88° / 62°
Wind 12, gusts 16 mph
38% rain
Weather & wave data from Open-Meteo. Tides & water temperature from NOAA CO-OPS. Conditions are estimates for trip planning — always confirm locally and check official marine forecasts before heading out.
