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Legion Lake — Boating Conditions
Tides, water temp & weather • Custer County, SD
Boating Conditions at Legion Lake
Current wind, air and water temperature, tide times and a 10-day forecast for Legion Lake in Custer County, South Dakota. Check conditions before you launch.
Right Now
Fog
Calm — good conditions to get on the water
Air Temp
57°F
Wind
4 mph
gusts 7 mph
Next Few Hours
Now
🌧️
57°
56%
6 mph
10PM
🌧️
56°
51%
9 mph
11PM
🌧️
55°
53%
7 mph
12AM
🌧️
54°
46%
8 mph
1AM
🌧️
54°
58%
10 mph
2AM
🌧️
53°
68%
11 mph
10-Day Boating Forecast
Sat, 9/19
🌧️
63° / 55°
Wind 11, gusts 14 mph
56% rain
Sun, 9/20
🌧️
59° / 50°
Wind 12, gusts 20 mph
71% rain
Mon, 9/21
🌧️
52° / 48°
Wind 7, gusts 12 mph
54% rain
Tue, 9/22
🌧️
55° / 50°
Wind 6, gusts 17 mph
54% rain
Wed, 9/23
🌫️
75° / 54°
Wind 13, gusts 22 mph
10% rain
Thu, 9/24
⛅
74° / 58°
Wind 9 mph
10% rain
Fri, 9/25
⛅
72° / 53°
Wind 10 mph
3% rain
Sat, 9/26
☀️
82° / 52°
Wind 12, gusts 15 mph
6% rain
Sun, 9/27
🌧️
75° / 55°
Wind 12, gusts 24 mph
25% rain
Mon, 9/28
🌧️
71° / 52°
Wind 10, gusts 26 mph
32% 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.
