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Big Sioux Wildlife Area - Highway 18 — Boating Conditions
Tides, water temp & weather • Lyon County, IA
Boating Conditions at Big Sioux Wildlife Area - Highway 18
Current wind, air and water temperature, tide times and a 10-day forecast for Big Sioux Wildlife Area - Highway 18 on Big Sioux River in Lyon County, Iowa. Check conditions before you launch.
Right Now
Overcast
Calm — good conditions to get on the water
Air Temp
61°F
Wind
9 mph
gusts 19 mph
Next Few Hours
Now
⛅
60°
10 mph
11PM
⛅
60°
1%
8 mph
12AM
⛅
60°
1%
7 mph
1AM
⛅
60°
1%
7 mph
2AM
⛅
59°
1%
10 mph
3AM
⛅
59°
1%
8 mph
10-Day Boating Forecast
Sat, 9/19
🌧️
66° / 60°
Wind 10, gusts 22 mph
5% rain
Sun, 9/20
🌧️
61° / 59°
Wind 11, gusts 25 mph
53% rain
Mon, 9/21
🌧️
59° / 51°
Wind 12, gusts 27 mph
61% rain
Tue, 9/22
🌧️
65° / 50°
Wind 10, gusts 20 mph
3% rain
Wed, 9/23
⛅
70° / 48°
Wind 15, gusts 27 mph
10% rain
Thu, 9/24
🌧️
65° / 56°
Wind 15, gusts 29 mph
42% rain
Fri, 9/25
🌧️
61° / 54°
Wind 14, gusts 29 mph
13% rain
Sat, 9/26
🌧️
65° / 54°
Wind 16, gusts 28 mph
27% rain
Sun, 9/27
⛅
70° / 52°
Wind 14, gusts 22 mph
28% rain
Mon, 9/28
🌧️
67° / 56°
Wind 21, gusts 42 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.
