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William G. Stratton State Park — Boating Conditions
Tides, water temp & weather • Grundy County, IL
Boating Conditions at William G. Stratton State Park
Current wind, air and water temperature, tide times and a 10-day forecast for William G. Stratton State Park on Illinois River in Grundy County, Illinois. Check conditions before you launch.
Right Now
Overcast
Calm — good conditions to get on the water
Air Temp
71°F
Wind
4 mph
gusts 5 mph
Wave Height
0.1 ft
1.7s period
Next Few Hours
Now
🌧️
70°
47%
6 mph
10PM
⛅
70°
36%
5 mph
11PM
⛅
70°
27%
5 mph
12AM
⛅
69°
32%
4 mph
1AM
🌧️
69°
35%
3 mph
2AM
🌧️
69°
40%
5 mph
10-Day Boating Forecast
Sat, 9/19
🌧️
74° / 67°
Wind 10, gusts 21 mph
49% rain
Sun, 9/20
🌧️
71° / 63°
Wind 13, gusts 28 mph
52% rain
Mon, 9/21
🌧️
64° / 59°
Wind 15, gusts 34 mph
55% rain
Tue, 9/22
⛅
63° / 54°
Wind 13, gusts 24 mph
36% rain
Wed, 9/23
⛅
68° / 51°
Wind 13, gusts 20 mph
5% rain
Thu, 9/24
⛅
64° / 50°
Wind 8, gusts 19 mph
4% rain
Fri, 9/25
⛅
70° / 53°
Wind 8, gusts 18 mph
4% rain
Sat, 9/26
⛅
71° / 54°
Wind 9, gusts 15 mph
2% rain
Sun, 9/27
⛅
73° / 50°
Wind 9 mph
7% rain
Mon, 9/28
☀️
76° / 50°
Wind 7, gusts 14 mph
9% 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.
