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Photo: Lake Decatur on Spring Creek - panoramio by Jeffrey Hatcher (CC BY-SA 3.0) License
Lake Decatur
Lake · Decatur, Illinois
Cool today
Expansive manmade lake, a popular destination for boating & fishing, with several boat ramps.
Things to Do Near Lake Decatur
Top-rated tours and experiences around Decatur, powered by Viator — free cancellation on most.
Historical and Architectural Chicago Fireboat River & Lake Cruise
★ 4.9(504)
from $33.22
Lakefront Segway Tour in Chicago
★ 4.6(151)
from $70
Chicago Lake and River Architecture Tour
★ 4.7(2,471)
from $45
Chicago Seadog River & Lake Architectural Tour
★ 4.5(313)
from $41.65
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Weather at Lake Decatur
56°F, Overcast · H 72° / L 51° · 2% chance of rain3-day forecast
H: 72° L: 51°
Overcast
56°
|
Feels like 50°
Precipitation
2%
Humidity
38%
Wind
5 mph
UV Index
0
12 AM
57°
3 AM
56°
6 AM
52°
9 AM
58°
12 PM
68°
3 PM
72°
6 PM
65°
9 PM
58°
Frequently asked questions
- Where is Lake Decatur?
- Lake Decatur is a lake in Decatur, Illinois.
- Can you swim at Lake Decatur?
- There is no fixed answer for Lake Decatur: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Lake Decatur in Decatur, Illinois. Check current water conditions before you go, and follow posted signs and local guidance.
- How is Lake Decatur rated?
- Lake Decatur in Decatur, Illinois has an average visitor rating of 4.4 out of 5, based on 54 reviews.
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Location & Contact
Decatur, IL
Decatur, Illinois None
🏞️ Best times & visiting tips
- ›Check for boat launch facilities and fees
- ›Obtain required fishing licenses before arrival
- ›Be aware of lake-specific regulations and restrictions
- ›Monitor water quality reports before swimming
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