Where is Wonder Lake?

Comfortable for a swim today. The water's in a comfortable range. Still check depth, currents, and the forecast, and follow any posted advisories before getting in.

Live data from NOAA buoy 45186 (28.6 mi away), as of Aug 21, 12:20 AM UTC. Conditions are for general information only and can change quickly — always judge the water in person and follow posted advisories before swimming.

Weather at Wonder Lake

H: 83° L: 58°

Partly Cloudy

72°

Feels like 70°

Precipitation

Humidity

55%

Wind

5 mph

UV Index

Water Conditions:

🏊Cool but swimmable🧴High UV - use sunscreen

12 AM

64°

3 AM

62°

6 AM

58°

9 AM

68°

12 PM

80°

3 PM

83°

6 PM

75°

9 PM

65°

Pack smarter for Wonder Lake

Useful gear categories for this kind of water spot. These links open Amazon search results so you can compare current options.

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Inflatable PaddleboardA popular way to explore calm coves and shorelines.

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Life JacketImportant around boats, paddling, and deeper swimming areas.

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Floating CoolerKeeps drinks nearby for swim areas, docks, and boats.

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Waterproof Phone PouchProtects phones around docks, boats, and splashy shorelines.

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Frequently asked questions

Where is Wonder Lake?: Wonder Lake is a lake in Wonder Lake, Illinois.
What is the water temperature at Wonder Lake?: As of August 21, 2026, the water temperature at Wonder Lake in Wonder Lake, Illinois is 74°F (23°C), measured by NOAA buoy 45186, 28.6 miles away.
Can you swim at Wonder Lake?: There is no fixed answer for Wonder Lake: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Wonder Lake in Wonder Lake, Illinois. Check current water conditions before you go, and follow posted signs and local guidance.
How is Wonder Lake rated?: Wonder Lake in Wonder Lake, Illinois has an average visitor rating of 4.4 out of 5, based on 23 reviews.

Visitor Reviews

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Been here? A quick note helps the next visitor plan their day. Handy things to mention:

Water temperatureCrowds & parkingBest time to goSafety & access

Best Times to Visit

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Right Now

Good conditions for visiting

🏞️ Lakes 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

Best Seasons:

☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

Wonder Lake, IL 60097

Wonder Lake, Illinois 60097

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