Updated
Lake Arrowhead
Lake
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Current water conditions
Live data from NOAA buoy 45198 (20.4 mi away), as of Aug 21, 4:20 PM 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 Lake Arrowhead
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Frequently asked questions
- Where is Lake Arrowhead?
- Lake Arrowhead is a lake in Illinois.
- What is the water temperature at Lake Arrowhead?
- As of August 21, 2026, the water temperature at Lake Arrowhead in Illinois is 73°F (23°C), measured by NOAA buoy 45198, 20.4 miles away.
- Can you swim at Lake Arrowhead?
- There is no fixed answer for Lake Arrowhead: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Lake Arrowhead in Illinois. Check current water conditions before you go, and follow posted signs and local guidance.
- What amenities does Lake Arrowhead have?
- Visitor-listed amenities at Lake Arrowhead include camping-nearby.
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Best Times to Visit
- ›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
Location & Contact
Illinois
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