Updated
Lafayette County Lake J-21
Reservoir
Hot — visit early
Interactive map not available
Weather at Lafayette County Lake J-21
H: 95° L: 66°
Sunny
94°
|
Feels like 101°
Precipitation
6%
Humidity
45%
Wind
4 mph
UV Index
4.6
Water Conditions:
🏊Perfect for swimming
12 AM
72°
3 AM
69°
6 AM
67°
9 AM
74°
12 PM
90°
3 PM
95°
6 PM
91°
9 PM
79°
Sponsored gear checklist
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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.
Compare on Amazon →Life JacketImportant around boats, paddling, and deeper swimming areas.
Compare on Amazon →Floating CoolerKeeps drinks nearby for swim areas, docks, and boats.
Compare on Amazon →Waterproof Phone PouchProtects phones around docks, boats, and splashy shorelines.
Compare on Amazon →Frequently asked questions
- Where is Lafayette County Lake J-21?
- Lafayette County Lake J-21 is a reservoir in Missouri.
- Can you swim at Lafayette County Lake J-21?
- There is no fixed answer for Lafayette County Lake J-21: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Lafayette County Lake J-21 in Missouri. Check current water conditions before you go, and follow posted signs and local guidance.
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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
☀️
Right Now
Very warm - visit early morning or evening
🏞️ 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
Missouri
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