Updated
Old Altamont Reservoir
Reservoir
Great conditions today
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Weather at Old Altamont Reservoir
H: 90° L: 62°
Sunny
86°
|
Feels like 86°
Precipitation
6%
Humidity
44%
Wind
3 mph
UV Index
5.8
Water Conditions:
🏊Perfect for swimming🧴High UV - use sunscreen
12 AM
68°
3 AM
65°
6 AM
62°
9 AM
74°
12 PM
88°
3 PM
90°
6 PM
81°
9 PM
74°
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Inflatable PaddleboardA popular way to explore calm coves and shorelines.
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Compare on Amazon →Frequently asked questions
- Where is Old Altamont Reservoir?
- Old Altamont Reservoir is a reservoir in Illinois.
- Can you swim at Old Altamont Reservoir?
- There is no fixed answer for Old Altamont Reservoir: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Old Altamont Reservoir in Illinois. 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
Illinois
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