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Arkansas Water Temperatures

Current lake & river temperatures in Arkansas — updated daily from USGS sensors.

22
With Data
69.2°F
State Avg
84.6°F
Warmest
84.6°F
Warmest
Red River At Index, Ar
69.2°F
State Average
100 water bodies
48°F
Coldest
White River At Bull Shoals Dam Near Flippin
🏊
Swimming Conditions
⚠️ Brisk — wetsuit recommended
Based on avg 69.2°F
🎣
Fishing Conditions
🎣 Good — trout, walleye, bass
Based on avg 69.2°F

Arkansas — Ranked by Temperature

22 with data
1
84.6°F
☀️ Warm
3
82.4°F
☀️ Warm
4
80.4°F
☀️ Warm
5
79.5°F
☀️ Warm
10
76.8°F
☀️ Warm
12
74.3°F
🌤️ Comfortable
13
71.4°F
🌤️ Comfortable
14
70.5°F
🌤️ Comfortable
15
69.4°F
🌤️ Comfortable
17
53.6°F
❄️ Cold
19
50°F
❄️ Cold
20
49.8°F
❄️ Cold
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Arkansas Water Temperature FAQ

What is the warmest lake in Arkansas today?

Based on our latest USGS data, Red River At Index, Ar is currently the warmest water body in Arkansas at 84.6°F.

Which Arkansas lakes are good for swimming right now?

Lakes with water temperatures above 72°F are generally comfortable for swimming. Currently, Arkansas's average water temperature is 69.2°F — check individual lakes above for specific conditions.

What is the best water temperature for fishing in Arkansas?

The optimal temperature range depends on your target species. For bass fishing, look for water bodies between 65–75°F. For trout, target the coldest water bodies in Arkansas — typically 50–65°F. Use the table above to identify which lakes are in the ideal range for your target species.

🔬 Data Methodology & Sources

Water temperature readings on this site are collected from USGS (United States Geological Survey) monitoring stations installed at lakes, rivers, and reservoirs across the country. Sensors measure water surface temperature in Celsius, which is converted to Fahrenheit for display. Data is retrieved and stored daily. Temperatures shown reflect the most recent available sensor reading for each water body, typically from the past 1–30 days depending on station reporting frequency.

⚠️ Water temperatures can vary significantly across a water body due to depth, currents, and time of day. Sensor readings represent conditions at the monitoring station location. Always exercise caution when swimming and consult local authorities for official safety advisories.