
Arrowrock Reservoir
Nestled in the scenic Boise County of Idaho, Arrowrock Reservoir is a true gem of the West. Covering an impressive 3,015 acres, this reservoir is a popular destination for anglers seeking to catch a variety of fish species. Visitors to Arrowrock Reservoir can expect to catch Kokanee, Rainbow Trout, Smallmouth Bass, and Yellow Perch. The lake is known for its abundant wildlife, making it a prime location for fishing enthusiasts to cast their lines and reel in a big catch. However, it's important to note that Arrowrock Reservoir's water levels can fluctuate widely, so it's crucial to check the current levels before heading out to the lake. But for those who are prepared, Arrowrock Reservoir offers a unique fishing experience unlike any other. Beyond fishing, Arrowrock Reservoir offers a range of other activities for visitors to enjoy. Boaters can take advantage of the lake's calm waters, perfect for water skiing, wakeboarding, and tubing. Kayakers and paddleboarders will also find plenty to explore on the lake's tranquil waters. And for those seeking a little more adventure, the surrounding area offers plenty of opportunities for hiking and mountain biking. With stunning views of the surrounding mountains and valleys, a hike around Arrowrock Reservoir is an experience not to be missed. In short, Arrowrock Reservoir is a must-visit destination for anyone seeking outdoor adventure and natural beauty in the heart of Idaho. With its expansive size, diverse wildlife, and range of activities, this 3,015-acre reservoir is sure to leave a lasting impression on all who visit.
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Arrowrock Reservoir
Nestled in the scenic Boise County of Idaho, Arrowrock Reservoir is a true gem of the West. Covering an impressive 3,015 acres, this reservoir is a popular destination for anglers seeking to catch a variety of fish species. Visitors to Arrowrock Reservoir can expect to catch Kokanee, Rainbow Trout, Smallmouth Bass, and Yellow Perch. The lake is known for its abundant wildlife, making it a prime location for fishing enthusiasts to cast their lines and reel in a big catch. However, it's important to note that Arrowrock Reservoir's water levels can fluctuate widely, so it's crucial to check the current levels before heading out to the lake. But for those who are prepared, Arrowrock Reservoir offers a unique fishing experience unlike any other. Beyond fishing, Arrowrock Reservoir offers a range of other activities for visitors to enjoy. Boaters can take advantage of the lake's calm waters, perfect for water skiing, wakeboarding, and tubing. Kayakers and paddleboarders will also find plenty to explore on the lake's tranquil waters. And for those seeking a little more adventure, the surrounding area offers plenty of opportunities for hiking and mountain biking. With stunning views of the surrounding mountains and valleys, a hike around Arrowrock Reservoir is an experience not to be missed. In short, Arrowrock Reservoir is a must-visit destination for anyone seeking outdoor adventure and natural beauty in the heart of Idaho. With its expansive size, diverse wildlife, and range of activities, this 3,015-acre reservoir is sure to leave a lasting impression on all who visit.
Read more detailsCurrent Conditions
Water Temperature
Current water temperature for Arrowrock Reservoir is 58°F.
Current Snapshot
Forecast: Thursday, May 8
Clear
Hourly Insights
Temperature
Precipitation
Wind
Sun, Moon & UV
Solunar Fishing Forecast
Todays action is rated a 2 (scale is 0 thru 5, 5 is the best)
6:00 AM - 6:00 AM
12:50 PM - 3:20 PM
10:49 PM - 12:19 AM
10:08 AM - 11:38 AM
Outlook for Thursday at Arrowrock Reservoir
Expect temperatures ranging from 51°F to 71°F. Skies look mostly clear with little chance of precipitation. Winds will be averaging 5 mph, with potential gusts reaching up to 15 mph. The maximum UV index will be 9 (Very High), so plan sun protection accordingly. For anglers, today's fishing action is rated 2/5 (Todays action is rated a 2 (scale is 0 thru 5, 5 is the best)). Look for the best bite times during the major periods around 6:00 AM and 12:50 PM, or try the minor windows near 10:49 PM and 10:08 AM for potential early morning or evening action. Check back for the latest conditions and forecasts for Arrowrock Reservoir.
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Lake Information
Common Fish Species
Nearby Lakes
Water Temperature History
Trends for Arrowrock Reservoir
Current Temp
Latest recorded surface temperature.
Lowest in Period
34°F
On Feb 16
Coldest point in the Last 12 Months.
Average in Period
52°F
Typical temp during the Last 12 Months.
Temperature Trend: Last 12 Months
Surface temperature over the selected period.
Key Observations (Last 12 Months)
- Warmest avg: July (79°F).
- Coolest avg: February (34°F).
- Rapid warming often occurs: March → April (+16°F).
- Sharpest cooling trend: September → October (-20°F).
Weather Forecast
Wind speed and pressure trends
Hourly Wind Forecast
Wind Direction
98°
Pressure
1013 mb
Cloud Cover
1%
Visibility
30 miles
Daily Pressure Forecast


Frequently Asked Questions About Arrowrock Reservoir
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