
Horsethief Reservoir
Nestled amidst the idyllic landscapes of Valley County, Idaho, Horsethief Reservoir stands as a pristine sanctuary for anglers and nature enthusiasts alike. Spanning an expansive 258 acres, this picturesque reservoir beckons visitors with its tranquil waters and diverse fish populations, offering an immersive outdoor experience amidst the scenic beauty of Idaho's wilderness. Horsethief Reservoir is renowned for its abundant fish species, providing anglers with the opportunity to reel in prized catches such as Brown Trout, Rainbow Trout, Kokanee Salmon, Black Bullhead, Brook Trout, Brown Trout, and Yellow Perch. Anglers of all skill levels flock to the reservoir's shores, eager to cast their lines and test their angling prowess against the backdrop of rolling hills and dense forests. Beyond its appeal to anglers, Horsethief Reservoir offers a wealth of recreational opportunities for visitors to enjoy. Scenic hiking trails wind through the surrounding wilderness, providing opportunities to explore the rugged terrain and immerse oneself in the natural beauty of the area. Picnic areas nestled along the shoreline invite families and friends to gather for lakeside lunches and leisurely outings, while the tranquil ambiance of the reservoir sets the stage for relaxation and rejuvenation. As a cherished destination in Valley County, Horsethief Reservoir invites visitors to escape the hustle and bustle of city life and immerse themselves in the tranquility of nature. Whether fishing for trophy trout, exploring the scenic trails, or simply enjoying a peaceful day by the water's edge, Horsethief Reservoir offers a serene retreat where visitors can create lasting memories amidst the breathtaking landscapes of Idaho's backcountry.
Read more
Horsethief Reservoir
Nestled amidst the idyllic landscapes of Valley County, Idaho, Horsethief Reservoir stands as a pristine sanctuary for anglers and nature enthusiasts alike. Spanning an expansive 258 acres, this picturesque reservoir beckons visitors with its tranquil waters and diverse fish populations, offering an immersive outdoor experience amidst the scenic beauty of Idaho's wilderness. Horsethief Reservoir is renowned for its abundant fish species, providing anglers with the opportunity to reel in prized catches such as Brown Trout, Rainbow Trout, Kokanee Salmon, Black Bullhead, Brook Trout, Brown Trout, and Yellow Perch. Anglers of all skill levels flock to the reservoir's shores, eager to cast their lines and test their angling prowess against the backdrop of rolling hills and dense forests. Beyond its appeal to anglers, Horsethief Reservoir offers a wealth of recreational opportunities for visitors to enjoy. Scenic hiking trails wind through the surrounding wilderness, providing opportunities to explore the rugged terrain and immerse oneself in the natural beauty of the area. Picnic areas nestled along the shoreline invite families and friends to gather for lakeside lunches and leisurely outings, while the tranquil ambiance of the reservoir sets the stage for relaxation and rejuvenation. As a cherished destination in Valley County, Horsethief Reservoir invites visitors to escape the hustle and bustle of city life and immerse themselves in the tranquility of nature. Whether fishing for trophy trout, exploring the scenic trails, or simply enjoying a peaceful day by the water's edge, Horsethief Reservoir offers a serene retreat where visitors can create lasting memories amidst the breathtaking landscapes of Idaho's backcountry.
Read more detailsCurrent Conditions
Water Temperature
Current water temperature for Horsethief Reservoir is 57°F.
Current Snapshot
Forecast: Wednesday, May 7
MostlyClear
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
12:10 PM - 2:40 PM
9:47 PM - 11:17 PM
9:52 AM - 11:22 AM
Outlook for Wednesday at Horsethief Reservoir
Expect temperatures ranging from 40°F to 64°F. Skies look mostly clear with little chance of precipitation. Winds will be averaging 6 mph, with potential gusts reaching up to 16 mph. The maximum UV index will be 8 (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 12:10 PM, or try the minor windows near 9:47 PM and 9:52 AM for potential early morning or evening action. Check back for the latest conditions and forecasts for Horsethief Reservoir.
Lake Map Views

Try Premium Features
Find the fishing sweet spots! See detailed temperature readings throughout your lake.
No credit card required for preview
Lake Information
Common Fish Species
Nearby Lakes
Water Temperature History
Trends for Horsethief Reservoir
Current Temp
Latest recorded surface temperature.
Lowest in Period
33°F
On Apr 6
Coldest point in the Last 12 Months.
Average in Period
50°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 (73°F).
- Coolest avg: March (35°F).
- Rapid warming often occurs: April → May (+14°F).
- Sharpest cooling trend: September → October (-20°F).
Weather Forecast
Wind speed and pressure trends
Hourly Wind Forecast
Wind Direction
113°
Pressure
1017 mb
Cloud Cover
1%
Visibility
18 miles
Daily Pressure Forecast


Frequently Asked Questions About Horsethief Reservoir
Get accurate, up-to-date information about conditions at Horsethief Reservoir.