Horsethief Reservoir

Horsethief Reservoir

Cascade, Valley County, ID
0mi²
1533.00ft
Directions
Lake Information

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.

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Current Conditions

59°F°
Feels like 62°F°
MostlyClear
Today's High
64°F°
Today's Low
40°F°

Water Temperature

57°F
Updated: (May 5)
Sign in to contribute temps.

Current water temperature for Horsethief Reservoir is 57°F.

Current Snapshot

Wind4 mph WNW (Gust 6 mph)
Pressure
29.97 inHg
Visibility21 mi
Humidity38%
Cloud Cover18%

Forecast: Wednesday, May 7

Day 1 of 9

Hourly Insights

7 AM
41°F°
10 AM
54°F°
1 PM
61°F°
4 PM
64°F°

Temperature

High
64°F°
Low
40°F°

Precipitation

Chance0%
Amount0.00"
Typeclear

Wind

6mph
Avg Speed
Gusts up to
16mph
CalmModerateStrong
Max Speed9 mph

Sun, Moon & UV

Sunrise12:25 PM
Sunset2:56 AM
Moon PhasewaxingGibbous
Max UV Index8 (Very High)

Solunar Fishing Forecast

Action Rating
2/5

Todays action is rated a 2 (scale is 0 thru 5, 5 is the best)

Major Times (Best)

6:00 AM - 6:00 AM

12:10 PM - 2:40 PM

Minor Times (Good)

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.

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May 4th 2025

Lake Information

Elevation
1533 ft
Area
0 mi²
Coordinates
44.515, -115.911

Weather Forecast

Wednesday

64°F
40°F

Thursday

65°F
43°F

Friday

72°F
43°F

Saturday

71°F
49°F

Sunday

66°F
45°F

Monday

45°F
36°F

Tuesday

45°F
32°F

Wednesday

47°F
33°F

Thursday

53°F
34°F
Wednesday - 5/7/2025
64°F
40°F
12am
44°F
57°F
30.02 hPa
3 mph
ESE
G: 3 mph
2am
42°F
57°F
30.02 hPa
4 mph
E
G: 6 mph
4am
40°F
57°F
30.05 hPa
5 mph
E
G: 6 mph
6am
40°F
57°F
30.04 hPa
5 mph
E
G: 6 mph
8am
45°F
57°F
30.04 hPa
3 mph
E
G: 5 mph
10am
54°F
57°F
30.03 hPa
5 mph
SSW
G: 11 mph
12pm
59°F
57°F
30.00 hPa
8 mph
SSW
G: 15 mph
2pm
63°F
57°F
29.96 hPa
9 mph
SW
G: 15 mph
4pm
64°F
57°F
29.92 hPa
9 mph
SW
G: 16 mph
6pm
63°F
57°F
29.90 hPa
9 mph
SW
G: 15 mph
8pm
59°F
57°F
29.91 hPa
5 mph
SW
G: 7 mph
10pm
52°F
57°F
29.95 hPa
3 mph
ESE
G: 6 mph

Water Temperature History

Trends for Horsethief Reservoir

Current Temp

Sign in to view

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

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Frequently Asked Questions About Horsethief Reservoir

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