Mackay Reservoir

Mackay Reservoir

Mackay, Custer County, ID
2mi²
1845.00ft
Directions
Lake Information

Mackay Reservoir, located in Custer County, Idaho, is a popular destination for anglers seeking a unique and exciting fishing experience. Spanning an impressive 1,178 acres, this reservoir is known for its excellent ice fishing opportunities, making it a favourite among locals and tourists alike. One of the most prized fish in Mackay Reservoir is the Kokanee Salmon, a species renowned for its bright red flesh and delicious taste. Anglers can also catch Rainbow Trout and Cutthroat Trout, which are abundant in the reservoir and provide a challenging catch. These species are typically caught using a variety of techniques, including jigging, trolling, and bait fishing. During the winter months, Mackay Reservoir becomes an ideal location for ice fishing. The reservoir's frozen surface provides a unique opportunity for anglers to catch fish that are not typically available during the warmer months. Anglers can use a range of specialized equipment, including ice augers, ice fishing shelters, and tip-ups, to catch Kokanee Salmon, Rainbow Trout, and Cutthroat Trout. Mackay Reservoir also offers a range of recreational activities for visitors to enjoy. The reservoir is surrounded by stunning natural beauty, making it a popular destination for hiking, camping, and wildlife viewing. During the summer months, the reservoir is also ideal for swimming, boating, and water sports. Overall, Mackay Reservoir is a must-visit destination for anglers and outdoor enthusiasts alike. Its range of fish species, excellent ice fishing opportunities, and abundance of recreational activities make it a popular destination for those seeking a unique and rewarding outdoor experience. With its stunning natural beauty and tranquil surroundings, Mackay Reservoir is truly a gem of Custer County, Idaho.

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Current Conditions

54°F°
Feels like 51°F°
PartlyCloudy
Today's High
60°F°
Today's Low
38°F°

Water Temperature

50°F
Updated: (May 6)
Sign in to contribute temps.

Current water temperature for Mackay Reservoir is 50°F.

Current Snapshot

Wind7 mph SE (Gust 11 mph)
Pressure
29.95 inHg
Visibility28 mi
Humidity36%
Cloud Cover60%

Forecast: Wednesday, May 7

Day 1 of 9

Hourly Insights

7 AM
38°F°
10 AM
49°F°
1 PM
56°F°
4 PM
59°F°

Temperature

High
60°F°
Low
38°F°

Precipitation

Chance0%
Amount0.00"
Typeclear

Wind

5mph
Avg Speed
Gusts up to
13mph
CalmModerateStrong
Max Speed8 mph

Sun, Moon & UV

Sunrise12:17 PM
Sunset2:45 AM
Moon PhasewaxingGibbous
Max UV Index7 (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

12:20 PM - 2:50 PM

Minor Times (Good)

9:38 PM - 11:08 PM

9:43 AM - 11:13 AM

Outlook for Wednesday at Mackay Reservoir

Expect temperatures ranging from 38°F to 60°F. Skies look mostly clear with little chance of precipitation. Winds will be averaging 5 mph, with potential gusts reaching up to 13 mph. The maximum UV index will be 7 (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 12:20 PM, or try the minor windows near 9:38 PM and 9:43 AM for potential early morning or evening action. Check back for the latest conditions and forecasts for Mackay Reservoir.

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May 7th 2025

Lake Information

Elevation
1845 ft
Area
2 mi²
Coordinates
43.953, -113.675

Weather Forecast

Wednesday

60°F
38°F

Thursday

63°F
40°F

Friday

66°F
41°F

Saturday

69°F
47°F

Sunday

57°F
45°F

Monday

49°F
35°F

Tuesday

41°F
30°F

Wednesday

46°F
29°F

Thursday

49°F
29°F
Wednesday - 5/7/2025
60°F
38°F
12am
43°F
50°F
30.05 hPa
4 mph
SE
G: 8 mph
2am
40°F
50°F
30.06 hPa
4 mph
SE
G: 7 mph
4am
39°F
50°F
30.06 hPa
3 mph
SE
G: 5 mph
6am
38°F
50°F
30.07 hPa
3 mph
SE
G: 5 mph
8am
42°F
50°F
30.07 hPa
4 mph
SSE
G: 7 mph
10am
49°F
50°F
30.06 hPa
4 mph
SE
G: 8 mph
12pm
54°F
50°F
30.00 hPa
8 mph
SE
G: 12 mph
2pm
57°F
50°F
29.95 hPa
7 mph
SSE
G: 12 mph
4pm
59°F
50°F
29.90 hPa
7 mph
SSE
G: 11 mph
6pm
60°F
50°F
29.87 hPa
6 mph
SSW
G: 10 mph
8pm
56°F
50°F
29.89 hPa
8 mph
SW
G: 12 mph
10pm
50°F
50°F
29.95 hPa
4 mph
WSW
G: 7 mph

Water Temperature History

Trends for Mackay Reservoir

Current Temp

Sign in to view

Latest recorded surface temperature.

Lowest in Period

33°F

On Mar 23

Coldest point in the Last 12 Months.

Average in Period

45°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 (69°F).
  • Coolest avg: December (34°F).
  • Rapid warming often occurs: April → May (+13°F).
  • Sharpest cooling trend: September → October (-16°F).

Weather Forecast

Wind speed and pressure trends

Hourly Wind Forecast

12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm0481216

Wind Direction

130°

Pressure

1018 mb

Cloud Cover

10%

Visibility

20 miles

Daily Pressure Forecast

WedThuFriSatSunMonTueWedThu0.008.8617.7226.5835.44
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Frequently Asked Questions About Mackay Reservoir

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