Holter Reservoir

Holter Reservoir

Wolf Creek, Lewis And Clark County, MT
6mi²
ft
Directions
Lake Information

Holter Reservoir, located in Lewis and Clark County, Montana, is a popular destination for anglers looking to catch a variety of fish species. The reservoir is home to a diverse fish population, including brook trout, brown trout, burbot, common carp, fathead minnow, kokanee, longnose sucker, mottled sculpin, mountain whitefish, northern pike, rainbow trout, Utah chub, walleye, westslope cutthroat trout, white sucker, and yellow perch. Rainbow trout are a popular target for anglers at Holter Reservoir, as they are stocked annually and can be caught throughout the year. Walleye and yellow perch are also abundant in the reservoir, and can be caught using a variety of techniques, including jigging and trolling. Kokanee salmon are primarily found in deeper water near the dam and can be targeted during certain times of the year. In addition to its excellent fishing opportunities, Holter Reservoir offers scenic views of the surrounding mountains and is a popular destination for boating and water sports. The reservoir is also home to several campgrounds and day-use areas, making it a great spot for a weekend camping trip or family outing. Whether you're an experienced angler or just starting out, Holter Reservoir offers something for everyone. With its diverse fish population, beautiful scenery, and variety of recreational opportunities, it's no wonder that this reservoir is a popular destination for anglers and outdoor enthusiasts alike.

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Current Conditions

54°F°
Feels like 43°F°
Windy
Today's High
54°F°
Today's Low
39°F°

Water Temperature

32°F
Updated: (Apr 28)
Sign in to contribute temps.

Current water temperature for Holter Reservoir is 32°F.

Current Snapshot

Wind16 mph W (Gust 29 mph)
Pressure
29.83 inHg
Visibility20 mi
Humidity46%
Cloud Cover61%

Forecast: Wednesday, Apr 30

Day 1 of 9

Hourly Insights

7 AM
39°F°
10 AM
47°F°
1 PM
52°F°
7%
4 PM
52°F°

Temperature

High
54°F°
Low
39°F°

Precipitation

Chance29%
Amount0.06"
Typerain

Wind

3mph
Avg Speed
Gusts up to
11mph
CalmModerateStrong
Max Speed6 mph

Sun, Moon & UV

Sunrise12:13 PM
Sunset2:37 AM
Moon PhasewaxingCrescent
Max UV Index4 (Moderate)

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)

9:56 PM - 12:26 AM

6:20 AM - 8:50 AM

Minor Times (Good)

1:16 PM - 2:46 PM

6:00 AM - 6:00 AM

Outlook for Wednesday at Holter Reservoir

Expect temperatures ranging from 39°F to 54°F. There's a 29% chance of rain, potentially bringing around 0.06" rain. Winds will be averaging 3 mph, with potential gusts reaching up to 11 mph. The maximum UV index will be 4 (Moderate), 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 9:56 PM and 6:20 AM, or try the minor windows near 1:16 PM and 6:00 AM for potential early morning or evening action. Check back for the latest conditions and forecasts for Holter Reservoir.

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April 29th 2025

Lake Information

Elevation
N/A
Area
6 mi²
Coordinates
46.972, -111.983

Weather Forecast

Wednesday

54°F
39°F

Thursday

63°F
37°F

Friday

74°F
41°F

Saturday

76°F
46°F

Sunday

63°F
41°F

Monday

50°F
37°F

Tuesday

64°F
37°F

Wednesday

71°F
43°F

Thursday

74°F
49°F
Wednesday - 4/30/2025
54°F
39°F
12am
43°F
32°F
29.94 hPa
6 mph
S
G: 9 mph
2am
41°F
32°F
29.97 hPa
3 mph
S
G: 6 mph
4am
40°F
32°F
30.00 hPa
3 mph
S
G: 4 mph
6am
40°F
32°F
30.03 hPa
2 mph
NW
G: 6 mph
8am
42°F
32°F
30.06 hPa
2 mph
NNE
G: 5 mph
10am
47°F
32°F
30.06 hPa
2 mph
NNW
G: 7 mph
12pm
51°F
32°F
30.03 hPa
4 mph
WNW
G: 9 mph
2pm
52°F
32°F
30.02 hPa
4 mph
ENE
G: 7 mph
4pm
52°F
32°F
29.99 hPa
3 mph
NNE
G: 8 mph
6pm
54°F
32°F
29.95 hPa
4 mph
N
G: 10 mph
8pm
51°F
32°F
29.98 hPa
4 mph
N
G: 11 mph
10pm
47°F
32°F
30.03 hPa
2 mph
SSW
G: 5 mph

Water Temperature History

Trends for Holter Reservoir

Current Temp

Sign in to view

Latest recorded surface temperature.

Lowest in Period

32°F

On Mar 31

Coldest point in the Last 12 Months.

Average in Period

47°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 (72°F).
  • Coolest avg: January (33°F).
  • Rapid warming often occurs: April → May (+17°F).
  • Sharpest cooling trend: September → October (-10°F).

Weather Forecast

Wind speed and pressure trends

Hourly Wind Forecast

Wind Direction

171°

Pressure

1014 mb

Cloud Cover

40%

Visibility

16 miles

Daily Pressure Forecast

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Frequently Asked Questions About Holter Reservoir

Get accurate, up-to-date information about conditions at Holter Reservoir.