A sharp, clear morning turning into a bright day, with an easy breeze from the S and the barometer on the way down. Today suits Brown trout hunting along inflow corners and shaded margins on Holter Lake. The forecast backs the stretch from night into morning. Ride the conditions while they last.
The bites are excellent now
Night
Morning
Holter Lake sits within Lewis and Clark County in Montana. The ground round it is pine and birch. Around 5.7 sq miles of open water: conditions change from one end to the other. Among the waters listed for Lewis and Clark County, none is wider. You are 17 miles from Helena Valley Northwest. The nearest city of size is Billings, 183 miles away. There is no boundary nearby to worry about.
121 ft is what our records show. Rip-rap along the wall holds fish that the open bank never does. Look for where the old bank line still shows under the surface. County-wide records name rainbow trout, sockeye salmon, brown trout and yellow perch. Some of the species recorded here are protected or tightly regulated, so check what may be targeted before you fish. Fish Holter Lake to its features, not to its size.
The warm month here averages 66°F; the cold one sits at 24°F. A solid cap is the normal state through winter. Count on hard cover from midwinter, and open water from late March. On average, late March opens the water and early December closes it again. Early summer and early autumn carry the open-water season. Plan any trip to Holter Lake around it.
Public ownership means the bank is normally open to anglers. You can launch from a ramp around half a mile away. A pier half a mile from here gives a platform over deeper water. Light line and small metal for the trout; a fly rod earns its place on calm evenings. Season dates differ by species, so read the table. Close seasons apply to some species and not others. Upper Holter Lake sits 9.6 miles off and takes the overflow. Confirm before you fish Holter Lake.
81%
The bites are excellent now
| 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| 4.5 | 4.6 | 4 | 4.2 | 3.6 | 3.5 | 2.8 | 3.8 | 2.8 | 3.4 | 3.5 | 4.1 | 4.6 | 5.5 | 5.2 | 4.2 | 4 | 4.4 | 4.8 | 5.2 | 5.6 | 6.3 | 6.6 | 6.6 |
| 35° | 34° | 34° | 33° | 33° | 32° | 31° | 31° | 32° | 36° | 41° | 45° | 48° | 50° | 51° | 52° | 50° | 46° | 42° | 41° | 39° | 38° | 37° | 37° |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 29.98 | 29.99 | 29.98 | 29.98 | 29.98 | 29.99 | 30 | 30.01 | 30.02 | 30.01 | 30 | 29.99 | 29.96 | 29.93 | 29.93 | 29.91 | 29.93 | 29.93 | 29.96 | 29.98 | 29.97 | 29.97 | 29.97 | 30.01 |
| 75 | 78 | 80 | 81 | 80 | 80 | 81 | 80 | 79 | 73 | 66 | 57 | 53 | 49 | 45 | 43 | 48 | 54 | 60 | 63 | 66 | 66 | 67 | 70 |
Sam
AI Fishing Assistant for Holter Lake
Afternoon
Evening
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time