Strong air moving over the water all day, with a loud WSW wind through the trees with pressure dropping. Whatever swims in Shonkin Lake should be near the first drop-off and weed lines. A tough forecast; the night offers the only real chance. One good spot fished well beats five fished quickly.
The bites are poor now
Night
Shonkin Lake stands in Chouteau County, Montana. Around the bank it is mixed forest. Roughly 498 acres of surface: treat each bay as a water in its own right. With 4.2 miles or so of shoreline, boat anglers cover ground the bank cannot. Across our Montana listings, few waters are bigger. Fort Benton lies 12 miles from the water. Further out sit Malmstrom Air Force Base (32 miles) and Great Falls (37 miles). There is no boundary nearby to worry about.
The records we hold are silent on depth, so plan to find it yourself. A natural lake fishes on cover, and cover here means weed and timber. Where the bottom changes texture, fish gather; find that line. Open biodiversity records for Chouteau County list rainbow trout, northern pike and walleye. Read it as a county summary, not a water-by-water list. Read Shonkin Lake for ten minutes before the first cast goes out.
The seasonal spread runs 22°F to 67°F. The year runs cold to warm and back, with clear transitions. Ice-out usually falls in late March, and the weeks after it fish hardest. Climate averages put the opening at about late March and the closing near early December. The first weeks of open water and the last are the ones to plan for. Shonkin Lake runs to its own calendar within the local pattern.
Who may fish here is not settled in anything we hold. Records list it as a natural water body rather than an impoundment. Mapping shows an empty shoreline: no ramp, no jetty, no marked entry. A small crankbait along the drop and a worm in the thick stuff cover the bass. State or provincial rules still apply whatever the bank status. Access can change hands, so last year's answer may not hold. For a change of water, Sand Lake is 2.4 miles distant. Confirm before you fish Shonkin Lake.
25%
The bites are poor 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 |
| 7.4 | 7.2 | 9.3 | 8.8 | 10.7 | 11.7 | 10.8 | 11.8 | 14.3 | 17.1 | 17.9 | 20.1 | 23.1 | 23.4 | 23.6 | 24 | 23.3 | 20.4 | 15.2 | 11.8 | 9.7 | 8.1 | 8.9 | 8.9 |
| 61° | 61° | 61° | 59° | 62° | 63° | 64° | 63° | 65° | 67° | 71° | 74° | 76° | 77° | 78° | 78° | 78° | 77° | 74° | 70° | 67° | 64° | 62° | 58° |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 29.71 | 29.69 | 29.66 | 29.63 | 29.61 | 29.57 | 29.55 | 29.52 | 29.5 | 29.5 | 29.49 | 29.48 | 29.46 | 29.45 | 29.43 | 29.4 | 29.39 | 29.38 | 29.38 | 29.39 | 29.41 | 29.43 | 29.45 | 29.47 |
| 36 | 36 | 36 | 38 | 33 | 32 | 29 | 31 | 29 | 28 | 25 | 24 | 23 | 21 | 20 | 19 | 19 | 19 | 21 | 24 | 26 | 29 | 31 | 34 |
Sam
AI Fishing Assistant for Shonkin Lake
Morning
Afternoon
Evening
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time
Best bite time