FishCondishYellowstone Lake, WY Fishing Report & Live Conditions
Yellowstone Lake, WY fishing report
Yellowstone Lake sits at roughly 7,700 feet elevation, which compresses the season and keeps water temperatures cold well into summer. The lake's native and stocked cutthroat trout are the primary draw, and they dominate the fishery in ways most lowland lakes simply don't see — don't expect largemouth bass, smallmouth bass, walleye, chain pickerel, catfish, or panfish here, as Yellowstone Lake supports almost none of those species. What you will find is a world-class cutthroat fishery that peaks in late June through August along the shoals and tributary mouths, with fish staging near drop-offs in deeper water as surface temps climb through midsummer.
Wade the inlet streams and work shallow rocky shoals at first light using small elk hair caddis, parachute adams, or lightly weighted hare's ear nymphs. Cutthroat hold tight to the transitional edges where wind-driven currents push insects against shoreline structure — learn to read the foam lines and work parallel to the drop-offs rather than casting into deep open water. Streamer patterns like woolly buggers in olive or black produce well when trout are running deeper mid-season. Water temps above 65 degrees push fish off the shallows into cooler structure, so plan your most productive sessions early morning or on overcast days when surface temperatures moderate.
Yellowstone Lake, WY river flow
The closest active USGS gauge to Yellowstone Lake, WY is Yellowstone River at Yellowstone Lk Outlet YNP (site 06186500), about 8.1 miles away. It drains roughly 995 square miles. Flow is the single best predictor of where fish sit in moving water, so it is worth knowing what normal looks like before you read today's number.
In July, this gauge typically runs about 3,890 cfs.
| Month | Median flow |
|---|---|
| Jan | 375 cfs |
| Feb | 385 cfs |
| Mar | 450 cfs |
| Apr | 524 cfs |
| May | 976 cfs |
| Jun | 3,720 cfs |
| Jul | 3,890 cfs |
| Aug | 2,000 cfs |
| Sep | 1,100 cfs |
| Oct | 729 cfs |
| Nov | 597 cfs |
| Dec | 463 cfs |
Median flow from the USGS daily-statistics record. For the live flow, gage height, water temperature, and today's fishing score, open the Yellowstone Lake, WY dashboard.
What's biting near Yellowstone Lake, WY
The species most likely to be feeding the drop-offs, shoals, and shoreline: largemouth and smallmouth bass, trout, walleye, chain pickerel, catfish, and panfish. FishCondish grades every hour of the day for Yellowstone Lake, WY and gives each species its own bite forecast, so you can see which window is worth fishing before you load the truck.
Yellowstone Lake, WY fishing FAQ
What fish can you catch at Yellowstone Lake, WY?
The species bite forecast for Yellowstone Lake, WY covers what's likely feeding there, including largemouth and smallmouth bass, trout, walleye, chain pickerel, catfish, and panfish — and updates with the live conditions.
What's the best time of day to fish Yellowstone Lake, WY?
Dawn and dusk are usually the most productive windows on the drop-offs, shoals, and shoreline, particularly when the barometric pressure is steady or falling. FishCondish grades every hour of the day so you can pick the best one.
When is the best season to fish Yellowstone Lake, WY?
Spring and fall are typically strongest on the drop-offs, shoals, and shoreline as water temperatures sit in the productive range, with summer fishing best early and late in the day. It varies year to year, so check the live conditions before you head out.
How do I know if it's a good day to fish Yellowstone Lake, WY?
FishCondish combines wind, water level, water temperature, pressure trend, and moon phase into a single 1–10 fishing score for Yellowstone Lake, WY, updated in real time — a quick go/no-go read before you make the trip.
Fishing tips for Yellowstone Lake, WY
New to these waters? Start with these beginner-friendly guides: