Cody / Clark
Clarks Fork of the Yellowstone
Live Conditions
Clarks Fork of the Yellowstone — Near Belfry, MT
7-Day Flow
↑ Rising
24-Hr Pressure
25.82 inHg · → High/stable
Local Weather
Tough conditions — fish deep
Today
☀️Clear sky
74° / 57°
Tomorrow
☀️Clear sky
75° / 50°
Wed
☀️Clear sky
84° / 55°
Thu
☀️Clear sky
93° / 61°
Cold front incoming — go deep with nymphs, surface activity likely slow.
Weather by Open-Meteo · No API key · Updated every 30 min
What should I fish today?
⚡ AIAI-powered recommendation using today's live flow, temperature, and hatch data.
9
Time of Day
Using: 532 CFS · PMDs continue
What should I pack?
Rod, flies, tippet, and safety gear specific to today's Clarks Fork of the Yellowstone conditions.
🪰 Hatch Calendar
Clarks Fork of the Yellowstone · August · Late Summer
Showing typical dates — water temperature data unavailable for live hatch predictions.
Select month
PMDs continue (size 14-16). Caddis evenings. HOPPER SEASON peak (size 8-12) — Clarks Fork canyon banks produce strong terrestrial fishing. Cool canyon water stays fishable in summer heat.
River Map
About Clarks Fork of the Yellowstone
Wild & Scenic freestone draining the Beartooth Plateau through a dramatic canyon north of Cody. Cutthroat and brown trout in pocket water and pools — a less-traveled alternative to the nearby Shoshone with strong stonefly and hopper fishing.
Regulations
Standard Wyoming trout regulations apply; cutthroat trout are the primary species, and the upper reaches near Crandall may carry catch-and-release rules. Wyoming Game & Fish license required. Verify current regs at wgfd.wyo.gov before fishing.
Learn More
Guides to help you fish Clarks Fork of the Yellowstone with more confidence.
Trout Species of Wyoming — A Fly Angler's Field Guide
Wyoming holds native Cutthroat subspecies found nowhere else on Earth. How to identify Snake River Finespotted, Yellowstone, and Colorado River…
Wyoming Fishing Regulations for Fly Anglers
Licenses, the Conservation Stamp, year-round seasons, no trout stamp, and the river-specific rules that matter on the Grey Reef, Snake, and Bighorn.
How Barometric Pressure Affects Fishing (And How to Use It)
That gorgeous bluebird day after a cold front? Worst fishing of the year. Here's the data behind why pressure changes matter more than the weather…