Teton County
Snake River
Live Conditions
Snake River — Below Jackson Lake Dam
7-Day Flow
→ Stable
24-Hr Pressure
23.61 inHg · → High/stable
Voluntary Catch-and-Release Advisory
Water temperature is at or above 65°F. At these temperatures trout are physiologically stressed and have a higher post-release mortality rate. Consider waiting for cooler conditions — early morning or evening — or choosing a tailwater with regulated temperatures.
Local Weather
Tough conditions — fish deep
Today
☁️Overcast
90° / 43°
Tomorrow
☀️Clear sky
84° / 44°
Mon
☀️Clear sky
74° / 54°
Tue
☀️Clear sky
77° / 50°
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.
4
Time of Day
Using: 5,730 CFS · 66.7°F · Hopper season peak
What should I pack?
Rod, flies, tippet, and safety gear specific to today's Snake River conditions.
🪰 Hatch Calendar
Snake River · August · Late Summer
🟢 Active now at 66.7°F water
🟡 Approaching — within 5°F of trigger range
Select month
Hopper season peak (size 8-12) — Snake River cutthroat HAMMER hoppers. PMDs continue. Caddis evenings. Best dry fly month on the Snake. Iconic Wyoming fly fishing.
🟢 Active · 🟡 Approaching · ⚪ Seasonal only
River Map
About Snake River
Iconic freestone river flowing through Grand Teton National Park. Home to the native Snake River Finespotted Cutthroat trout.
Regulations
Standard Wyoming trout regulations apply in the Jackson Hole section; Snake River finespotted cutthroat is the target species. Sections inside Grand Teton National Park may carry additional NPS rules. Wyoming Game & Fish license required. Verify current regs at wgfd.wyo.gov before fishing.
Learn More
Guides to help you fish Snake River 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…