Livingston / Paradise Valley
Yellowstone River
Live Conditions
Yellowstone River — At Corwin Springs
7-Day Flow
→ Stable
24-Hr Pressure
25.62 inHg · → High/stable
Local Weather
Tough conditions — fish deep
Today
☀️Clear sky
69° / 34°
Tomorrow
☁️Overcast
73° / 41°
Thu
🌧️Rain
70° / 46°
0.06"
Fri
🌦️Drizzle
82° / 57°
0.04"
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.
9.4
Time of Day
Using: 1,710 CFS · 55.9°F · Hopper season continuing early month. BWOs returning
What should I pack?
Rod, flies, tippet, and safety gear specific to today's Yellowstone River conditions.
🪰 Hatch Calendar
Yellowstone River · September · Early Fall
🟢 Active now at 55.9°F water
Select month
Hopper season continuing early month. BWOs returning (size 18-20). Mahogany Duns (size 16-18) late month. Cooling water, active fish, fall colors through Paradise Valley. Best dry fly month after summer crowds thin.
🟢 Active · 🟡 Approaching · ⚪ Seasonal only
River Map
About Yellowstone River
Longest free-flowing river in the lower 48 — undammed from Yellowstone Park through Paradise Valley to the plains. Wild Yellowstone Cutthroat, browns, and rainbows in classic riffle-pool freestone water.
Regulations
Standard Montana trout regulations apply on the Yellowstone; native Yellowstone Cutthroat are the species of concern, and catch-and-release is strongly encouraged for wild cutthroat. Montana fishing license required. Verify current regs at fwp.mt.gov before fishing.
Learn More
Guides to help you fish Yellowstone River with more confidence.
Montana Fishing Regulations for Fly Anglers
Montana's Conservation License prerequisite and AIS pass, the third-Saturday-in-May to November 30 general stream season, blue-ribbon special regs on…
Trout Species of Montana
Montana's six salmonids and how to tell a harvestable brown from a release-required cutthroat or a protected bull trout. Missouri and Yellowstone…
Seasonal Guide to Montana Fly Fishing
Montana rivers are a completely different game each season — Salmonfly in late May, PMD and caddis in July, technical Trico on the Missouri in…