San Juan
San Juan River
Live Conditions
San Juan River — Below Navajo Dam
7-Day Flow
↓ Falling
24-Hr Pressure
23.86 inHg · → High/stable
Local Weather
Tough conditions — fish deep
Today
🌦️Drizzle
59° / 44°
0.04"
Tomorrow
🌧️Rain
56° / 47°
0.84"
Mon
🌧️Rain
50° / 36°
0.32"
Tue
🌫️Foggy
51° / 32°
Rain in forecast — expect rising, off-color water in 12–24 hrs.
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.
2
Time of Day
Using: 3,160 CFS · 52.2°F · Midges dominant
What should I pack?
Rod, flies, tippet, and safety gear specific to today's San Juan River conditions.
🪰 Hatch Calendar
San Juan River · November · Late Fall
🟢 Active now at 52.2°F water
🟡 Approaching — within 5°F of trigger range
Select month
Midges dominant (size 22-26). BWOs on mild afternoons. Brown trout spawn — streamer fishing peak. Cold but fishable thanks to Navajo Dam releases.
🟢 Active · 🟡 Approaching · ⚪ Seasonal only
River Map
About San Juan River
Gold Medal tailwater below Navajo Dam — one of the West's premier year-round trout fisheries. Big rainbows and browns on technical midge and BWO patterns.
Regulations
Catch-and-release only with artificial flies and lures only in the 3.75-mile special-regs Quality Waters section below Navajo Dam — one of the best tailwaters in the Southwest. New Mexico fishing license required. Verify current regs at wildlife.state.nm.us before fishing.
Learn More
Guides to help you fish San Juan River with more confidence.
Trout Species of New Mexico
New Mexico holds two native trout found nowhere else — Rio Grande Cutthroat and federally threatened Gila Trout — plus trophy browns on the San Juan,…
New Mexico Fly Fishing Regulations
Licenses, the HMAV stamp, the free Gila Trout Conservation Permit, year-round seasons, and the San Juan Quality Waters slot limit that catches…
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…