Pecos River water or watershed scenery in New Mexico
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Fly fishing report · Southwest

Pecos River

Is Pecos River worth the trip today? Check flow, weather, hatches, access, and rules for New Mexico before you go.

See the flow chart ↓

Photo: Ken Lund from Reno, Nevada, USA Opens in a new tab. · CC BY-SA 2.0

Good day to fish?Latest river check
Caution

Maybe. Read the cautions first.

Best option: Wade. Wading is in play only where your chosen access has clear footing, legal entry, and no forced crossings.

See update time and confidence
Live data checkHighHow much of the live flow, weather, and alert data came back.
Today's callMediumWater temperature not verified; do not use this score to clear warm-water risk.
Score calculated Aug 22, 2026, 8:45 PM MDTUsually checks again about every 45 minutes
Best access methodWade

These scores compare the risks of wading, bank fishing, and floating.

Wade · Best fit54/100

Wading is in play only where your chosen access has clear footing, legal entry, and no forced crossings.

Bank / edgeNot recommended

This report does not recommend bank fishing on this reach.

FloatNot recommended

This report does not recommend floating this reach.

Your plan

Today's Pecos River plan.

The Pecos is a long river, but this report is focused on the upper canyon trout water. Check flow and closures first, then fish pocket water and shaded runs with a compact fly box.

Check first
Use the near-Pecos gauge before choosing a reach or wading plan.
Try
Fish upstream with short casts so the first drift through each pocket is clean.
Leave when
Skip the canyon when runoff is pushy, monsoon stain cuts visibility, wildfire or flood closures are active, water is warm, or the plan depends on park water without a reservation.

Live river check

What the river is doing

Check the latest flow and weather before you go. A quick change can make the river harder or less safe to fish.

Showing the latest stored river check while current readings load.
Flow
45 cfs
From the latest stored river check. Open the official source for the newest reading.
Air now
72°F

Current NWS forecast period

Next 24h high
83.0°F

NWS air forecast near

Rain chance
23%

For this forecast period

This is an air forecast, not a river-temperature reading. Check the water with a stream thermometer before fishing in hot weather.

Latest stored weather check

Isolated Showers And Thunderstorms

Isolated Showers And Thunderstorms

Wind
5 mph
Weather checked

Recent flow chart is loading

The latest stored reading is shown above. Check the official source below if you need the newest value now.

More forecast and source details
National Weather Service

Upper Pecos River near Pecos

The National Weather Service forecast is temporarily unavailable.

Live data

Where these readings come from

RiverReports gauge: Pecos River near Pecos

How to fish it

How to fish Pecos River today.

The upper Pecos is best when runoff has dropped, monsoon storms have not blown out clarity, and water stays cold enough for trout. If fire closures or hot afternoons are in play, pick a safer plan.

01

Clear and moderate

Fish dry-droppers, pocket nymph rigs, and small attractor dries.

02

Runoff high

Stay out of pushy current and wait for safer, clearer edges.

03

Monsoon stain

Fish protected banks with darker nymphs or small streamers, or wait for clarity.

04

Summer warmth

Fish early, carry a thermometer, and stop trout handling when water warms.

Fishing words used on this page
U.S. Geological Survey (USGS) gauge
A USGS gauge is an official river station that measures flow or water height.
Cubic feet per second (cfs)
Cubic feet per second, or cfs, shows how much water passes the gauge each second.
Nymph
A nymph is a young water insect. Anglers also use the word for a fly that copies it.
Tailout
A tailout is the shallow, slower water at the lower end of a pool.
Attractor fly
An attractor fly is bright or bold. It draws a strike without copying one exact insect.
Blue-winged olive (BWO)
Blue-winged olives, or BWOs, are small mayflies that often hatch in cool or cloudy weather.
Caddis
Caddis are small water insects. The adults look a little like tiny moths.
Dry-dropper
A dry-dropper rig has a floating fly with an underwater fly tied below it.
Emerger
An emerger copies an insect as it rises from below the water toward the surface.
Indicator
An indicator is a small floating marker that can show when a fish takes an underwater fly.
Why this call

Why this score

FlowUse caution

USGS shows 45 cfs. The flow has been rising about 97% over about 6 hours. USGS marks this reading provisional and may revise it. USGS records for this date (1920-2025, 99 readings) show a median near 76 cfs and the lower quartile near 53 cfs; today's flow is below normal for the date. This is below normal, so edge depth, temperature, and pressure matter.

Short-term weatherUse caution

The forecast has storm or heavy-precipitation risk, so timing and access matter more than the score alone.

Best mode nowUse caution

Wade: Wading is in play only where your chosen access has clear footing, legal entry, and no forced crossings.

SeasonHelps

Late summer: Terrestrials and morning water matter, but monsoon storms can change clarity fast.

WeatherHelps

The current NWS air forecast is about 72F, and the next 24-hour high reaches about 83F. Isolated Showers And Thunderstorms.

Trip notes

Trip notes

Check these before you choose a reach.

Best flows

Use RiverReports and USGS 08378500 near Pecos as the main trend for upper-canyon planning, then check monsoon rain, runoff, road status, and reach access before fishing.

When to leave

Skip the canyon when runoff is pushy, monsoon stain cuts visibility, wildfire or flood closures are active, water is warm, or the plan depends on park water without a reservation.

Local plan

Check the near-Pecos flow, New Mexico rules, NMDGF updates, park access requirements, and weather first, then fish short precise drifts through shaded pocket water and pool tails.

Backup water

If the Pecos is high, muddy, closed, warm, or crowded, compare the Cimarron, Chama, or San Juan based on whether a freestone or tailwater plan fits better.

What to try

Pecos River flies through the year.

Match the time of year, then let rising fish and current speed guide the next change.

SeasonWhat to look forFlies to try

Each fly name opens its matching Fly Box guide.

Access and safety

Pecos River access and rules.

Use these places as starting points. Open the access link below and check posted signs before you park or enter. New Mexico rules include Special Trout Water, winter trout, and section-by-section notes in the Pecos drainage. Check the current NMDGF rule book, and follow NPS reservation rules if fishing Pecos National Historical Park.

Pecos and NM 63 area

Main planning area for upper canyon access and campgrounds.

Terrero to Cowles

Classic upper river context near public land and pocket-water trout reaches.

Pecos National Historical Park

Reservation-only fishing program. Do not assume open walk-in access.

Check wildfire, flood, and road status before driving into the canyon.

Some attractive banks are private or reservation-controlled. Confirm public access before fishing.

The Pecos can be crowded near campgrounds, so a flexible reach plan helps.

Compare another river

If this water does not fit the day, check another report before you start the drive.

River sources

Official Pecos River sources.

Official agencies and primary river operators come first. Secondary tools are labeled so you know what carries the most weight.

How this report was checked

How this report was checked

Trip guidance checked

What was checked: This report is maintained from current regulation, access, flow, weather, and public planning sources so anglers can make better trip decisions than a raw gauge or generic overview would allow.

Live measurements and forecasts keep their provider timestamps. Rules, access, and trip guidance use the source-review date shown here. BlueStreamFly planning advice is editorial interpretation, not an agency notice.

First-hand experience: BlueStreamFly does not claim a first-hand visit or local field test for this report unless a real contributor is explicitly named and linked.

See all 8 checked sources

Rules and closures

Check what is allowed, where the rule applies, and whether the river is open.

Flow and weather

Check the latest river reading and forecast before you leave.

Access and land

Check public entry points, land rules, and seasonal access changes.

More helpful links

Use these links for stocking, safety, and other local details.

Source check is old. Last checked . Open the official links now and check for changes.

See something wrong? Report a source problem. Please do not send private spots or private access notes.

Quick answers

Quick Pecos River answers.

What should I check first before fishing the Pecos River?

Check the near-Pecos gauge, canyon weather, wildfire/road status, NMDGF rules, and NPS reservation requirements if visiting the park.

Are there special fishing rules on the Pecos River?

Yes. Rules vary by reach and season, including Special Trout Water and park-specific rules.

What flies should I bring for the Pecos River?

Bring the hatch-chart flies, a small nymph box, and a few streamers. Then adjust for water temperature, clarity, pressure, and the insects or baitfish you actually see.

Can I wade the Pecos River?

Often yes in the upper canyon, but runoff, storms, and private boundaries can make a reach a poor choice.

When should I skip the Pecos River?

Skip it when flows are unsafe, water is too warm for trout, emergency closures are active, or legal access for the reach is not clear.