Freestone · Mixed · New Mexico, US

Pecos River (upper)

Pecos River
Today · About as good as it gets
Sculpin Streamer
Forecast · Today
About as good as it gets
On the feed top to bottom — start on the rises with a dry, drop a nymph if they stay down.
90% projected
Today's fly
Sculpin Streamer
Sculpin Streamer
Conditions on the water · Today
Live gauge
Level
Steady
0.83 m
Water temp8.9°C
ClarityClear
Weather7°C
WindN 4 km/h
Pressure1032 hPa
Rain · recent0.0 mm
Rain · ahead0.0 mm

The nearest gauge doesn't record temperatures, so we've estimated it — defer to the river keeper's advice.

Water temperature for Cutthroat Trout
Cool — slow
9°C est.ideal 9–15°C
0°14°28°
How to fish it · for Cutthroat Trout
When
Nymphing can work through most of the day.
Where
Cover mixed depths.
Method
Start with tight-line nymphs and adjust if fish rise or drift higher.
Kit
9 ft #4 rod, floating line, 12 ft tapered leader to 4–5 lb fluoro tippet.
Why this works
Good — water clarity is right today, though time of day could be better.
Likely species
Mayflies
Chironomids
Gammarids
Hatch timeline · todayPeak at 21:00

12:00(now) — Western Blue-Winged Olive

Stage: On emergersApproach: Emerger or dryActivity: 56%
Also:Black Midge46%
Peak emergence window6 food groups active

Peak activity at 21:00 — Brown Dun (Brown Dun, 5 food groups active)

Sub-surface · on the nymphunder the surface

Hatch predictions

Supporters see the full sub-surface read.

Start free trial

14-day free trial. Cancel anytime.

Beyond the hatch · worth watchingambient prey(1)

Hatch predictions

Supporters see what else is on the menu.

Start free trial

14-day free trial. Cancel anytime.

Evidence
Records-basedModerate confidence

Based on species-occurrence records, not local invertebrate surveys.

Through the year
0–3 scale · October highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
2
2
2
2
2
2
2
1
Brown DunHatch
2
3
3
3
3
3
3
2
Western Green DrakeHatch
2
2
Flav (Small Western Green Drake)Hatch
2
3
2
Mahogany DunHatch
2
2

Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.

Ranked for today
Fly box · Cutthroat Trout
SD
Sex Dungeon
2-6 · Pattern
Proven pattern for this period
Permits & access
Permit required — see local rules.
  • Open all year; verify Special Trout Water reaches and native-cutthroat rules against NMDGF
  • A Habitat Stamp is required to fish USFS/BLM land in New Mexico
  • THERMAL / MONSOON / WILDFIRE caution: low-warm summer flows, sudden monsoon colour and forest-closure risk are all live condition drivers — check fire status before travelling.
What's coming
Plan ahead
5-day outlook
Other water nearby · 1
Rio Grande — Lower Box / Racecourse (Pilar)
60 km
84
Brown trout · Rainbow trout · Cutthroat trout
Gallery · 2
  1. Pecos River
  2. Terrain map of the venue
    Terrain map
Water quality · US Clean Water Act
  • Aquatic life: Impaired
What this classification means

EPA ATTAINS assessment unit 'Pecos River (Alamitos Canyon to Jack's Creek)' (NM-2214.A_002), 2024 Integrated Report. Aquatic Life use: Not Supporting. Listed impairment causes: Temperature, Cause Unknown Impaired Biota. This is a Clean Water Act assessment-unit classification (the US analogue of WFD), not a live reading.

Status is for the Clean Water Act assessment unit covering this reach.

EPA ATTAINS (Clean Water Act) · NM-2214.A_002

The full read · show the working · for Cutthroat Trout · confidence 75%
How the 73 is built — score × weight = contribution
Temperature80 × 28%22.4
Flow80 × 22%17.6
Clarity85 × 18%15.3
Feeding Time45 × 13%5.9
Pressure75 × 7%5.3
Insect activity59 × 12%7.1
Conditions total= 74
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Prey activitymodelled from regional profilemodelled
What would change the calculation
The dawn and dusk windows score higher than the midday lull.
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Trout 1 January → 31 December
Related guides
Euro Nymphingsubsurface methods
Booking & contacts