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Cache la Poudre

Freestone · canyon mouth to Stove PrairieClass 2Fishing Well
92

○ Live fetch unavailable — showing sample data

315 cfs
Flow
47°F
Water temp
40.664, -105.224
Location · USGS gauge
80–400
Ideal flow · cfs
Conditions · water 44–49°F

RUNOFF NOW IN THE REAR-VIEW — canyon mouth ~315 cfs (St. Peter's current, down from ~326/~361/~506), Fort Collins ~44, N. Fork below Seaman ~2 · St. Peter's: 'runoff is in the rear view mirror, so the bugs are out in great numbers and the fish are eating as many as they can. Water is clear.' PMDs & Green Drakes on the humid parts of the day; Golden Stones & Yellow Sallies hatching all day; caddis thick in the evening

Strategy

UPGRADED to Fishing Well — St. Peter's (7/1): 'Runoff is in the rear view mirror, so the bugs are out in great numbers and the fish are eating as many as they can.' Poudre ~315 cfs at the canyon mouth, Fort Collins ~44 cfs, water clear. PMDs and Green Drakes come off during the more humid parts of the day; Golden Stoneflies and Yellow Sallies hatch consistently throughout the day; caddis come off thick in the evening. Golden Stones peaking around bridge riffles. Fish caddis, Yellow Sally and PMD dries early and late; larger Green Drake and Stonefly patterns midday. Best window: EARLY MORNING before the heat. Higher tributary sections yield even better clarity. Today (Wed) is hot and sunny (~92°F Fort Collins, breezy, patchy smoke possible); fish early and verify the gauge before driving up.

Detailed report

UPGRADED to Fishing Well: St. Peter's (7/1) calls runoff 'in the rear view mirror' — canyon mouth ~315 cfs, Fort Collins ~44, clear water, bugs out in great numbers and fish eating hard. PMDs & Green Drakes on humid stretches of the day; Golden Stones & Yellow Sallies hatching consistently all day; caddis thick in the evening; Golden Stones peaking at bridge riffles into early July. Caddis/Yellow Sally/PMD dries early & late; bigger Green Drake/Stonefly patterns midday; dry-dropper (foam stone + caddis/PMD/green drake dropper) still productive; streamers consistent. Big foam patterns — Chubby Chernobyl Pteronarcys #6, Juicy Stone #4, Stone Bomb #8, DB Peacock Stone #6, EC Caddis Olive #14. NRCS 2026: S. Platte basin well below median, record-low snowpack year (runoff came and went early). Best window: early morning before the heat; higher tributary sections yield even better clarity. Verify gauge before driving up.

Report: St. Peter's Fly Shop (Fort Collins) / Rise Beyond Fly Fishing · July 5, 2026 (St. Peter's, re-confirmed) · St. Peter's staff + RMA Poudre Rock Report + Rise Beyond

Fly-shop reports

1 shop report on Cache la Poudre

Reports are pulled live from each shop when you open this river. Shop wording varies — tap through for the full, original report.

Fishability Score breakdown

How today's 92 is built. Flow 35% · Water temp 25% · Weather 20% · Hatch 20%.

Flow100/100
Water temp100/100
Weather76/100
Hatch match82/100

Weather & hatch are placeholder factors until wired to live sources.

What to throw — by time of day

Morning
Dawn – 11am

Pat's Rubber Legs (big), Tungsten Stone #10, Tungsten Pheasant Tail #16, San Juan Worm #14, salmonfly nymph #8-10

MiddayNOW
11am – 5pm

Heavy dry-dropper Chubby Chernobyl #6–10 → big stone nymph, sculpin/Woolly Bugger swung, salmonfly dry #6-8 (lower Poudre)

Evening
5pm – dark

Black Woolly Bugger, Sculpin pattern, fish slow seams in low light

Species
Brown · Rainbow · occasional Cutthroat
USGS gauge 06752000

Seasonal hatch report

In season now

Fall — BWOs & Streamers

Cooling water wakes the fish up. Blue-Winged Olives return on grey afternoons, and pre-spawn browns chase streamers hard.

Morning
Dawn – 11am
Hatching
Midges · BWO nymphs · Trico (early fall)
Flies
Pheasant Tail #18, RS-2 #20, Trico spinner #24
Rig
Nymph deep; streamer the banks early for aggressive browns.
Afternoon
NOW
11am – 5pm
Hatching
Blue-Winged Olives · October caddis (freestone)
Flies
BWO dun #20-22, Parachute Adams #20, October Caddis #10
Rig
Overcast = dry BWOs; otherwise swing/strip streamers for browns.
Evening
5pm – dark
Hatching
BWO spinners · Streamer window
Flies
Sculpin/Woolly Bugger #6-8, RS-2 #20
Rig
Strip big flies through frog water at last light for the biggest fish.
Source: Hatchwise Seasonal Guide · updated Jul 5, 12:00 PM MT. General seasonal patterns — verify against a current local shop report before you go.

Sources & last updated

SourceFeedsMost recent update
USGS 06752000 Cache la PoudreSample data — no live reading
Hatchwise Seasonal GuideHatch & fly guidanceJul 5, 12:00 PM MT · editorial
St. Peter's Fly Shop Shop fly reportLive — see report

Live flow & water temp come straight from the USGS Instantaneous Values service; timestamps are the gauge's own reading times (Mountain Time).