Fly fishing report · Pacific Northwest

Snoqualmie River

A lower Snoqualmie report for flow, rain timing, WDFW rules, coho and gamefish cautions, access, weather, and practical fly choices.

Check flow & weather

Today's river scoreHigh source confidence

Good

Best option: Wade.

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

Updated Jul 13, 11:17 PM UTCUsually refreshes about every 45 minutes

Recommended approachWade

Mode scores adjust the river-wide score for the risks of wading, bank fishing, or floating.

Wade · Best fit74/100

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

Bank / edge74/100

Bank and edge fishing remains a practical low-commitment option if access is legal and footing is safe.

FloatCheck

This report does not describe this as a primary mode. Verify legal access, depth, launches, and retreat options before planning around it.

Confirm before you leave

Flow and weather right now.

Use the flow trend to confirm the score before you leave. Weather can change the safest and most productive fishing window.

River strategy

Separate the lower river from the forks.

The Snoqualmie can mean different things to different anglers. This report focuses on lower-river planning below Snoqualmie Falls while reminding anglers that forks, tributaries, coho windows, and gamefish rules may differ.

Use Carnation flow for lower-river trend and flood awareness.
Check WDFW emergency rules because recent changes affected gamefish and salmon opportunity.
Rain can turn soft banks and side channels unsafe quickly.
The forks deserve separate reach checks before using this lower-river advice.

Why this score moved

FlowUse caution

USGS shows 821 cfs with a stable over about 6 hours trend. same-date USGS history (1929-2024, 96 readings) puts normal around 1,870 cfs and the low-water marker near 1,120 cfs; today's flow is unusually low for the date. Low water can make fish spooky, warm, pressured, or concentrated; check temperature and handling risk.

SeasonHelps score

Summer: Lower flows can improve access but may reduce trout-safe options.

WeatherHelps score

The NWS forecast is about 80F with Sunny.

Public alertsHelps score

No active NWS alert was returned for this forecast point.

Fishing usefulnessHelps score

Skip the Snoqualmie when WDFW rules do not clearly support the exact reach and species, when rain pushes the Carnation gauge up quickly, when banks are muddy or undercut, or when the trip depends on applying fork or Tokul Creek assumptions to the lower mainstem.

Read the water

What changes the plan.

The best lower-river days are stable or dropping after rain, with enough clarity to fish edges and a current rule that supports the target species.

Dropping after rain

Best time to look for clarity and safer edges.

Flooding or rising

Skip fishing; lowland banks and wood hazards become serious.

Low clear water

Use stealth, smaller flies, and longer leaders.

Fork planning

Check each fork separately before applying lower-river assumptions.

Field plan

Fish it with intention.

Best flows

Use USGS 12149000 near Carnation as the lower-river trend and USGS 12144500 near Snoqualmie for upstream context. Stable or slowly falling water is the best fit; sharp rain bumps, high water, or poor clarity should move the plan to edge scouting or another river.

When to skip

Local plan

Pick the reach first: Carnation and lower-valley water for the main report, Snoqualmie-area water for upstream context, or the forks only after a separate rule and access check. Then match the fly plan to clarity and legal species.

Backup water

If the Snoqualmie is high, off-color, crowded, or legally unclear, compare the Skykomish for another Snohomish-system rule check, the Sauk for a North Cascades plan, or the Yakima for a more dependable trout-centered day.

Hatches & flies

Bring a flexible box.

TimingWhat to watchUseful flies

March to MayBWOs, midges, Skwalas where present, early caddis, and high-water nymphingBWO emerger, zebra midge, Skwala dry, caddis pupa, stonefly nymph

Reviewed family · report says “BWO emerger”Blue-Winged Olive PatternsBWO describes a hatch group, not one fly. Nymph, emerger, dry, cripple, and spinner profiles must stay separate because they occupy different parts of the water column.See family guide

Reviewed pattern · report says “zebra midge”Zebra MidgeLook for a very slim tapered thread body, evenly spaced contrasting wire rib, a small bead, and no tail or wing. The reviewed classic is black with silver wire and a silver bead. Red, olive, brown, glass-bead, jig-hook, resin-coated, or tailed forms must remain labeled variations rather than replacing the classic identity.See photos & how to fish it + 3 more reviewed guides in the Fly Box

June to JulyCaddis, PMDs, Golden Stones, small yellow sallies, and evening soft hacklesElk hair caddis, PMD emerger, Chubby Chernobyl, soft hackle, perdigon

Reviewed pattern · report says “Elk hair caddis”Elk Hair CaddisLook for a tented elk- or deer-hair wing, clipped hair head, dubbed body, rib, and hackle palmered along the body. The body color should be labeled because tiers often match different natural caddis colors.See photos & how to fish it

Reviewed family · report says “PMD emerger”Pale Morning Dun PatternsPMD names an insect group, not one fly. Pale nymphs, trailing-shuck emergers, upright or low-riding duns, cripples, and spent-wing spinners stay visibly separate.See family guide + 3 more reviewed guides in the Fly Box

August to SeptemberHoppers, ants, beetles, small caddis, and low-light streamer windowsFoam hopper, ant, beetle, X-caddis, olive sculpin, small leech

Reviewed family · report says “Foam hopper”Grasshopper PatternsHopper patterns share a substantial body and long rear-leg impression, but foam, deer hair, wing construction, and waterline differ widely among named patterns.See family guide

Reviewed family · report says “ant”Ant PatternsAnt patterns can be foam, fur-bodied, winged, or sunken. The narrow waist and paired body lobes matter more than one material recipe.See family guide + 4 more reviewed guides in the Fly Box

October to FebruaryOctober caddis, BWOs, midges, eggs where legal, and winter steelhead contextOctober caddis, BWO emerger, midge pupa, egg pattern where legal, intruder

Reviewed family · report says “October caddis”October Caddis PatternsOctober Caddis names a hatch group. Amber or orange pupae, soft-hackle or wet forms, and large tent-wing adults fish at different levels.See family guide

Decide whether you are fishing the lower river or a fork before choosing flies.

Use streamers and soft hackles along edges when clarity is limited but legal fishing is open.

In clearer water, fish smaller nymphs and dries along softer seams.

Avoid side channels with spawning salmonids or redds.

Watch the hydrograph during the day if heavy rain is forecast.

Access & responsibility

Know the entry. Know the exit.

Check WDFW regulations and emergency rule changes before fishing the Snoqualmie, including the exact reach, forks, gamefish seasons, coho rules, and any floating or method restrictions.

Fall City and lower valley

Lower-river access context with rain and private-land awareness.

Carnation gauge reach

Best flow reference for lower-river trend.

Snoqualmie forks

Different rules and character; check separately before fishing.

Transparent sources

Check the facts behind the plan.

Last material review: 2026-06-01

regulationWDFW fishing regulations regulationWDFW 2026 emergency rule changes accessWDFW water access areas regulationWDFW Snoqualmie River and Tokul Creek emergency rule flowUSGS 12149000 Snoqualmie River near Carnation flowUSGS 12144500 Snoqualmie River near Snoqualmie safetyNational Weather Service point near Carnation

Common questions

Before you leave.

What should I check before fishing Snoqualmie River?+

WDFW emergency rules, Carnation flow, forks versus lower river, coho/gamefish status, rain, and access

Which flow should I use for Snoqualmie River?+

Use USGS 12149000 Snoqualmie River near Carnation for lower-river trend and flood context.

Where should I start on Snoqualmie River?+

Start by choosing lower river or fork water, then use public parks, bridges, and WDFW rules to confirm a legal plan.

Can I wade Snoqualmie River?+

Sometimes on low stable edges, but rain rises, soft banks, and wood make aggressive wading a bad idea.