What flies are hatching on the Williams Fork River right now?

Current and seasonal hatches on the Williams Fork River include Midge, Blue-Winged Olive, Caddis. Use the AI Hatch Advisor on this page for a live, temperature-aware recommendation.

What's the current flow on the Williams Fork River?

The Williams Fork River is running at 263 CFS at the Near Parshall (unverified) gauge. Readings update every 15 minutes from the USGS Water Services API.

Is the Williams Fork River fishable today?

The primary gauge on Williams Fork River doesn't have a fishability threshold set — CFS is shown for reference only. Current reading: 263 CFS at the Near Parshall (unverified) gauge.

Williams Fork River Fly Fishing Conditions

Live Conditions

Williams Fork River — Near Parshall (unverified)

CFS Only

263CFS

Discharge

3.82ft

Gauge Height

—

Water Temp

Updated 50 min agoCondition thresholds not yet defined for this gaugeView on USGS ↗

7-Day Flow

→ Stable

RisingFallingStable

24-Hr Pressure

22.34 inHg · → High/stable

Falling (good)RisingHigh/stable

Local Weather

47°FClear sky

Wind 4 mph22.34 inHg Low & stable

Tough conditions — fish deep

Today

🌦️

Drizzle

73° / 43°

Tomorrow

☀️

Clear sky

75° / 46°

Fri

☁️

Overcast

75° / 51°

Sat

☁️

Overcast

77° / 50°

Cold front incoming — go deep with nymphs, surface activity likely slow.

Weather by Open-Meteo · No API key · Updated every 30 min

What should I fish today?

⚡ AI

AI-powered recommendation using today's live flow, temperature, and hatch data.

Time of Day

Using: 263 CFS · BWOs returning

What should I pack?

Rod, flies, tippet, and safety gear specific to today's Williams Fork River conditions.

🪰 Hatch Calendar

Williams Fork River · September · Early Fall

Full calendar →

Showing typical dates — water temperature data unavailable for live hatch predictions.

Select month

JanDec

BWOs returning (size 18-20). PMDs tapering. Midges picking up. Fall on the Williams Fork near Parshall — quality browns, empty canyon, Grand County fall colors. The secret stays secret in September.

Blue-Winged OlivePMDMidge

River Map

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USGS Gauge (click for site ID)Fishing Access / SectionScroll to zoom disabled — use map controls

About Williams Fork River

Underrated tailwater below Williams Fork Reservoir near Parshall. Consistent year-round flows, cold water, quality fish — and almost nobody knows about it. Overlooked by anglers driving past to more famous destinations. Verify current CPW access maps before heading out; access is tighter than most Colorado tailwaters.

MidgeBlue-Winged OliveCaddis

Learn More

Guides to help you fish Williams Fork River with more confidence.