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 327 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: 327 CFS at the Near Parshall (unverified) gauge.

Williams Fork River Fly Fishing Conditions

Live Conditions

Williams Fork River — Near Parshall (unverified)

CFS Only

327CFS

Discharge

4.09ft

Gauge Height

—

Water Temp

Updated 1 hr agoCondition thresholds not yet defined for this gaugeView on USGS ↗

7-Day Flow

↓ Falling

RisingFallingStable

24-Hr Pressure

22.49 inHg · → High/stable

Falling (good)RisingHigh/stable

Local Weather

73°FOvercast

Wind 4 mph22.49 inHg Low & stable

Tough conditions — fish deep

Today

☁️

Overcast

85° / 53°

Tomorrow

🌦️

Drizzle

92° / 53°

0.02"

Mon

☁️

Overcast

88° / 62°

Tue

🌦️

Drizzle

87° / 56°

0.02"

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: 327 CFS · PMDs mid-morning

What should I pack?

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

🪰 Hatch Calendar

Williams Fork River · July · Summer

Full calendar →

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

Select month

JanDec

PMDs mid-morning (size 16-18). Caddis evenings. Terrestrials mid-day. Williams Fork in July has almost no competition — most Grand County anglers are on the Colorado River or Blue. Consistently productive.

PMDCaddisTerrestrials

River Map

Loading map…

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.