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 62.5 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: 62.5 CFS at the Near Parshall (unverified) gauge.

Grand County, Colorado

Williams Fork River

CFS Only62.5 CFSBeginner

Live Conditions

Williams Fork River — Near Parshall (unverified)

CFS Only

62.5CFS

Discharge

2.49ft

Gauge Height

—

Water Temp

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

7-Day Flow

→ Stable

RisingFallingStable

24-Hr Pressure

22.41 inHg · → High/stable

Falling (good)RisingHigh/stable

Local Weather

72°FOvercast

Wind 13 mph22.41 inHg Low & stable

Tough conditions — fish deep

Today

☁️

Overcast

73° / 42°

Tomorrow

☁️

Overcast

76° / 40°

Fri

☁️

Overcast

77° / 50°

Sat

☁️

Overcast

78° / 51°

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?

One call. Specific to today's exact conditions on the Williams Fork River.

Time of Day

What should I pack?

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

🪰 Hatch Calendar

Williams Fork River · June · Early Summer

Full calendar →

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

Select month

JanDec

⚠ Runoff season — check live gauge before driving

Caddis (size 14-16) active. PMDs possible (size 16-18). Post-runoff surrounding watershed improves water clarity throughout the valley. Good small-stream dry fly fishing beginning.

PMDCaddis

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