Owyhee River

May 19, 2026

By Barbless, compiled each morning from the gauges, forecasts and sources on this page.

Owyhee River

Current conditions for Owyhee River · Map, access and gauges

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Flow

28 cfs ↓

Trend

Falling

Observed

152d ago

Hatch Status

Throughout morning and afternoon, expect mixture of Midges, BWOs, PMDs, Baetis, and Callibaetis in the air. Evening PMD spinner fall as sun drops below horizon is when dry fly game turns on.

Conditions

The Owyhee is a standout fishery with warmer-than-normal water temperatures fueling strong hatches throughout the day. Midges, BWOs, PMDs, Baetis, and Callibaetis are active, with the evening PMD spinner fall particularly strong. Fish are in excellent condition but handle with care using a rubber net only. As water temps climb, expect more surface activity and consider targeting cooler riffles to protect stressed fish.

Gauges

Techniques

  • Nymphing has been the most consistent approach throughout bulk of day. Dry fly game turns on during evening PMD spinner fall.

Recommended flies

#18-22 Split Case BWO#16-18 Split Case PMD#18-20 Juju Baetis#18-20 Jig Angel Case PMDSan Juan Worms#18-20 Tungsten Slim Shady#16-20 Flashback Pheasant Tail#20-22 Glass Bead Zebra Midge#16-20 Rusty Spinner#14-16 DOB Caddis#20-22 Hackle Stacker BWO#18 CDC Thorax BWO#16-18 Extended Body PMD#16 Short Wing Emerger PMD#16-18 Hackle Stacker PMD

Safety

Fish are in excellent condition but stressed by warm water. Use a rubber net only and handle carefully. Consider targeting cooler riffles if conditions warm further.