Oregon ·
Owyhee River Fly Fishing Report - June 14, 2026

OWYHEE RIVER
ReportJUN 14 — 21, 2026
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Flow
—CFS
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Water Temp
—
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Weather
48–91°F
Mostly Clear
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Clarity
Clear
Check post-storm
USGS gauge data is unavailable for this report — confirm flows locally before heading out; ODFW last reported flows near 156 cfs from the dam as of late May. Sunny skies and building heat (highs 86–91°F) are forecast through Monday, making early-morning and evening sessions critical on this technical tailwater.
What's Working — Hot Flies

Corn-fed Caddis (CDC) Tan #20
#20

Corn-fed Caddis (CDC) Olive #20
#20

Tungsten Split Case Nymph - PMD #20
#20

Stealth Link Mercer - PMD #20
#20

Parachute - Blue Wing Olive #22
#22

Juju Baetis Tungsten #22
#22

Black Zebra Midge (TBH) #20
#20

Higa's SOS - Black #16
#16

Bionic Ant 2.0 - Black #16
#16

Egan's Silver Bullet - Baetis #14
#14

Coffey's CH Sparkle Minnow Sculpin #6
#6

Olsen's Peacock Blowtorch Barbless #22-24
#22–24
Hatch Chart
| Insect | Size | Activity | Prime Time |
|---|---|---|---|
| Caddis (Hydropsychidae) | #16–20 | Active | Afternoon & Evening |
| Pale Morning Dun (PMD) | #18–20 | Active | Midday–Early Afternoon |
| Baetis / Blue-Winged Olive | #20–22 | Moderate | Morning & Cloudy Periods |
| Midges (Chironomidae) | #20–22 | Active | All Day, Peak at Dawn |
| Yellow Sally Stonefly | #14–16 | Building | Warm Afternoons |
| Ants / Early Terrestrials | #16 | Emerging | Midday–Afternoon |
Best Time Window
- Early Morning 6:00–9:00 AM — Midge and BWO activity before canyon sun; best dry fly opportunity of the day
- Midday 11:00 AM–2:00 PM — PMD hatch window; nymphing with split-case and baetis patterns most productive
- Late Afternoon/Evening 5:00–8:00 PM — Caddis and terrestrial activity peaks; surface action resumes as canyon shade returns
Guide's Tip
From the benchWith highs pushing 86–91°F this weekend, the Owyhee's tailwater temps will stay fishable near the dam, but get on the water early — the best dry fly action happens in the first two hours of light before the sun hits the canyon floor. Fish long, fine leaders (10–12 ft, 5X–6X fluorocarbon) and approach rising fish from downstream on your knees; these trout see a lot of pressure and will spook at a heavy footfall. During the midday lull, switch to a tight-line nymphing rig with a tungsten PMD or midge and work the deeper slots — that's where the big browns stack up when the sun is overhead.
Main Species
Brown Trout
Rainbow Trout