Oregon ·
Rogue River Fly Fishing Report - September 20, 2026

ROGUE RIVER
ReportSEP 20 — 27, 2026
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Flow
1000CFS
ROGUE RIVER AT GRANTS PASS, OR
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Water Temp
62.2°F
Updated 2026-09-19
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Weather
51–91°F
Mostly Clear
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Clarity
Clear
Check post-storm
Flow is running at 1,000 CFS with a gauge height of 0.85 ft at Grants Pass — low, clear conditions that demand precise presentations and lighter tippet. Water temperature is a comfortable 62.2°F, keeping fish active and the salmon bite solid.
What's Working — Hot Flies

Bionic Hopper - Tan #12
#12

Bionic Hopper - Purple #12
#12

Bionic Ant 2.0 - Black #16
#16

Parachute - Blue Wing Olive #22
#22

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

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

Egan's Thread Frenchie Jig - Olive #12
#12

Egan's Frenchie #12
#12

Juju Baetis Tungsten #22
#22

Coffey's CH Sparkle Minnow Sculpin #6
#6

Egan's Silver Bullet - Baetis #14
#14

Top Secret Baetis #16
#16
Hatch Chart
| Insect | Size | Activity | Prime Time |
|---|---|---|---|
| Blue-Winged Olive (Baetis) | #20-22 | Moderate | 10 AM - 1 PM |
| Caddis | #18-20 | Moderate | 6 PM - 8 PM |
| Terrestrials (Hoppers/Ants) | #12-16 | Heavy | 11 AM - 4 PM |
| Midge | #20-22 | Light | 7 AM - 9 AM |
| PMD | #18-20 | Light | 11 AM - 2 PM |
Best Time Window
- 6 AM - 9 AM: Pre-sun nymphing and streamer swings in deep holding lies before the heat builds — best shot at salmon and large trout.
- 10 AM - 1 PM: BWO and PMD hatch window in glassy tailouts; switch to fine tippet and small dries or emergers for rising fish.
- 5 PM - 8 PM: Terrestrial and caddis evening bite along shaded banks and riffled runs — prime dry-fly action as temperatures drop.
Guide's Tip
From the benchWith flows at 1,000 CFS and gin-clear water, fish are spooky — stay low, approach from downstream, and extend your tippet to at least 5X (6X in the tailouts). During the midday heat pushing toward 91°F, focus your dry-fly effort on shaded canyon walls and north-facing banks where terrestrials are falling and fish feel safe looking up. For salmon, work the deeper green-water slots in the early morning before the sun hits the water, swinging a Sparkle Minnow Sculpin on a slow, deliberate swing with a mend to keep it in the zone. As temperatures cool after 5 PM, switch back to caddis dries in the riffled runs — that evening window will be your most productive dry-fly fishing of the day.
Main Species
Steelhead
Chinook Salmon
Coho Salmon
