Rock Creek Fishing Report, July 14, 2026
2026-07-14 (July 14, 2026)
Regional summary
Conditions have held their line since last week, but the calendar has quietly turned a corner. The rivers kept dropping and clearing right through the weekend, and the real change is in the bug board: the big stoneflies that carried June are packing up, and the fish are settling into a smaller, steadier summer diet of PMDs, Yellow Sallies, caddis, and the first terrestrials. Salmonflies are gone and Golden Stones are on their way out, still worth a big searching dry but no longer the main event. Every gauge in the valley now reads lower than it did a week ago, so trout are tucked into defined summer lies, seams, riffle edges, shaded banks, and soft inside water, rather than pinned to the flooded margins. The one thing that runs the whole show this week is heat. Morning water is still cool and friendly, but afternoons are climbing into the upper 80s and 90s, so the productive window has slid firmly toward early and late. Carry a thermometer, start at first light, handle fish fast in the warm afternoons, and check Montana FWP for restrictions before every trip, since nothing was posted when the shops filed but a hot stretch can change that overnight.
At a glance: Wade fishing only (float ban in effect July 1 through Nov. 30) | dropping to prime wading, good clarity | ~60°F morning | ~618 CFS near Clinton (live USGS, down from ~947 a week ago) | GH rating: 4/5 (7/10) | Best window: early and late
The creek dropped hard off last week's rain and is settling into prime wading flows, though it is still swift enough that you cannot hop across it and the streambed gets slippery in late summer, so take crossings seriously. Clarity is good, which puts a premium on a drag-free drift. Salmonflies and Golden Stones are handing the lead to PMDs, Green Drakes, Yellow Sallies, and caddis, with drakes best under cloud and the evenings bringing thick caddis and PMD spinner sippers close to dark. Work the riffle corners, boulder pockets, soft inside seams, shaded slots, and the cushions behind heavy rock. Remember this is a boots fishery now: boats are off the creek through November 30, so plan on wading only.
Best techniques
- Dry-dropper is still the most consistent tool: a #8-12 Chubby Chernobyl, Clark Fork Stone, Dancin Ricky, or Fools Gold up top with a #14-16 PMD nymph, Yellow Sally nymph, Frenchie, Jigged Hare's Ear, or purple Perdigon below. Pat's RLs, Twenty Inchers, TJ Hookers, Hot Spot Stoneflies, and big Prince nymphs round out the bench.
- For the Green Drake windows, cloudy and drizzly is the magic weather. In the afternoon, downsize to a Plan B, Stimulator, PMX, Purple Haze, or Brindlechute in #12-16 and hunt risers in the softer seams. When picky fish key on spinners, a Ms. Tickle Cripple or Para-Wulff placed right above them earns the eat.
- Between hatches, strip or swing a Sparkle Minnow, Kreelex, Goldie, Sparring Partner, or a small olive or black streamer through the deeper slots. Kingfisher's Rock Creek regulars always know which mile markers are on; it costs nothing to ask on the way out.
Hatches
Golden Stones still worth a bug up top but fading, PMDs and Green Drakes owning the afternoons, Yellow Sallies steady, and caddis plus PMD spinners running the evenings.
The Fly Box
Nymphs: Pat's Rubber Legs, Twenty Inchers, TJ Hookers, Hot Spot Stoneflies, Frenchies, Split Case PMDs, Jigged Hare's Ears, Perdigons, Pheasant Tails, Green Drake Nymphs
Dries: Chubby Chernobyls, Clark Fork Stone, Dancin Ricky, Fools Gold, Golden Stones, Stimulators, Plan B, PMX, Purple Haze, Brindlechute, Ms. Tickle Cripple, Parachute Adams, Elk Hair Caddis, X-Caddis
Streamers: Sparkle Minnows, Kreelex, Goldies, Sparring Partners, Mini Dungeons, Thin Mints, Woolly Buggers
Outlook. Mostly cloudy with a morning shower chance early in the week, a cooler Tuesday, then warming and mostly sunny into Friday with more storm chances late. If the creek keeps dropping and clarity holds, this is excellent wade fishing, with the best of it early and late as the weekend heat builds.
Sources and Thanks
| Shop | Report date | Coverage |
|---|---|---|
| Kingfisher Fly Shop | July 13, 2026 | All four rivers (freshest) |
| Blackfoot River Outfitters | July 10, 2026 | All four rivers |
| Grizzly Hackle | July 10, 2026 | All four rivers |
| Lightweight Fly Shop | July 5, 2026 | All four rivers, consolidated weekly |
| The Missoulian Angler | June 23, 2026 | All four rivers, background |
