Colorado fishing reports
185 reports for Colorado — what's biting, water temps, and where to focus.
South Platte tailwaters steady as fall brown trout push builds
Flows on the South Platte gauge feeding this stretch are running low and holding steady, matching the dry pattern tailwater guides have managed across Colorado's tailwaters all season. Pat Dorsey Fly Fishing has been steering clients toward tailwaters specifically because they hold cooler water longer than freestone rivers in a drought year, and both Pat Dorsey and Cutthroat Anglers have set the same working rule this season: back off once water temperatures climb into stressful territory to protect fish. Tonight's full moon puts low-light dawn and dusk windows ahead of the heat of the day at a premium.
Colorado tailwaters turn technical as low, clear flows hold into fall
Colorado's West Slope tailwaters are running low and clear heading into late September, with Crystal Fly Shop describing fish keyed on small offerings — Rainbow Warriors, Sparklewing RS2s and lingering Tricos on the Roaring Fork, where voluntary closure status has swung on and off through late summer. The Frying Pan remains cold and gin-clear, with a mixed hatch of Green Drakes, PMDs, BWOs and midges keeping fish selective, per the same shop. The Colorado River below Glenwood Springs is still murky and under a voluntary closure after recent monsoon rain, while the Crystal River's upper water stays open and fishing well even as its lower stretch remains restricted. Colorado Trout Hunters notes their migratory Brown Trout push on the Dream Stream has wound down for the season, with fish moving back toward the reservoir.
Colorado tailwaters carry the load as drought lingers
Colorado's dam-managed tailwaters remain the play as the state's drought drags into the second half of September. Pat Dorsey Fly Fishing points anglers toward tailraces below reservoirs while freestone rivers struggle, noting many of those stretches are still fishing well despite the conditions. Cutthroat Anglers, which guides the South Platte headwaters around Summit County, is urging anglers to carry a thermometer and back off once water temperatures climb into territory that stresses trout. Colorado Trout Hunters adds that South Platte tailwater stretches, managed for cooler downstream releases, continue to outfish the freestones this season.
Low Water Keeps Colorado Anglers Watching Closures and Clocks
Regional USGS gauges show a wide spread this week: 1.83 cfs and 60°F on the smallest monitored reach, up to 1,610 cfs and 63°F on the larger stem, with a mid-size gauge running 698 cfs at 65°F. That spread tracks with what Colorado shops are reporting on the ground. Crystal Fly Shop notes the Roaring Fork's closure has been lifted as the river runs low, clear and cool, while a voluntary closure remains in effect on the lower Crystal River and on the Colorado River between Glenwood Springs and Rifle, where recent rain has dropped temperatures but left the water muddy. Pat Dorsey Fly Fishing and Colorado Trout Hunters both continue to frame 2026 as one of the driest years on record for the state's rivers.
Tailwaters Carry Colorado Through a Historic Drought
Pat Dorsey Fly Fishing's latest 'Drought Update' says little has changed since midsummer: Colorado's reservoirs remain scary-low and tailwaters are still the most dependable water left in the state, since dam-controlled flows stay cooler and steadier than free-flowing rivers this deep into a drought year. Colorado Trout Hunters backs that read, pointing to the second-worst snowpack on record and singling out tailraces like the South Platte's Dream Stream as the exception to an otherwise brutal season — the same stretch that has produced strong fall runs of migratory brown trout in past years as fish push up from the reservoir. Cutthroat Anglers is flagging the ethical 68°F cutoff for stressed trout and notes fish are grouped tighter than usual, meaning persistence pays off even when the bite is finicky. Anglers Covey, the Colorado Springs shop closest to the Arkansas River, describes water easing into its late-summer rhythm as temperatures moderate. Midges remain the everyday player across both tailwater systems.
Colorado's Warm-Water Trout Bite Narrows to Cool Morning Hours
Water on the Colorado River sat right at 67°F this morning per our regional USGS gauge (09095500), with flow holding near 1,510 cfs — a reading that lands exactly on the threshold Pat Dorsey Fly Fishing has flagged all summer: stop fishing tailwaters once temps hit 67 degrees, and Cutthroat Anglers (CO) echoes a similar 68°F ceiling for the drainage. That makes early morning the play right now. Crystal Fly Shop's latest reports describe low, clear water on the Roaring Fork and Frying Pan with fish keyed on small stuff — Rainbow Warriors, Sparklewing RS2s, and Tricos on the Fork — while the mainstem Colorado near Glenwood Springs has seen recent closures tied to monsoon-driven mud, with a streamer bite building as things clear. Cutthroat Anglers' HALO citizen-science project is also tracking remote high-alpine lakes this season. Plan around dawn, watch your thermometer, and expect afternoons to push water past safe fishing limits.
South Platte tailwaters hold browns as fall run winds down
Flows on the South Platte tailwater system are holding low near 152 cfs this week, consistent with a drought year both Colorado Trout Hunters and Pat Dorsey Fly Fishing describe as among the driest on record — Colorado Trout Hunters cites the second-worst snowpack in memory, and Pat Dorsey has been tracking record-low water levels since spring. Colorado Trout Hunters' latest report describes a strong fall run of migratory brown trout through the Dream Stream stretch of the South Platte, though the shop notes fish are now dropping back toward the reservoir as that run winds down — worth targeting soon if the window is still open. Cutthroat Anglers notes low, clear water is concentrating fish and rewarding anglers willing to hike farther or downsize tippet. Midges remain the tailwater staple; AvidMax's recent tying features (Chocolate Foam Back, Titan Tube Midge) point toward small, precise patterns. Watch water temperatures closely and back off once readings climb into the upper 60s, per both Pat Dorsey and Cutthroat Anglers.
Migratory browns push into Colorado's Dream Stream as drought lingers
Colorado Trout Hunters is calling it a fantastic fall on the South Platte's Dream Stream, with migratory brown trout pushing up from the reservoir and guides logging strong days on streamers and nymphs. That intel lines up with what Crystal Fly Shop is seeing across the Western Slope tailwaters — the Roaring Fork, Frying Pan, and upper Crystal River are all running low, clear, and cool, with small offerings like Rainbow Warriors, Sparklewing RS2s, and Flashback PTs picking up fish, and Tricos still showing on some stretches. The Colorado River through Glenwood Springs remains under a voluntary afternoon closure after monsoonal rain muddied the flow, though cooler water from the rain has helped. Pat Dorsey Fly Fishing and Cutthroat Anglers both continue flagging 2026 as one of the driest years on record for Colorado, with several stretches still under closures. Tailwaters and early-morning windows remain the safest bet while freestones stay stressed.
Dream Stream's fall brown trout run pushes into South Platte tailwaters
Colorado Trout Hunters is calling this "one of the best runs of migratory fish we have seen on the Dream Stream in quite some time," as lake-run brown trout push up from the reservoir into the South Platte tailwater for their fall spawning migration. It's arriving against a backdrop of sustained drought stress — Pat Dorsey Fly Fishing (CO) has flagged 2026 as among the driest years on record for Colorado's reservoirs, and Cutthroat Anglers (CO) is urging anglers to carry a thermometer and stop fishing once water hits 68°F. That combination is concentrating fish in the cold, stable tailwater stretches below the dams while freestone water struggles. On the fly-tying side, AvidMax Blog (CO) is still turning out midge patterns weekly, a reminder that small bugs stay the bread-and-butter presentation on these tailwaters even with bigger migratory fish in play.
Colorado's drought-stressed rivers still deliver for early risers
Fishing closures have started lifting on parts of the Roaring Fork, where Crystal Fly Shop reports the river running low, clear and cool with fishing much improved over the past week — tiny patterns like Rainbow Warriors, Sparklewing RS2s and Flashback PTs are picking up trout, with tricos showing on the water. The Frying Pan is running low, clear and cold too, and the shop calls the dry-fly fishing there superb on green drakes, PMDs, BWOs and midges, though overlapping hatches make for picky fish that demand 6x–7x tippet. Not every stretch has turned the corner: the Colorado River near Glenwood Springs–Rifle remains under a voluntary closure and running muddy after recent rain, while a lower section of the Crystal River stays closed under CPW order even as the upper river fishes well. Cutthroat Anglers and Pat Dorsey Fly Fishing both describe this as one of Colorado's worst drought years on record, with tailwaters the safer bet as reservoirs and snowpack sit at historic lows.
Fall Brown Trout Run Fires Up on the South Platte's Dream Stream
Fall brown trout are stacking up on the South Platte's Dream Stream, with Colorado Trout Hunters reporting one of the better runs of migratory lake-run browns they've seen in some time pushing up from the reservoir onto that stretch this season. No fresh buoy or gauge readings came through for the South Platte or Arkansas tailwaters today, so plan around what's actually on the water: Pat Dorsey Fly Fishing is still steering anglers toward tailwaters as the safest bet during Colorado's ongoing drought, while flagging that many tailraces are running low and urging anglers to quit once temps hit 67°F. Cutthroat Anglers echoes the same caution statewide, pointing to a record-low water year and asking anglers to stop fishing once flows reach 68°F. On the bug front, AvidMax Blog's latest tying features — a foam-back midge emerger and a tungsten jig nymph — are built specifically for tailwater and stillwater trout, reinforcing that small, subtle patterns are the ticket right now.
Warm, low Colorado rivers push trout bite to first light
USGS gauge 09095500 logged 869 cfs and 67°F this morning — a degree shy of the 68°F mark Cutthroat Anglers (CO) and Pat Dorsey Fly Fishing (CO) both flag as the point to quit fishing and let stressed trout be. Colorado's drought summer has pushed water temps up earlier in the day, per Cutthroat Anglers, and Pat Dorsey calls 2026 among the driest years on record for the state. The upside: Crystal Fly Shop (CO) reports recent monsoon rain has nudged temps down on tributary stretches, with a decent streamer bite building as water cools, though some reaches remain muddy. Where flows have dropped and cleared, Crystal Fly Shop notes fish are keying on small, sparse patterns — tiny nymphs and 6x/7x tippet. Cutthroat Anglers' low-water advice holds true fleet-wide this year: fish haven't left, they've just grouped up and gone selective, rewarding anglers willing to hike farther and downsize gear.