Colorado fishing reports
142 reports for Colorado — what's biting, water temps, and where to focus.
Colorado trout anglers eye early mornings as drought heat squeezes rivers
Our gauge reading came back hot: 78°F water and 1,680 cfs of flow, well above the 68°F threshold Cutthroat Anglers (CO) flags as the point to stop fishing and protect stressed trout. That reading lines up with what shops across the state are reporting. Crystal Fly Shop (CO) notes CPW voluntary closures already in effect on stretches of the Roaring Fork, Crystal, and Colorado Rivers as low, warm water pushes fish into cooler pockets, and flies are being downsized as rivers keep dropping. Pat Dorsey Fly Fishing (CO) has been tracking a drought many consider the worst on record for the state. Anglers Covey Blog (CO) describes the classic "dog days" pattern taking hold, rivers slowing and fish turning lazier through the heat of the day. Bottom line for anglers on Colorado and Arkansas River water: fish early, watch your thermometer, and expect the bite to concentrate into a narrow morning window until temperatures ease.
Low water tests South Platte and Arkansas trout, tricos keep firing
Pat Dorsey Fly Fishing calls the 2026 season one of Colorado's worst drought years on record, following a string of lean-water summers dating back to 1975-78, 2002, 2012, 2018, and 2020, and that scarcity is defining the bite on the South Platte and Arkansas tailwaters this week. Cutthroat Anglers reports more than 60% of the Lower 48 in some level of drought with Western snowpacks at historic lows, but notes the fish that remain are active, grouped up, and ready to bite for anglers willing to hike farther or downsize gear. AvidMax's Fly Tying Tuesday lineup of midge emergers and jigged tungsten nymphs reflects that low-water reality: small, natural, fished slow. Gink and Gasoline's account of a South Platte trico spinner fall is a reminder that dense summer mayfly hatches remain a hallmark of these tailwaters even in a dry year. Cutthroat Anglers also flags the welfare line: stop fishing once water hits 68°F.
Colorado trout push through historic drought on skinny, clear water
Colorado's trout streams are running about as low as anyone can remember, per Cutthroat Anglers (CO), whose late-July dispatch puts the state among more than 60% of the Lower 48 in drought following historic-low snowpack. On the Western Slope, Crystal Fly Shop (CO) has the Roaring Fork at 113 cfs at Aspen and the Crystal River at just 107 cfs at Redstone, both low, clear, and staying cool above Carbondale thanks to elevation and Frying Pan influence. CPW voluntary afternoon closures are in effect on the lower Fork, full-day closures on the lower Crystal, and a full-day voluntary closure holds on the Colorado River through the Glenwood Springs-Rifle stretch. Fish have pushed off the banks and flies are sizing down as flows keep dropping, but Crystal Fly Shop calls the open water some of the best fishing of the summer. Cutthroat Anglers adds that trout stay active and grouped up for anglers willing to hike farther and fish lighter tippets.
Low water sharpens the midge and trico game on CO tailwaters
Historic low water is the story shaping South Platte and Arkansas tailwater fishing right now. Cutthroat Anglers (CO) is flagging 2026 as one of the driest years on record for Colorado, and Pat Dorsey Fly Fishing (CO) notes the current drought may be the worst on record statewide, with thin snowpack pushing water temperatures up earlier in the day than usual. On the South Platte itself, Gink and Gasoline describes the classic dense trico spinner falls firing, with countless spinners blanketing the surface film during morning windows, an ideal setup for small dry-fly and emerger presentations. AvidMax Blog (CO) and Pat Dorsey Fly Fishing (CO) both point anglers toward midge patterns and light tippet as flows thin and fish get selective. Expect trout grouped tighter in deeper, cooler runs as low water persists; per Cutthroat Anglers, anglers willing to hike a little farther to less-pressured water are finding the better action right now.
Drought squeezes South Platte tailwaters as morning tricos still fire
Colorado's 2026 drought is being called the worst on record according to Pat Dorsey Fly Fishing, and low flows are pushing water temperatures up earlier in the day across the state's trout water. Cutthroat Anglers (CO) is urging anglers to carry a thermometer and stop fishing once water hits 68°F, a threshold drought-stressed fish can't afford to cross repeatedly. Trout Unlimited notes wild and native trout across Colorado and the Rio Grande drainage are finding some resilience despite what it calls a summer of reckoning, but the stress on these fisheries is real and cumulative. On the bright side, the South Platte's signature morning trico spinner falls are still firing hard, per Gink and Gasoline, with thick blankets of spinners covering tailwater pools before the day heats up. Colorado Trout Hunters also points to one of the better migratory runs in recent memory on its Dream Stream stretch this past season. Expect early starts, small dries and midges, and a hard stop by midday on the South Platte and Arkansas tailwaters.
Colorado trout retreat to cold tailwaters as drought squeezes freestones
Colorado's freestone rivers are running the drought playbook right now: Crystal Fly Shop (CO) reports a CPW voluntary closure on the Colorado River from Glenwood Springs to Rifle, plus afternoon and full-day closures on stretches of the Roaring Fork and Crystal River as flows keep dropping and water stays low and clear. Cutthroat Anglers (CO) is telling anglers to carry a thermometer and stop fishing once water hits 68°F, calling this a record-low water year. Pat Dorsey Fly Fishing (CO) goes further, flagging 2026 as possibly the worst drought on record in the state, worse than the notable low-water years of 2002, 2012, 2018, and 2020. The bright spot is the Frying Pan tailwater below Ruedi Reservoir, which Crystal Fly Shop says is holding steady in the 40s and keeping PMD, BWO, and Green Drake hatches on schedule. Brown and rainbow trout are still catchable on downsized patterns and light tippet; cutthroat populations need the lightest touch right now.
Low, Clear Flows Reshape the Trout Bite Across Colorado's Rivers
Rivers across Colorado's central mountains have slid into low, clear late-summer flows, with Crystal Fly Shop clocking the Roaring Fork at 113 cfs near Aspen and just 107 cfs on the Crystal River at Redstone. That drop has triggered CPW-enacted voluntary closures the shop is reporting: an afternoon closure on the Roaring Fork (noon to midnight, Highway 133 to the Colorado River confluence) and a full-day closure on the lower Crystal, both aimed at protecting stressed trout as water warms. The upside: Crystal Fly Shop says the remaining 30-plus miles of upper Crystal River are fishing great, with fish holding in colder water. The Frying Pan remains the steadiest bet, running a cool 145 cfs below Ruedi Reservoir with temps parked in the 40s and an afternoon PMD/BWO/Green Drake hatch. Pat Dorsey Fly Fishing (CO) frames 2026 as possibly Colorado's driest year on record, context that tracks with what shops are seeing on the water now.
South Platte tailwaters key on tricos as drought conditions linger
Anglers working the South Platte's tailwater stretches are finding trout keyed on dense trico spinner falls this time of year, the kind of surface-film blizzard Gink and Gasoline has described on this same river, where scooping a hand across the water turns up dozens of spent spinners. Pat Dorsey Fly Fishing flags 2026 as one of the more severe drought years on record for Colorado, echoing lean-water stretches from 2002, 2012, 2018, and 2020, so expect thin, clear flows that make fish spookier and more selective than average. AvidMax's tailwater-tied patterns, from sparse midge emergers to jigged tungsten pheasant tails for Euro-nymphing, reflect the technical, small-fly game these conditions demand. Colorado Trout Hunters' spring Dream Stream report described an unusually strong run of lake-run fish earlier this year, a reminder the South Platte's tailwater fishery remains in good health even under drought stress. With a full moon overhead, plan around early and late light.
Western Slope freestones drop low and clear as CPW closures kick in
Colorado's western-slope rivers are running thin and warm this week. Crystal Fly Shop (CO) reports the Roaring Fork at just 113 cfs at Aspen's Jaffe Park (242 cfs at Basalt, 410 cfs at Glenwood Springs), the Crystal River at 107 cfs near Redstone, and the Colorado River holding near 2,000 cfs at Glenwood Springs. Colorado Parks and Wildlife has responded with voluntary closures on multiple stretches per those same shop reports: a daily noon-to-midnight closure on the Roaring Fork below Carbondale, a full-day closure on the lower Crystal River, and a full-day closure on the Colorado River through Rifle. The one bright spot is the Frying Pan below Ruedi Reservoir, where dam-release water stays in the 40s year-round and afternoon PMD, BWO, and Green Drake hatches keep fish looking up, per Crystal Fly Shop. Pat Dorsey Fly Fishing (CO) frames the bigger picture: 2026 is shaping up as one of the driest years on record statewide.
Colorado trout push to tailwater refuges as heat and drought bite
USGS gauge 09095500 logged 79°F water and 1,690 cfs late Saturday, a reading squarely in the range that's triggering CPW voluntary closures across Colorado's trout water. Crystal Fly Shop reports a full-day closure already in effect on the lower Crystal River and an afternoon closure on the Roaring Fork above Carbondale, with water running low, clear, and warm nearly everywhere except spring-fed refuges. The Frying Pan River is the standout exception: dam-release flows out of Ruedi Reservoir keep water in the 40s year-round, and Crystal Fly Shop notes steady PMD, BWO, and Green Drake hatches through the afternoon. Anglers on The Fly Fishing Forum describe most Colorado streams as done for the summer, a mood Pat Dorsey Fly Fishing echoes, calling 2026 among the driest years on record. Fish small, fish early, and lean on tailwaters for now.
South Platte and Arkansas trout dial in on midges as drought bites
Pat Dorsey Fly Fishing's latest Drought Update calls 2026 one of the worst water years on record in Colorado, putting it alongside the lean stretches of 1975-78, 2002, 2012, 2018 and 2020 that longtime Front Range anglers remember. For South Platte and Arkansas tailwater regulars, that points to low, clear flows and increasingly selective trout rather than a blown-out or off-color river. No fresh buoy or gauge reading came through today, so we're leaning on technique intel: AvidMax Blog's Fly Tying Tuesday features midge emergers like the Chocolate Foam Back and Titan Tube Midge as go-to patterns for tailwaters and stillwaters right now, riding just under the film to match hatching pupae. Gink and Gasoline's classic South Platte trico writeup is a good reminder that trico spinner falls are a signature feature of this stretch each summer, worth building a morning around even outside of direct current-week reporting.
Colorado trout go technical as drought squeezes summer flows
Roaring Fork River is running low and clear at 113 cfs near Aspen (242 cfs at Basalt, 410 cfs at Glenwood Springs), with Crystal Fly Shop reporting flies sizing down as the river keeps dropping and a CPW voluntary afternoon closure in effect from noon to midnight between the Highway 133 bridge in Carbondale and the Colorado River confluence. The nearby Crystal River sits at just 107 cfs at Redstone under a full-day voluntary closure on its lower stretch, though the shop calls the remaining 30-plus miles some of the best fishing of the summer. The Frying Pan holds steady at 145 cfs below Ruedi Reservoir, where dam-controlled water stays in the 40s year-round and afternoon PMD, BWO, and Green Drake hatches keep trout looking up, per Crystal Fly Shop. Pat Dorsey Fly Fishing has flagged 2026 as possibly the worst drought on record for the state, and it shows in these skinny, technical flows. Trout are still eating, but low, clear water demands downsized flies, longer leaders, and an early start.