Colorado fishing reports
147 reports for Colorado — what's biting, water temps, and where to focus.
South Platte, Arkansas Trout Anglers Beat the Heat as Drought Deepens
Pat Dorsey Fly Fishing is calling the 2026 water year one of the worst droughts Colorado has seen in decades, worse by some measures than the lean years of 1975-78, 2002, 2012, 2018 and 2020. That reality is shaping every report coming out of the South Platte and Arkansas drainages this week. Cutthroat Anglers is urging anglers to carry a stream thermometer and stop fishing once water hits 68°F, noting trout are pushed toward cooler, oxygenated water earlier in the day as flows drop statewide. The upside: Cutthroat Anglers' Matt Campanella notes low water has concentrated fish into fewer holding areas, so the trout that remain are grouped up and still willing to eat for anglers willing to hike farther or downsize tippet. On the tying bench, AvidMax's Fly Tying Tuesday lineup leans hard into small midge patterns like the Chocolate Foam Back and Jigged CDC PT Tungsten, exactly the tailwater staples this bite calls for.
Record-Low Flows Push Colorado's Trout Into Tighter Pods
Colorado's rivers are running about as low as anyone in the business can remember, and it's reshaping how anglers need to approach the water this month. Pat Dorsey Fly Fishing (CO) calls the 2026 drought possibly the worst on record for the state, a read echoed by Cutthroat Anglers (CO), which reports a genuine record-low water year and is urging anglers to carry a thermometer and stop fishing once water hits 68°F. On the Colorado River between Glenwood Springs and Rifle, Crystal Fly Shop (CO) notes a CPW voluntary full-day closure remains in effect with flows holding near 2,000 cfs. The upside, per Cutthroat Anglers' Matt Campanella: fish haven't vanished, they've concentrated. Low water has pushed trout into fewer, deeper pockets, and anglers willing to hike farther or downsize leaders are still finding grouped-up, catchable fish across the drainage.
South Platte Trout Demand Early Starts as Drought Grips Tailwaters
Our South Platte gauge (USGS 06701900) logged 184 cfs early this morning, a modest read for early August, but the tailwater stretches upstream tell a tougher story. A post on The Fly Fishing Forum described the Upper South Platte and Dream Stream as running historically low, with water above Spinney near 8 cfs and temperatures hitting 74-76°F, warm enough that the poster urged anglers to fish elsewhere. That lines up with what South Platte-area shops are seeing: Pat Dorsey Fly Fishing calls 2026 one of the worst droughts on record for Colorado, and Cutthroat Anglers is telling clients to stop fishing once water hits 68°F to protect stressed trout. AvidMax's Fly Tying Tuesday crew keeps turning out small tailwater midge patterns built for exactly these low, clear, technical conditions. Expect early starts, light tippet, and careful catch-and-release handling to matter more than usual on the South Platte and Arkansas systems this week.
Low, warm rivers push Colorado trout anglers toward mornings and tailwaters
Colorado's freshwater fisheries are running lean under what Pat Dorsey Fly Fishing calls one of the worst droughts on record, and it's reshaping where trout are worth chasing. Crystal Fly Shop reports a CPW full-day voluntary closure on the Colorado River between Glenwood Springs and Rifle, while the upper Crystal River above Redstone is fishing low, clear and cold — "some of the best fishing of the summer" per the shop. The Roaring Fork is dropping and clearing across its gauges, pushing fish off the banks and prompting downsized fly patterns. Cutthroat Anglers is urging anglers to stop fishing once water hits 68°F to protect stressed trout, and reports on the Upper South Platte/Dream Stream corridor (corroborated by both the drought commentary and the 68°F guidance) put water at 74-76°F with voluntary closures in place there too. Best bets right now: cold tailwaters, high-elevation stretches, and early mornings before the heat sets in.
Low, warm water pushes South Platte and Arkansas trout to dawn and dusk
Colorado's record-low water year has South Platte and Arkansas tailwater anglers adjusting the clock rather than the fly box. Cutthroat Anglers (CO) is telling clients to bring a thermometer and quit once water hits 68°F, a threshold this drought summer is reaching earlier in the day than normal. Pat Dorsey Fly Fishing (CO), whose home water sits on the South Platte tailwater system, has called 2026 among the driest years on record for the state. Trout Unlimited's reporting on drought and native trout across the Rockies and Southwest echoes the same picture: low snowpack, drying reservoirs, and hoot-owl-style closures showing up on coldwater rivers this summer. No live buoy or gauge telemetry returned for this region today, so treat those numbers as regional context, not an on-water reading. The practical takeaway from every shop report: fish early mornings and evenings while water stays cool, and lean on midges.
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.