Colorado fishing reports
142 reports for Colorado — what's biting, water temps, and where to focus.
South Platte tailwaters settle into summer trico rhythm
USGS gauge 06701900 read a steady 197 cfs early this morning, a typical low-water summer base flow for South Platte and Arkansas tailwater fisheries. Pat Dorsey Fly Fishing (CO) is calling 2026 among the worst droughts on record for the state, citing the lowest recorded snowpack in recent memory, so expect thinner, clearer water and fish concentrated in deeper runs and pockets. Classic summer tailwater patterns should carry the day: trico spinner falls have long been a South Platte staple worth timing for mid-morning, a pattern Gink and Gasoline has documented on this river, while midge emergers and pupae stay productive on tailwaters year-round per AvidMax Blog (CO)'s recent tying features. With low, clear flows, expect selective, technical fish that reward fine tippets and precise drifts over searching patterns. Similar drought-driven voluntary afternoon closures have already gone into effect on Western Slope rivers, per Crystal Fly Shop, a reminder to fish early and check current regulations before heading out.
Colorado trout anglers dodge afternoon heat as flows keep dropping
Water is low and clear across Colorado's tailwaters and freestone rivers this week, with Crystal Fly Shop (CO) reporting flies downsizing as flows drop on the Roaring Fork, Crystal, and Frying Pan, and most fish pushing off the banks into deeper runs. Voluntary afternoon and full-day closures are in effect on portions of the Crystal and Colorado Rivers per CPW guidance relayed by Crystal Fly Shop (CO), a conservation response tied to a drought that Pat Dorsey Fly Fishing (CO) calls the worst on record in six decades of Colorado water years. Cutthroat Anglers (CO) is urging anglers to carry a thermometer and quit once water hits 68°F, a real risk as low flows warm faster and earlier in the day. On the South Platte's Dream Stream, Colorado Trout Hunters notes migratory fish still moving through for mobile, walk-in anglers. Early mornings and high-elevation, spring-fed stretches remain the most reliable bite right now.
Drought pushes South Platte, Arkansas anglers to dawn windows
Cutthroat Anglers (CO) is telling South Platte and Arkansas anglers plainly: once water hits 68 degrees, it's time to stop and let the fish rest, since this drought year has pushed river temperatures up earlier than usual. Pat Dorsey Fly Fishing (CO) ranks 2026 among the driest years on record for the state, with snowpack and flows running historically low. That is pushing the bite toward the margins of the day: early mornings still bring trico spinner falls, a South Platte classic noted by Gink and Gasoline, along with midge activity worth matching with slim emerger patterns like AvidMax's Chocolate Foam Back or Titan Tube Midge. Cutthroat Anglers' low-water playbook, credited to guide Matt Campanella, says do not panic: fish are grouped up and still feeding, they just require a longer hike to reach deeper, cooler holding water and a lighter, more patient presentation. Trout stay active but concentrated, and afternoons are the time to rest the water rather than fish it.
Low Flows Push Colorado Trout Bite to Dawn and Dusk
Colorado's mountain rivers are running historically low this week, with Crystal Fly Shop clocking the Crystal River at just 107 cfs at Redstone and the Roaring Fork down to 113 cfs at Aspen's Jaffe Park — thin enough that voluntary closures are now in effect on stretches of both rivers plus a full-day closure on the Colorado River near Glenwood Springs. Cutthroat Anglers is urging anglers to pull lines once water hits 68°F or higher to protect stressed trout. Despite the numbers, fishing remains solid where water stays cold: Crystal Fly Shop reports the upper Crystal River, above the closure, is "fishing great," and the Frying Pan below Ruedi Reservoir holds steady 40-degree water with reliable afternoon PMD, BWO, and Green Drake activity. Matt Campanella at Cutthroat Anglers notes low water hasn't scattered fish, it's concentrated them, rewarding anglers willing to hike farther and downsize tippet.
Drought-thin tailwaters put South Platte trout on a tight window
Colorado's 2026 drought is now the reference point anglers are working around on the South Platte and Arkansas tailwaters. Pat Dorsey Fly Fishing calls the current low-water year the worst on record, edging out prior lean stretches from 1975-78 and 2002, 2012, 2018 and 2020. Cutthroat Anglers (CO) is telling clients the fish are still active and grouped up, but the margin for error is smaller: with over 60% of the Lower 48 in some level of drought and Western snowpack at historic lows, guide Matt Campanella's advice is to hike farther and downsize tippet rather than expect the usual runs to produce on schedule. The shop's broader stance is blunt: once water hits 68°F, stop fishing and let fish rest, a threshold worth checking before a midday session. Rainbow and brown trout remain catchable on small midge patterns as flows thin and clear.
Record drought pushes CO trout into cool tailwater refuges
Water temps below Ruedi Reservoir on the Frying Pan are holding in the 40s even in mid-July, per Crystal Fly Shop, making it one of the few reliable cool-water refuges as Colorado's rivers run historically low. Pat Dorsey Fly Fishing is calling 2026 the worst drought on record in the state, and Cutthroat Anglers is urging anglers to carry a thermometer and stop fishing once water hits 68°F to protect stressed trout. CPW has responded with voluntary closures: an afternoon shutdown on the Roaring Fork above Carbondale, a full-day closure on the lower Crystal River, and a full-day closure on the Colorado River between Glenwood Springs and Rifle. Crystal Fly Shop reports the upper Crystal River, still open, is fishing "some of the best of the summer," with low, clear, cold water pushing fish off exposed banks. Flies are downsizing across the valley as flows keep dropping and fish group up in the remaining cold-water pockets.
Trico hatches carry South Platte trout through a historic drought
Morning trico spinner falls are keeping South Platte tailwater trout dialed in even as Pat Dorsey Fly Fishing (CO) calls 2026 one of Colorado's worst recorded droughts, with snowpack among the lowest on record statewide. Gink and Gasoline's account of the South Platte trico hatch still applies this time of year — thick mats of tiny mayfly spinners collect in the surface film during the morning window, giving technical anglers a reliable bite before the heat builds. Cutthroat Anglers (CO) reports Colorado's rivers are running historically low and warm, and recommends anglers stop fishing once water hits 68°F to protect stressed trout, a real risk on Front Range tailwaters right now. The shop's low-water pro tips note fish remain active and grouped up for anglers willing to hike farther or downsize tippet. On the South Platte's Dream Stream reach, Colorado Trout Hunters continues building a reputation for migratory lake-run browns, though that run is more a spring/fall story than a midsummer one.
Midges and tricos carry South Platte tailwaters through drought lows
Pat Dorsey Fly Fishing's midsummer Drought Update frames 2026 as one of the worst water years on record for Colorado, and that reality is shaping how South Platte and Arkansas tailwater anglers need to fish right now. With snowpack and runoff historically low, Cutthroat Anglers is urging statewide caution: once water hits 68°F, it's time to stop fishing and protect stressed fish. On the technique side, low, clear flows favor small and precise presentations, per AvidMax Blog's midge patterns like the Titan Tube Midge ('deadly in clear water and cold conditions') and the tailwater-tuned Chocolate Foam Back emerger. Morning trico spinner falls, the kind Gink and Gasoline describes happening on the South Platte, remain a reliable summer window for picky tailwater trout. Earlier this season, Colorado Trout Hunters reported one of the better migratory-fish runs in years on the South Platte's Dream Stream, a solid signal heading into the back half of summer.
Colorado freestones turn on as this drought year's runoff fades early
The Colorado River near Glenwood Springs is on the back end of runoff and fishing 'sensational' with 'happy fish,' per Crystal Fly Shop, which also has the Roaring Fork producing on large attractor patterns and Rubberleg Stone nymphs at higher flows out of Aspen and Basalt. The Crystal River is dropping fast toward what the shop calls its best stretch of the year, and the Frying Pan tailwater below Ruedi Reservoir stays low, clear, and reliable with daily BWO hatches and fresh PMDs showing up. All of this lands in what Pat Dorsey Fly Fishing is calling the worst drought on record for the state, a read echoed by Cutthroat Anglers, which points to historic-low Western snowpack pushing runoff out weeks early. The upside anglers are reporting: low water has concentrated fish rather than shutting them down, and those willing to hike farther or downsize tippet are finding grouped-up, actively feeding trout across the freestones and tailwaters alike.
South Platte trico falls turn on tailwater trout despite drought lows
Morning trico spinner falls are back on the South Platte's tailwater stretches, the same hatch Gink and Gasoline once described watching so densely that a single scoop of the hand came up with dozens of bugs. That pattern is holding again this July, and it's arriving during one of the driest years on record. Pat Dorsey Fly Fishing's Drought Update ranks 2026 alongside 2002, 2012, 2018, and 2020 as a historically lean water year for Colorado, and Cutthroat Anglers' low-water tips echo the same story across the state's tailwaters: flows are thin, but the fish that remain are grouped up, active, and catchable for anglers willing to hike a little farther or downsize their tippet. AvidMax's clear-water midge patterns are built for exactly these conditions. Expect technical, low-and-clear fishing on the South Platte and Arkansas tailwaters this week, with the best window right at first light.
Colorado trout dial in as summer flows drop and warm
Afternoon USGS readings on the monitored gauge (09095500) show water pushing to 79°F with flows holding near 1,780 cfs, a classic mid-July low-water pattern across Colorado's trout water. Crystal Fly Shop reports the Colorado River near Glenwood Springs is on the back end of runoff, with green drakes, golden stones, PMDs and caddis all showing, and nymphing rubberleg stones and drake imitations producing well. Cutthroat Anglers is framing the historic low snowpack as opportunity rather than crisis, noting fish are active and grouped up for anglers willing to hike farther and downsize tippet. Pat Dorsey Fly Fishing flags 2026 as among the driest years on record for the state. AvidMax's current tying lineup, including a jigged CDC PT Tungsten and a Callibaetis nymph, matches the technical, low-clear-water game trout are keying on right now. Expect a slower midday and a stronger dawn-and-dusk bite as afternoon temps climb.
Trico spinners and terrestrials take over CO's tailwaters
Flow at USGS gauge 06701900 held near 249 cfs early this morning, keeping South Platte and Arkansas tailwaters in the clear, wadable stage anglers count on through midsummer. Pat Dorsey Fly Fishing (CO) has flagged 2026 as one of Colorado's leanest water years on record, so stretches that run thin later this season are worth watching before wading deep. On the bug front, Gink and Gasoline points to the South Platte's reputation for dense morning trico spinner falls, a summer staple worth timing before the heat builds. Trout Unlimited's latest TROUT Tip leans into that same seasonal shift, noting terrestrials are now crawling the banks and getting eaten as big meals once they blow into the current. AvidMax Blog (CO) has been tying small tailwater midge and Euro-nymph patterns lately, a solid backup when the surface bite goes quiet. We're calling both rainbows and browns Active on light tippet and small profiles.