Montana Fishing Reports

MT FWP Fishing News is raising flags about the summer ahead: low snowpack and a hotter-than-normal forecast have prompted the agency to host a virtual townhall on protecting Montana's fisheries, and FWP recently launched the TroutCast tool alongside USGS to help track drought impacts on blue-ribbon rivers. On the water, USGS gauge 06043500 on the Yellowstone at Corwin Springs clocked 1,200 cfs on June 16, notably lower than typical mid-June runoff peaks, a direct reflection of that lean snowpack. The silver lining: clearer, lower water tends to improve wade access and dry-fly visibility before summer heat sets in. Meanwhile on the Missouri side of the region, Canyon Ferry Reservoir is drawing targeted management attention from MT FWP, which is encouraging walleye anglers to keep the small fish they catch so larger fish can grow with less competition. Both fisheries are worth a look this week before temperatures climb.

6h ago

Pale Morning Duns are the signature event that Montana trout anglers plan their June calendars around, and Flylords Mag recently dedicated a full feature to fishing the PMD hatch on Montana spring creeks, a reliable signal that the Bitterroot's best dry-fly season is at or near its peak. No real-time USGS flow or temperature data was available at report time; anglers should verify current gauge readings before wading, as late snowmelt can push the Bitterroot above safe wading levels into mid-June in some years. Field & Stream's 2026 trout temperature guide is worth bookmarking: cutthroat and brown trout begin showing heat stress above 65°F, making early-morning and evening sessions the smart play as summer advances. On Flathead Lake, broader western drought coverage from Wired 2 Fish offers useful context; Flathead's glacier-fed basin tends to hold cooler, more stable temperatures than the lower-elevation reservoirs currently making regional headlines.

1d ago

MT FWP Fishing News issued a timely management reminder this week: walleye anglers on Canyon Ferry Reservoir should keep more of the smaller fish they catch. Fewer small walleye in the system means less competition for the fish that remain, giving the size class room to grow. The Canyon Ferry fishery, which has hosted walleye since 1989, continues to draw consistent angler pressure. The larger story heading into summer is drought. Per MT FWP Fishing News, the agency is convening a virtual townhall to address top fishery concerns as recent rains provide brief relief but fail to offset a winter of low snowpack. The agency's summer outlook calls for hotter and drier conditions than normal, a stress scenario for blue-ribbon trout rivers throughout the Yellowstone and Missouri drainages. FWP's new TroutCast tool, launched June 1 in partnership with USGS and Montana State University, now offers drought-impact forecasts for Montana's most storied trout waters. No real-time gauge readings are available for this report; check local conditions before heading out.

1d ago

Water at 55°F on the Flathead drainage (USGS gauge 12372000, June 12) parks westslope cutthroat and rainbow trout squarely in their productive feeding range heading into mid-June. The 23,100 cfs flow reading signals a strong snowmelt surge still loading into Flathead Lake, keeping the northern inflow turbid and colored — conditions that push wade-fishing pressure toward sheltered tributary mouths, back-eddies, and the cleaner reaches of the Bitterroot drainage to the south. Flylords Mag recently published a detailed walkthrough of the PMD emergence on Montana spring creeks, noting that mid-June is exactly when this hatch becomes the day's dominant event on clearer water. Field & Stream's trout temperature guide confirms fish are metabolically active and willing to move for a fly at 55°F. On Flathead Lake itself, mackinaw (lake trout) hold in deeper water and remain accessible via trolling while surface conditions settle.

4d ago

MT FWP launched TroutCast on June 1, 2026, a new drought-forecasting tool designed specifically for Montana's blue-ribbon trout rivers, signaling agency-level concern about the season ahead. On the Yellowstone drainage, USGS gauge 06043500 recorded a flow of 1,340 cfs on June 12, reflecting the below-average snowpack MT FWP cited in its virtual townhall on top summer fishery concerns. The agency warned that low snowpack combined with a hotter-than-normal forecast creates elevated risk to trout populations, and said it has a suite of protective tools ready to deploy. On the Missouri side, MT FWP is encouraging walleye anglers on Canyon Ferry Reservoir to keep more of their smaller fish, noting that reduced competition will allow larger fish to grow. Mid-June typically marks the onset of reliable PMD and caddis hatches on both drainages. Conditions remain fishable now, but the window is tightening and morning sessions are the clear sweet spot.

4d ago

MT FWP Fishing News is calling on Canyon Ferry Reservoir anglers to keep more of the smaller walleye they land — with fewer juveniles competing for food, the reservoir's larger class has more room to grow. Canyon Ferry is actively producing fish, and the bite is worth targeting. On the Yellowstone side of the drainage, USGS gauge 06043500 logged 1,550 cfs on June 10, consistent with early-summer runoff conditions; water temperatures were not available from the gauge. MT FWP flagged this week that a below-average snowpack and a hotter, drier-than-normal summer forecast are raising concerns for the state's blue-ribbon trout rivers — the agency held a virtual townhall to outline management tools in response. A new USGS-partnered drought-forecasting platform, TroutCast, launched June 1 and is now publicly available for anglers to track conditions on key drainages. Time trout sessions early while water temperatures remain tolerable.

6d ago

USGS gauge 12372000 recorded 24,900 cfs and 57°F on the evening of June 9, confirming the Flathead drainage is at or near peak snowmelt runoff — typical for early June in western Montana. High, turbid water on the main-stem rivers makes wading difficult and rewards those floating bank-side seams over those who wade. The 57°F reading is the more encouraging number: trout feed actively wherever conditions allow. Flathead Lake stands out as the region's clearest opportunity this week, offering stable and accessible water for lake trout on deep structure and bass staging along south-end rocky points — both grounded in classic June seasonal patterns at this temperature range rather than a specific bite report. On the tributary side, spring creeks and spring-fed side channels hold the best dry-fly prospects. Flylords Mag recently featured PMD hatch technique on Montana spring creeks; with mid-50s water temps, pale morning dun emergences are right on the seasonal cusp heading into mid-June.

6d ago

USGS gauge 12372000 on the Flathead River recorded 29,100 cfs and 57°F as of June 8 — peak snowmelt conditions for northwest Montana in early June. Those elevated flows are pushing trout tight to bank structure, back eddies, and tributary mouths on the Bitterroot and its feeders; visibility in the main channels is likely off-color until runoff moderates. No specific on-the-water shop or guide reports from Flathead Lake or the Bitterroot Valley surfaced in this update cycle, so conditions here reflect gauge data and seasonal patterns typical for this region. On Flathead Lake, the large water volume buffers turbidity better than the river corridors, and lake trout are holding at fishable mid-depths ahead of the summer thermocline lock-in. Yellow perch and smallmouth bass are active along rocky shorelines as lake temps push through the mid-50s. Flylords Mag notes improving trout populations on the Big Hole River in southwest Montana — an encouraging read on the broader state fishery heading into summer.

Jun 9

MT FWP Fishing News is urging Canyon Ferry Reservoir anglers to keep smaller walleye this season, a sign the bite is on and biologists see an opening to reduce competition and grow larger fish. USGS gauge 06043500 is logging 1,670 cfs as of June 8, a moderate regional flow that aligns with the low-snowpack winter MT FWP has publicly flagged. The agency is hosting a virtual townhall to discuss summer fishery protection tools, warning of hotter and drier conditions ahead despite recent statewide rains. A new USGS-partnered platform, TroutCast, launched June 1, 2026, lets anglers and managers forecast drought impacts on Montana's blue-ribbon trout rivers in real time: a resource worth bookmarking before your next wade trip. Flylords Mag also reports that trout populations on the Big Hole River are improving after years of documented decline, offering a note of optimism heading into what may be a challenging season.

Jun 9

The Yellowstone River gauge (USGS 06043500) was reading 1,810 cfs on June 8, with no water temperature data available; carry a thermometer and check conditions before wading. The defining story this week comes from MT FWP Fishing News, which has issued a drought warning for the season: low snowpack this past winter and a summer forecast trending hotter and drier than normal have managers convening a virtual townhall to roll out protective tools for trout populations statewide. MT FWP also launched TroutCast on June 1, an interactive drought-forecasting model built specifically for blue-ribbon rivers. On the Missouri, Flylords Mag profiled Headhunters co-founder Mark Raisler, who has stopped fishing nymphs with clients entirely in favor of more participatory techniques, a notable shift from one of the river's most experienced guides. Paddlefish season is underway with a new tagging system per MT FWP: no more colored plastic tags, and requirements now mirror big game harvest rules.

Jun 8

USGS gauge 12372000 recorded 33,900 cfs at 57°F on June 7, a classic peak-runoff reading for western Montana heading into mid-June. Those flows push river trout tight to protected structure: undercut banks, deep back-eddies, and slower side-channels where fish can hold without fighting the main current. The Bitterroot's wade-fishing windows narrow considerably at this stage, and wading should be treated with serious caution. Flathead Lake, by contrast, is largely insulated from the river's runoff pulse and remains the better near-term option for anglers targeting westslope cutthroat and lake trout (mackinaw) in clearer water. Flylords Mag highlights June green drake hatches as one of fly fishing's marquee events, but on turbid runoff rivers the surface bite will likely lag until flows recede. Gink and Gasoline's recent primer on weighting nymphs is well-timed: punching a heavy rig to the bottom is the most consistent river approach this week.

Jun 8

The Yellowstone River is flowing at 1,860 cfs at USGS gauge 06043500 as of June 6, a level that signals runoff has largely passed and tips the river toward its summer wade-fishing window earlier than typical. That low reading reflects the broader story on Montana's blue-ribbon waters: a below-average snowpack winter followed by a summer forecast calling for hotter, drier conditions than normal. MT FWP Fishing News is sounding an early alert, hosting a virtual townhall on fishery protection and releasing TroutCast, a new drought-impact forecasting tool launched June 1. "Despite recent rains around the state, the summer heat is rapidly approaching," the agency notes. On the Missouri, Flylords Mag spotlights a notable guide shift: Headhunters Fly Shop co-founder Mark Raisler has moved away from nymphing entirely, favoring presentations that keep anglers active rather than passive. Paddlefish season is underway; per MT FWP, new tagging procedures now mirror big game requirements, so verify the rules before harvesting.

Jun 7