Fishing Report, May 27

We are closing out May in Montana, and the classic spring roller coaster is still alive and well. While the big valley freestones gave us a brief clearing window during the recent cool-down, the Flathead has jumped back on the rise over the last few days. With the river pushing back up, our local lakes have stepped right back into the spotlight as the most consistent and productive waters around.

How long will this round of runoff last? The smart money says we should see the peak start to taper and things stabilize by the first week of June. That’s our target for now, but May and June are entirely weather-dependent, so we will keep you updated right here as conditions shake out on the water.

Fishing Report, May 27

Fishing Report, Whitefish

Flathead River: Back on the Rise

Status: Muddy & Rising | Flow: 29,000 CFS | Temp: 51°F

Fishing Report, WhitefishThe Flathead has made a massive move, but not in the direction we want. After that brief clearing window during the recent cold front, the sudden spike in valley temperatures has kicked the high-country snowmelt right back into high gear. The river is currently pumping at a heavy 29,000 CFS and climbing. Both the North and Middle Forks are surging with runoff, completely erasing the short window of clarity we had last week.

  • The Reality: We are back to pure “blown out” mud. With the massive volume, heavy turbidity, and floating debris, the main stem is currently off the menu. Based on the current weather patterns, we expect this heavy spring runoff to last until the first week of June before it finally peaks and begins a true drop.

  • The Strategy: Take the big freestone off your radar for now. Don’t waste time trying to force a bite in the mud. With the river completely out of shape, you need to pivot your attention entirely to the local valley lakes—they are currently the most consistent and productive waters around. We will keep you updated right here as conditions shake out and the river finally starts to clear.

Fishing Report, Missouri River

Missouri River: The Quicker Water Shift

Status: Excellent | Flow: 3,260 CFS | Temp: 51°F–55°F

Fishing Report, Missouri RiverWhile the freestones are dealing with the rising mud, the “Mighty Mo” is in absolute prime shape. Flows are 3,260 CFS, and with water temperatures now peaking at a beautiful 55°F, the fish have shifted out of the slow, deep slots. They are actively feeding higher up in the water column and moving into faster water.

  • Targeting the Flats and  Riffles: With temps hitting 55°F, don’t waste your time dredging the bottom of the deep holes. The active fish have moved up into the quicker, mid-depth water and riffle transitions. Shorten up your indicators or lighten your weight to present your bugs right in the mid-column where the fish are suspended and looking to eat. A classic sowbug or scud lead paired with a pmd nymph is the way to stay in the zone.

  • The PMD Subsurface Push: The big news on the river is that Pale Morning Duns (PMDs) are officially starting to wake up, and they love that quicker water. Even though we aren’t seeing blanket hatches on the surface yet, the trout are already highly keyed into the nymphs moving through the mid-column. Make sure you are actively working PMD patterns—like a Split Case, Frenchie, or a Psycho May—into your nymph setups to capitalize on this pre-hatch bite.

  • The Shallow Nymph Game: As the afternoon water temps peak, the fish are aggressively pushing right up onto the gravel bars, flat shelves, and skinny inside edges. We are talking 2 feet of water or less. Shorten your leader way up, drop down to a tiny weight—or ditch the split shot entirely—and drift your bugs through the skinny water. If it looks too shallow to hold a big fish, that’s exactly where they are stacked up and gorging right now.

Guided Trips 

Guided Trips At Montana Fishing Guides, we believe a premier day on the water starts with exceptional service long before you ever step into the boat. From your very first call to the final handshake at the boat ramp, our mission is simple: to provide a safe, educational, and completely unforgettable experience. Whether you are a lifelong angler chasing a new personal best or a family looking to share a fun day outdoors, we have the team, the gear, and the local knowledge to deliver.

Top-Notch Customer Service, Everywhere

We build our entire operation around your convenience. From booking logistics and customized timing to organizing top-tier gear and a great lunch, we sweat the small stuff so you don’t have to. Our office team and on-the-water guides are fully synced to ensure your trip runs flawlessly, adapting in real time to your schedule, preferences, and the shifting Montana weather.

100% Beginner & Family Friendly

You don’t need a lifetime of casting experience to have a banner day with us. We absolutely love teaching and introducing people to these waters. Our guides are remarkably patient, encouraging, and specialized in breaking down the mechanics of the sport without any pressure. Whether you’re a complete first-timer, a child picking up a rod for the first time, or a seasoned pro looking to fine-tune a technique, we tailor the entire day to your exact pace.

Our phone is on 24/7—call 406-233-9001 to book your next trip with the crew!

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