Daily River Forecast

Yellowstone River

Paradise Valley, Montana

Yellowstone River | Paradise Valley, Montana | Updated June 15, 2026 | Station: Yellowstone River near Livingston

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How To Fish It

  • Cover inside bends, seams behind gravel bars, and the slow edge beside heavier center-river current.
  • A bigger lead fly with a smaller mayfly trailer is the simplest way to find fish before surface activity starts.
  • If bugs appear, move to protected slicks and side channels where trout can rise without fighting the main current.

Bugs & Best Matches

What's active
Fish this
Blue-winged olives, size 18-20, midday to afternoon
Parachute BWO, size 18-20, dry
Midges, size 18-22, sheltered water in the morning
Pat's Rubber Legs, size 6-8, nymph
March Browns, size 12-14, sporadic midday in softer runs
Worm pattern red or pink, size 8-12, nymph
General subsurface
Lightning Bug, size 16-18, nymph; Pheasant Tail, size 16-18, nymph; March Brown Cripple, size 12-14, dry

Current Conditions

FlowMainstem volume is higher than the trout rivers around it, but side channels and softer inside bends stay very workable in spring.
Water TempWater is still cold enough that feeding windows tighten around the warmest part of the day.
WeatherWind changes the whole river. Stable clouds are better than bright sun or hard gusts.
Rating6/10

Today's Feeding Pattern

Yellowstone fish are spread out more than they are on the smaller spring creeks and tailwaters, so the game is finding softer holding water inside a big river. Browns and rainbows sit on current breaks off the main push and slide shallow when baetis start drifting. They are rarely as selective here as they are on the Missouri or Bighorn, but they do want flies near the bottom before the hatch gets going.

About The Yellowstone River

The Yellowstone is the longest undammed river in the lower forty-eight and the heart of Montana float-fishing culture through Paradise Valley. It is broad, mobile, and changes with every weather push, which is why reading current speed is more important here than reading a single seam.

Wild rainbow, brown, and cutthroat trout are the main draw. The river is famous for streamer eats, hopper season, and strong mayfly windows, but spring fishing often comes down to disciplined nymphing mixed with opportunistic dry-fly shots.

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