Paradise Valley, Montana

Yellowstone River Hatch Report

Yellowstone River | Paradise Valley, Montana | Updated Oct 28, 2026, 7:00 AM MDT | Station: Yellowstone River near Livingston, MT

Dead drift your nymphs through deep runs and slow seams where trout hold in cold water.

Forecast timing & sources
Forecast generated
Oct 28, 2026, 7:00 AM MDT
Valid until
Oct 29, 2026, 7:00 AM MDT
Source updated
Oct 28, 2026, 7:00 AM MDT
Flow observation
Stale observation · Oct 28, 2026, 6:00 AM MDT
Water temperature observation
Stale observation · Oct 28, 2026, 6:00 AM MDT

Buggin combines river and weather signals into a fishing forecast. A rating is model guidance, not a catch guarantee. Observation times can differ from forecast generation.

Configured gauge: Yellowstone River near Livingston · 06192500. The forecast point may differ from the gauge location.

Open in BugginFull Forecast

Today's Read

Clear morning weather and slightly off-color water mean trout will hug the bottom and feed primarily on subsurface nymphs and midges. Focus your efforts on the slower pockets where fish conserve energy.

Bugs & Best Matches

What's active
Fish this
BWOs, size 16 to 18, Midday (10:00 AM–2:00 PM)
Sparkle Dun, size 16 to 18, dry; Pheasant Tail, size 16 to 18, nymph; RS2, size 16 to 18, emerger
Midges, size 18 to 22, Midday (10:00 AM–2:00 PM)
Zebra Midge, size 18 to 22, nymph; Thread Midge, size 18 to 22; Juju Midge, size 18 to 22
Caddis, size 14 to 16, Midday (10:00 AM–2:00 PM)
Czech Nymph, size 14 to 16; Elk Hair Caddis, size 14 to 16, dry; Caddis Pupa, size 14 to 16, nymph
Stoneflies, size 8 to 12, Morning (6:00 AM–10:00 AM)
No matching fly supplied
Terrestrials, size 12 to 14, Afternoon (2:00 PM–6:00 PM)
No matching fly supplied

How Fish Respond To This Hatch

  • Clear morning weather and slightly off-color water mean trout will hug the bottom and feed primarily on subsurface nymphs and midges. Focus your efforts on the slower pockets where fish conserve energy.
  • Dead drift your nymphs through deep runs and slow seams where trout hold in cold water.

Current Conditions

Flow1,620 cfs and falling
Water TempUnavailable
WeatherClear Night
Rating6/10 · Fair