Montana · river

Blackfoot River

Flow now

NF Blackfoot R ab Dry Gulch nr Ovando MT, 2 mi from the river.

157cfsat build, Nov 12, 12 PM MT

090179Oct 12Nov 11

The typical week here, from 9 years of record: 122 cfs to 154 cfs, around 135 cfs.

Also gauged at Blackfoot R ab Nevada Cr nr Helmville MT: 183 cfs, Nov 12.

Snowpack

0.1 in of water in the snow at N Fk Elk Creek and 2 more stations, against a median 0.7 in for the date (14 % of normal).

The snowpack here usually builds from Nov 3, peaks Apr 13 and is gone by May 17; runoff follows the melt.

The season, November

Usually workable this week. Pick your window and fish it well.

  • Midgessizes 18 to 22
  • Small eggs and worms
  • Pheasant tail and zebra midge nymphsunder an indicator

Typical for the week over 9 years: 122 to 154 cfs. Running 157 cfs today, inside that range. Flows are not forecast; check the gauge the day before.

Brown Trout are spawning (October to December). Stay off clean, light-coloured gravel in riffle tails and pool tailouts, and leave paired fish alone.

Brook Trout are spawning (September to November). Stay off clean, light-coloured gravel in riffle tails and pool tailouts, and leave paired fish alone.

Mountain Whitefish are spawning (October to December). The egg bite behind spawning whitefish is the best winter nymphing of the year: an egg pattern below the riffles.

  • Egg patterns in the runs below the spawning gravel, never on it.

Written by the app's rules engine from the calendar, the gauge record and the snowpack, not by hand, so it says only what the data says. The weather for the week comes with the app.

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Flows from the U.S. Geological Survey, snowpack from the NRCS SNOTEL network, text from Wikipedia (CC BY-SA 4.0). Built Nov 12.