Missouri River

Flow now

Missouri River bl Hauser Dam near Helena MT, 22 mi from the river.

2,720cfsat build, Nov 12, 12 PM MT

The typical week here, from 10 years of record: 3,320 cfs to 4,260 cfs, around 3,820 cfs.

Also gauged at Prickly Pear Creek near Clancy MT: 25 cfs, Nov 12.

Snowpack

0.5 in of water in the snow at Boulder Mountain and 2 more stations, against a median 2.1 in for the date (24 % of normal).

The snowpack here usually builds from Oct 16, peaks Apr 25 and is gone by Jun 10; 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 10 years: 3,320 to 4,260 cfs. Running 2,720 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.

Fly shops on this water

• Headhunters Fly Shop CraigWebsite
• Montana Troutfitters BozemanWebsiteFishing report, updated Nov 1