Hebgen Lake

Flow now

Madison River bl Hebgen Lake nr Grayling MT, 7 mi from the lake.

641cfsat build, Nov 12, 11 AM MT

The typical week here, from 10 years of record: 695 cfs to 897 cfs, around 818 cfs.

Water temperature at the gauge: 47°F.

Also gauged at Madison River near West Yellowstone, MT: 303 cfs, Nov 12.

Snowpack

1.3 in of water in the snow at Carrot Basin and 2 more stations, against a median 2.5 in for the date (52 % of normal).

The snowpack here usually builds from Oct 8, peaks May 3 and is gone by Jun 24; 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: 695 to 897 cfs. Running 641 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

• Big Sky Anglers West YellowstoneWebsiteFishing report, updated Nov 11
• Blue Ribbon Flies West YellowstoneWebsiteFishing report, updated Nov 9

Nearby waters

• Madison River30 mi
• Gallatin River45 mi
• Ennis Lake49 mi

Every Montana water