North Platte River

Flow now

South Platte River Blw Brush Crk Near Trumbull, CO, 23 mi from the river.

92cfsat build, Nov 12, 11 AM MT

The typical week here, from 10 years of record: 81 cfs to 110 cfs, around 92 cfs.

Also gauged at S Clear Cr Abv Lower Cabin Cr Res Nr Georgetown,CO: 7 cfs, Nov 12.

Snowpack

0.2 in of water in the snow at Jackwhacker Gulch and 2 more stations, against a median 1.4 in for the date (17 % of normal).

The snowpack here usually builds from Oct 16, peaks Apr 25 and is gone by May 31; 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: 81 to 110 cfs. Running 92 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

• St. Peter's Fly Shop Fort CollinsWebsiteFishing report, updated Aug 25

Nearby waters

• Bear Creek21 mi
• South Platte River23 mi
• Dillon Reservoir28 mi
• Blue River38 mi
• Gore Creek41 mi
• South Boulder Creek43 mi
• Boulder Creek49 mi

Every Colorado water