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South Fork Snake River, Idaho - Fishing Report -
20, 2017
There are hatches in almost all sections of the river but they vary greatly from
section to section. Fish are being caught in the canyon section in decent
numbers. Sculpin streamers are getting the larger trout for our customers.

Stream Conditions:

7 Day Weather Forecast:
There is a slight chance of rain from Sunday
through next Thursday. Highs will range from 8
2 to 86 degrees and lows from
1 to 59 degrees.

Recommended Trout Flies:
Rate: 11,500 cfs
Level: 8.61 ft
Afternoon Water Temperature: 54 (middle section)
Clarity: slight stain to almost clear
USGS Real-Time Stream Flow Data At Irwin
Blue-winged Olives: size 16/18, nymph, emergers, duns and spinners
Black Matuka and Olive Matuka Sculpin, size 4/6
Brown Sculpin and White Belly Sculpin, size 6
Western Green Drakes, size 8/10, nymphs, emergers, duns and spinners
Golden Stoneflies, size 10/12, nymphs and adults
Green Sedges, (caddisflies) size 14/16, larva, pupa and adults
Spotted Sedges, (caddisflies) size 14/16, pupa and adults
Little Yellow stoneflies, size 16/14, nymphs and adults
Sandwich Hoppers, size 8-12, brown and green
Carpenter Ants, size 18/16, black
Japanese Beetles, size 16/14
Strategies, Techniques and Tips:
The White Belly and Brown Sculpin streamers are good flies to use for the larger size
trout. The Black Matuka and Olive Matuka sculpin streamers are also good flies to use
for the larger fish.
Blue Winged Olives hatch on warm, cloudy days.
Western Green Drakes are hatching on the lower end.
Golden Stoneflies are hatching.
Green Sedges,or caddisflies, are hatching.
Spotted Sedges, or caddisflies, are hatching.
Little Yellow stoneflies are hatching.
Terrestrials such as hoppers, Japanese beetles and Carpenter ants can be important.
Options For Selecting Flies:
1. Email us (
with the dates you will be fishing this
stream and we will send you a list of our
fly suggestions. Please allow up to 24
hours for a response.

2. Call us 800-594-4726 and we will help
you decide which flies you need.

3. Email us (
with a budget for flies and we will select
them to match the budget and get them to
you in time for your fly fishing trip.

All orders are shipped free in the
U. S. Orders over $50 are shipped via
Priority Mail.  
Fly Fishing South Fork Snake
River, Idaho
A description of the South Fork of the
Snake River, Guide to fly fishing the
South Fork of the Snake River, South
Fork of the Snake River fishing
seasons, and much more