Upper Snake / Eastern Idaho · Covers Aug 26–Sep 2
Big Lost River
Low, clear water makes the Big Lost accessible but demands stealth and smart timing. Fish the morning window hard when Tricos and small mayflies are active.

Idaho · Thursday, September 3
Know more about the water and the fish. Do better by both.
Updated Aug 26 · 7 regions

South Central Idaho
Big Wood River
Low, clear flows on the Big Wood require attention to temperature swings and careful presentation as fall hatches begin to show.
1 cfs ↓

Salmon Region
Salmon River
Low flows and warm water shape the week ahead on the Salmon. Plan early sessions and focus on hatches like hoppers and caddis.
3,410 cfs ↓

South Central Idaho
Silver Creek
Cooler weather and clear water at 93 cfs are improving Silver Creek after summer doldrums. Tricos, Baetis, and Callibaetis should keep you busy through early September.
93 cfs

South Central Idaho
South Fork Boise River
The South Fork is holding at 814 cfs with prime 59-degree water—excellent wade fishing before flows drop in early September. Pinks, Baetis, caddis, and craneflies are working; Flavs, King Prince, and Rubber Legged Stones are solid patterns.
37 in Idaho
Teton RiverUpper Snake / Eastern Idaho · 73 mi · yellowstone cutthroat, rainbow
Silver CreekSouth Central Idaho · 26 mi · rainbow, brown
M.F. Salmon RiverSalmon Region · 106 mi · westslope cutthroat, rainbow/redband
Kelly CreekNorth-Central Idaho · 17 mi · westslope cutthroat, bull trout present/protectedIdaho, as of this morning
134
named waters
236
gauges, every 15 min
769
mapped access sites
Waters by type
2,320
listings statewide
0
paid placements
30
local report sources
Who's listed
sums to 2,320
What outfitters offer
125 of 197 outfitter profiles
32
species covered
15
native to Idaho
68°
our stop-fishing line
Species by group
sums to 32
Trout
8
Bass & panfish
4
Carp & minnows
4
Salmon & steelhead
3
Char
3
Catfish
2
Perch & walleye
2
Whitefish & grayling
2
Pike & muskie
2
Sturgeon
1
Burbot
1
Origin
31 of 32 classified
33
hatches tracked
609
water × hatch windows
52
rivers with windows
Hatch activity by month
windows open, not windows starting
Busiest in July, with 404 windows open. Quietest in January, with 27.
Hatches by type
sums to 33
Mayflies
12
Stoneflies
4
Caddis
3
Terrestrials
3
Damsels & dragons
2
Crustaceans
2
Baitfish
2
Mammals
1
True bugs
1
Midges
1
Aquatic worms
1
Amphibians
1
All seven CDFW regions, gauge by gauge and hatch by hatch, to the same standard as Idaho. Tell us which ones you fish and you’ll be among the first anglers in California with live water intel in your pocket - the flows, temps, and bugs you need to decide where to go before you load the truck.
No other email, ever.

Statewide conditions
236 gauges tracked · read 12m ago
Weathernear South Fork Boise River
Set a home base and this reads the weather where you fish.
Set locationFlows8 of 11 blue ribbon gauges · cfs, change over 3 days
All gaugesSet a home base and this panel becomes the waters nearest you.
Set location