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Idaho · Yellowstone · the Madison

Fly fishing reports from the guides and shops on the water.

Every report with the flows the day it was written. Today's gauges below.

Latest reports Today on the water

Today on the water

Henry's Fork

Rivers

Flow
622 cfs
Change in 24 hours
0 cfs

From the U.S. Geological Survey, Henrys Fork near Ashton, ID, updated 7:44 pm.

South Fork of the Snake

Rivers

Flow
3070 cfs
Change in 24 hours
0 cfs

From the U.S. Geological Survey, Snake River near Heise, ID, updated 7:44 pm.

Madison River

Rivers

Flow
707 cfs
Change in 24 hours
0 cfs
Water temperature
52°F

From the U.S. Geological Survey, Madison River below Hebgen Lake near Grayling, MT, updated 10:36 am.

Fall River

Rivers

Flow
216 cfs
Change in 24 hours
0 cfs

From the U.S. Geological Survey, Fall River near Squirrel, ID, updated 7:44 pm.

Teton River

Rivers

Flow
401 cfs
Change in 24 hours
4 cfs

From the U.S. Geological Survey, Teton River near ST Anthony, ID, updated 7:44 pm.

Boise River

Rivers

Flow
215 cfs
Change in 24 hours
-17 cfs

From the U.S. Geological Survey, Boise River at Glenwood Bridge near Boise, ID, updated 7:44 pm.

Owyhee River

Rivers

Flow
31 cfs
Change in 24 hours
0 cfs

From the U.S. Geological Survey, Owyhee River Below Owyhee Dam, OR, updated 10:36 am.

Silver Creek

Rivers

Flow
90 cfs
Change in 24 hours
-2 cfs
Water temperature
48°F

From the U.S. Geological Survey, Silver Creek at Sportsman Access near Picabo, ID, updated 10:36 am.

Salmon River

Rivers

Flow
1090 cfs
Change in 24 hours
0 cfs

From the U.S. Geological Survey, Salmon River at Salmon, ID, updated 10:36 am.

Latest reports

Henry's ForkSouth Fork of the Snake+3 more

Fishing Report - October 3rd, 2026

Henry's Fork Anglers

Upper Henry's Fork: Flows in Box Canyon are currently 181 CFS. Box Canyon has had several large changes in streamflow in the last several months, and with the dropping flows the fishing has turned for the best. Some Rainbows from…

Henry's ForkSouth Fork of the Snake+3 more

Fishing Report - September 19th, 2026

Henry's Fork Anglers

Upper Henrys Fork: Flows in Box Canyon are currently 836 CFS. Box Canyon has had several large changes in streamflow in the last several weeks, so the quality of the fishing has been swinging like a pendulum. For the time…

September Outlook For Treasure Valley 2026

TRR Outfitters

It’s already September, and most of the summer heat should start to subside. That means the dog days of summer are behind us, with better fishing on the way! Fall is one of our favorite seasons, as fish begin to…

Henry's ForkSouth Fork of the Snake+3 more

Fishing Report - August 30th, 2026

Henry's Fork Anglers

Upper Henrys Fork: Flows in Box Canyon are currently 985 CFS. Box Canyon is a fantastic choice this time of year as the water remains cooler exiting the island park reservoir into the canyon. This section is loaded with fish…

Henry's ForkWarm River+4 more

Fishing Report - August 14, 2026

Henry's Fork Anglers

Upper Henrys Fork: Flows in Box Canyon are currently 1012 CFS. Box Canyon has been fishing well, mostly nymphing and streamers producing, but if you felt compelled to fish a dry a small purple chubby chernobyl or a Henry’s Fork…

Henry's ForkSouth Fork of the Snake+4 more

Fishing Report - August 1, 2026

Henry's Fork Anglers

Upper Henrys Fork: Flows in Box Canyon are currently 1050 CFS. Box Canyon has been fishing solid, with most fish now being picked up on the nymph. Flows out of the reservoir are starting to drop, which makes wading easier…