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Madison River

River · Montana

Madison River

Rivers

Flow
707 cfs
Change in 24 hours
0 cfs
Water temperature
53°F

From the U.S. Geological Survey, Madison River below Hebgen Lake near Grayling, MT, updated 8:44 pm.

Forecast for Madison River

40°F Mostly Clear

  • Tonight Low 30° Mostly Clear
  • Monday High 56° · Low 33° Sunny
  • Tuesday High 55° · Low 33° Mostly Sunny then Slight Chance Light Rain

Forecast from the National Weather Service, updated 8:44 pm.

Along the river

Madison River at Ennis

Rivers

Flow
958 cfs
Change in 24 hours
0 cfs
Water temperature
51°F

From the U.S. Geological Survey, Madison River at Ennis, MT, updated 8:44 pm.

Madison River at Kirby Ranch

Rivers

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

From the U.S. Geological Survey, Madison River at Kirby Ranch near Cameron, MT, updated 8:44 pm.

Madison River below Ennis Lake

Rivers

Flow
1210 cfs
Change in 24 hours
-90 cfs
Water temperature
46°F

From the U.S. Geological Survey, Madison River below Ennis Lake near McAllister, MT, updated 8:44 pm.

Madison River near Cameron

Rivers

Flow
938 cfs
Change in 24 hours
12 cfs
Water temperature
49°F

From the U.S. Geological Survey, Madison River near Cameron, MT, updated 8:44 pm.

Madison River near Norris

Rivers

Flow
1230 cfs
Change in 24 hours
-80 cfs
Water temperature
48°F

From the U.S. Geological Survey, Madison River near Norris, MT, updated 8:44 pm.

Madison River near West Yellowstone

Rivers

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

From the U.S. Geological Survey, Madison River near West Yellowstone, MT, updated 8:44 pm.

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…

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…

Henry's ForkSouth Fork of the Snake+3 more

Fishing Report - July 24, 2026

Henry's Fork Anglers

Upper Henrys Fork: Flows in Box Canyon are currently 1290 CFS. Box Canyon has been consistently producing good numbers of fish, and with the flows beginning to drop back down wading is becoming more feasible. At these high flows, fishing…

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