Southwest Montana Rivers

Real-time flows, water temps, hatch charts, fly recommendations, and fishing reports — everything you need before you hit the water.

Madison

1h ago

World-class tailwater and freestone fishing from Yellowstone Park to Three Forks.

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Upper Madison Near Cameron (Upper)
56.7°F
1010 cfs · 2.23 ft ▲ 4.0% 24h ↓23% med

Clear

50° · 💨 1mph NNW · 🌧️ 6%

BWOs Tricos Hoppers Ants Beetles

At Kirby Ranch (Cameron)

886 cfs · 1.82 ft · 56.8° · ↓14% med

45° · 💨 7 N · 🌧️ 8%

Below Hebgen Lake (Grayling)

760 cfs · 1.61 ft · 58.8° · ↓30% med

48° · 💨 5 NNW · 🌧️ 11%

Lower Madison Below Ennis Lake (Lower)
58.3°F
1150 cfs · 3.51 ft ▼ 0.9% 24h ↓25% med

Overcast

53° · 💨 10mph NNE · 🌧️ 5%

BWOs Tricos Hoppers Ants Beetles

Gallatin

52m ago

Iconic freestone river from Yellowstone Park through the Gallatin Canyon.

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Gallatin Canyon Above Deer Creek (Big Sky)
53.2°F
346 cfs · 5.04 ft ▲ 40.7% 24h ↑10% med

Overcast

40° · 💨 1mph W · 🌧️ 6%

BWOs Midges Hoppers Ants Beetles

Near Gallatin Gateway

519 cfs · 1.67 ft · ↑10% med

51° · 💨 5 NNE · 🌧️ 4%

Gallatin Valley At Logan
56.8°F
513 cfs · 4.87 ft ▲ 20.7% 24h ↓13% med

Overcast

55° · 💨 3mph WSW · 🌧️ 3%

BWOs Midges Hoppers Ants Beetles

Yellowstone

1h ago

The longest undammed river in the lower 48, through Paradise Valley.

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Paradise Valley At Corwin Springs
58.5°F

⚠️ No current flow data from At Corwin Springs

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Livingston Near Livingston
57.7°F
1860 cfs · 0.19 ft ▲ 10.1% 24h ↓16% med

Overcast

50° · 💨 9mph N · 🌧️ 2%

BWOs Hoppers Ants Beetles

Big Hole

37m ago

Iconic freestone river famous for its Salmonfly hatch and native Arctic grayling. One of Montana's premier fly fishing destinations.

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Lower Big Hole Near Melrose
55.9°F
417 cfs · 1.76 ft ▲ 55.0% 24h ↑39% med

Partly Cloudy

53° · 💨 9mph N · 🌧️ 8%

BWOs October Caddis Midges Hoppers Ants Beetles

Near Glen

379 cfs · 2.53 ft · 57.2° · ↑20% med

56° · 💨 7 NE · 🌧️ 11%

Big Hole Canyon At Maiden Rock (Divide)
54.0°F
653 cfs · 3.38 ft ▲ 139.2% 24h ↑107% med

Mostly Clear

49° · 💨 6mph NW · 🌧️ 7%

BWOs October Caddis Midges Hoppers Ants Beetles
Upper Big Hole At Wisdom
55.4°F
95 cfs · 2.52 ft ▲ 111.1% 24h ↑169% med

Clear

48° · 💨 6mph N · 🌧️ 5%

BWOs Midges Hoppers Ants Beetles

Beaverhead

1h ago

Montana's premier trophy brown trout tailwater below Clark Canyon Dam. Up to 1,900 fish per mile over 16 inches.

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Upper Beaverhead At Barretts
78 cfs · 0.52 ft ▼ 2.3% 24h ↓74% med

Overcast

53° · 💨 6mph NE · 🌧️ 19%

BWOs Tricos October Caddis Midges Hoppers Ants Beetles
Lower Beaverhead Near Twin Bridges
121 cfs · 3.83 ft ▲ 11.0% 24h ↓47% med

Overcast

55° · 💨 7mph NNE · 🌧️ 8%

BWOs Midges Hoppers Ants Beetles

Jefferson

1h ago

Formed by the Big Hole and Beaverhead at Twin Bridges, flowing to Three Forks. Known for solitude and big browns.

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Upper Jefferson Near Twin Bridges
58.5°F
686 cfs · 3.10 ft ▲ 25.4% 24h ↓11% med

Overcast

55° · 💨 13mph NNE · 🌧️ 6%

BWOs Midges Hoppers Ants Beetles
Lower Jefferson Near Three Forks
59.5°F
593 cfs · 2.50 ft ▲ 22.0% 24h ↓16% med

Overcast

55° · 💨 2mph W · 🌧️ 3%

BWOs Midges Hoppers Ants Beetles

Ruby

37m ago

Under-fished gem in the Ruby Valley. Classic small-river experience with quality brown trout.

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Upper Ruby Above Reservoir (Alder)
103 cfs · 2.93 ft ▲ 7.5% 24h ↓9% med

Clear

49° · 💨 6mph N · 🌧️ 7%

BWOs Midges Hoppers Ants
Lower Ruby Below Reservoir (Alder)
207 cfs · 3.24 ft — 0.0% 24h ↓10% med

Mostly Clear

53° · 💨 6mph ENE · 🌧️ 8%

BWOs Midges Hoppers Ants Beetles

East Gallatin

52m ago

Flows through the Gallatin Valley and Bozeman.

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Bozeman Above Water Reclamation (Bozeman)
100 cfs · 3.81 ft ▲ 75.7% 24h ↑70% med

Overcast

54° · 💨 2mph E · 🌧️ 4%

BWOs Midges Hoppers Ants Beetles