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)
44.4°F
926 cfs · 2.16 ft ▲ 1.2% 24h ↓29% med

Clear

41° · 💨 4mph SW · 🌧️ 0%

BWOs Midges

At Kirby Ranch (Cameron)

736 cfs · 1.67 ft · 47.5° · ↓24% med

36° · 💨 1 ESE · 🌧️ 0%

Below Hebgen Lake (Grayling)

641 cfs · 1.47 ft · 48.4° · ↓43% med

37° · 💨 2 SSW · 🌧️ 0%

Lower Madison Below Ennis Lake (Lower)
42.4°F
1250 cfs · 3.70 ft — 0.0% 24h ↓29% med

Clear

42° · 💨 2mph S · 🌧️ 0%

BWOs Midges

Gallatin

59m ago

Iconic freestone river from Yellowstone Park through the Gallatin Canyon.

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Gallatin Canyon Above Deer Creek (Big Sky)
246 cfs · 4.82 ft ▼ 1.6% 24h ↓12% med

Clear

33° · 💨 3mph ESE · 🌧️ 0%

Midges

Near Gallatin Gateway

360 cfs · 1.39 ft · ↓10% med

38° · 🌧️ 0%

Gallatin Valley At Logan
798 cfs · 5.24 ft ▼ 3.5% 24h ↓2% med

Clear

40° · 💨 6mph E · 🌧️ 0%

Midges

Yellowstone

59m ago

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

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Paradise Valley At Corwin Springs
46.0°F
1120 cfs · 1.21 ft ▼ 1.8% 24h ↓10% med

Clear

44° · 💨 6mph WNW · 🌧️ 0%

Livingston Near Livingston
1600 cfs · -0.11 ft ▼ 1.8% 24h ↓9% med

Clear

45° · 💨 8mph NNE · 🌧️ 0%

Lower Yellowstone Near Livingston
1600 cfs · -0.11 ft ▼ 1.8% 24h ↓9% med

Clear

45° · 💨 8mph NNE · 🌧️ 0%

At Springdale (Apr–Sep)

no data

Big Hole

1h 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
41.5°F
634 cfs · 2.10 ft ▼ 8.9% 24h ↑22% med

Clear

41° · 💨 2mph SW · 🌧️ 0%

Midges

Near Glen

no data

Big Hole Canyon At Maiden Rock (Divide)

⚠️ No current flow data from At Maiden Rock (Divide)

Midges
Upper Big Hole At Wisdom
39.0°F
126 cfs · 2.61 ft ▼ 11.3% 24h ↑114% med

Clear

33° · 💨 2mph NE · 🌧️ 0%

Midges

Beaverhead

44m 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

⚠️ No current flow data from At Barretts

Midges
Lower Beaverhead Near Twin Bridges
242 cfs · 3.41 ft ▼ 2.8% 24h ↓49% med

Clear

42° · 💨 1mph NE · 🌧️ 0%

Midges

Jefferson

44m 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
43.5°F
1390 cfs · 4.02 ft ▼ 2.8% 24h ↑5% med

Clear

43° · 💨 7mph WSW · 🌧️ 0%

Midges
Lower Jefferson Near Three Forks
43.2°F
1620 cfs · 3.79 ft ▼ 1.2% 24h ↑8% med

Clear

39° · 💨 3mph ENE · 🌧️ 0%

Midges

Ruby

1h 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)
119 cfs · 2.99 ft ▼ 4.0% 24h ↓5% med

Clear

38° · 💨 3mph W · 🌧️ 0%

Midges
Lower Ruby Below Reservoir (Alder)
44 cfs · 2.34 ft ▼ 2.2% 24h ↓33% med

Clear

42° · 🌧️ 0%

Midges

East Gallatin

1h ago

Flows through the Gallatin Valley and Bozeman.

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Bozeman Above Water Reclamation (Bozeman)
60 cfs · 3.92 ft ▼ 12.8% 24h ↓5% med

Clear

39° · 💨 4mph E · 🌧️ 0%

Midges