⚡ Changes — last 24h (2)
Missouri River at Toston — Left the ideal window — now dropping thin at 2460 cfs
Arkansas River at Granite — Left the ideal window — now dropping thin at 291 cfs
⚠️ Current warnings (10)
Yellowstone River at Corwin Springs — High & likely off-color — 6,810 cfs (ideal ≤ 6,000)
Yellowstone River at Billings — High & likely off-color — 13,800 cfs (ideal ≤ 12,000)
Selway River nr Lowell — High & likely off-color — 4,120 cfs (ideal ≤ 4,000)
St Joe River at Calder — High & likely off-color — 3,030 cfs (ideal ≤ 2,500)
Bitterroot River nr Victor — High & likely off-color — 4,460 cfs (ideal ≤ 3,000)
Henry's Lake Outlet Island Park — Very low — 38 cfs (ideal ≥ 80)
Big Hole River nr Wisdom — Very low — 24 cfs (ideal ≥ 150)
Provo River upper / Hailstone — Very low — 38 cfs (ideal ≥ 100)
South Platte nr Lake George — Very low — 8 cfs (ideal ≥ 80)
Provo River lower / at Provo — Very low — 41 cfs (ideal ≥ 200)
🏆 Henry's Fork
nr Ashton · Idaho
1,700 cfs (steady), in the ideal window; water 63°F — prime
Flow1,700 cfs ↑ 1%/24h
Ideal800–2,200
Water63°F HFF
WeatherMostly Sunny, 86°F, wind 5 to 8 mph
Henry's Fork
Box Canyon / Island Park · Idaho
1,140 cfs (steady), in the ideal window; water 59°F — prime
Flow1,140 cfs → 0%/24h
Ideal600–1,600
Water59°F HFF
WeatherMostly Sunny, 81°F, wind 3 to 8 mph
South Fork Snake
nr Heise · Idaho
11,400 cfs (steady), in the ideal window; water 58°F — prime
Flow11,400 cfs → 0%/24h
Ideal6,000–16,000
Water58°F HFF
WeatherMostly Sunny, 87°F, wind 6 to 10 mph
South Fork Snake
at Irwin · Idaho
11,100 cfs (steady), in the ideal window; water 55°F — prime
Flow11,100 cfs → 0%/24h
Ideal4,000–13,000
Water55°F HFF
WeatherSunny, 85°F, wind 8 mph
Fall River
nr Chester · Idaho
355 cfs (falling), in the ideal window; water 58°F — prime
Flow355 cfs ↓ 4%/24h
Ideal300–1,100
Water58°F HFF
WeatherMostly Sunny, 86°F, wind 5 to 8 mph
Silver Creek
nr Picabo · Idaho
100 cfs (steady), in the ideal window; water 60°F — prime
Flow100 cfs ↓ 2%/24h
Ideal80–300
Water60°F USGS
WeatherSunny, 88°F, wind 6 to 13 mph
Madison River
below Hebgen Lake · Montana
778 cfs (steady), in the ideal window; water 53°F — prime
Flow778 cfs → 0%/24h
Ideal600–1,500
Water53°F USGS
WeatherPartly Sunny, 78°F, wind 2 to 8 mph
Madison River
nr West Yellowstone · Montana
342 cfs (steady), in the ideal window; water 61°F — prime
Flow342 cfs ↓ 2%/24h
Ideal300–1,200
Water61°F USGS
WeatherMostly Sunny, 81°F, wind 2 to 9 mph
Madison River
nr Cameron · Montana
1,030 cfs (steady), in the ideal window; water 51°F — prime
Flow1,030 cfs ↓ 2%/24h
Ideal700–2,000
Water51°F USGS
WeatherMostly Sunny, 82°F, wind 5 to 8 mph
Madison River
nr McAllister · Montana
1,230 cfs (steady), in the ideal window; water 56°F — prime
Flow1,230 cfs ↓ 2%/24h
Ideal900–2,600
Water56°F USGS
WeatherPartly Sunny, 81°F, wind 1 to 9 mph
Firehole River
Yellowstone NP · Montana
230 cfs (steady), in the ideal window; water 65°F — warm
Flow230 cfs ↓ 2%/24h
Ideal120–600
Water65°F USGS
WeatherMostly Sunny, 75°F, wind 2 to 8 mph
Jefferson River
nr Twin Bridges · Montana
1,080 cfs (steady), in the ideal window; water 59°F — prime
Flow1,080 cfs ↓ 1%/24h
Ideal700–4,000
Water59°F USGS
WeatherPartly Sunny, 81°F, wind 6 to 10 mph
Blackfoot River
nr Bonner · Montana
2,620 cfs (falling), in the ideal window; water 57°F — prime
Flow2,620 cfs ↓ 5%/24h
Ideal700–4,000
Water57°F USGS
WeatherPartly Sunny, 78°F, wind 2 to 8 mph
Clark Fork
above Missoula · Montana
3,770 cfs (falling), in the ideal window; water 57°F — prime
Flow3,770 cfs ↓ 4%/24h
Ideal800–5,000
Water57°F USGS
WeatherPartly Sunny, 83°F, wind 2 to 7 mph
Yellowstone River
nr Livingston · Montana
6,890 cfs (falling), in the ideal window; water 53°F — prime
Flow6,890 cfs ↓ 4%/24h
Ideal2,000–8,000
Water53°F USGS
WeatherPartly Sunny, 72°F, wind 3 to 14 mph
Green River
below Flaming Gorge · Utah
1,970 cfs (steady), in the ideal window; water 56°F — prime
Flow1,970 cfs → 0%/24h
Ideal800–2,600
Water56°F USGS
WeatherMostly Sunny, 88°F, wind 0 to 10 mph
Provo River
middle / Charleston · Utah
190 cfs (steady), in the ideal window; water 52°F — prime
Flow190 cfs ↑ 4%/24h
Ideal150–800
Water52°F USGS
WeatherSunny, 94°F, wind 0 to 8 mph
Weber River
at Gateway · Utah
236 cfs (steady), in the ideal window; water 55°F — prime
Flow236 cfs → 0%/24h
Ideal150–1,200
Water55°F USGS
WeatherMostly Sunny, 94°F, wind 2 to 7 mph
Gunnison River
nr Gunnison · Colorado
427 cfs (steady), in the ideal window; water 52°F — prime
Flow427 cfs → 0%/24h
Ideal300–1,800
Water52°F USGS
WeatherSunny, 88°F, wind 0 to 15 mph
Animas River
at Durango · Colorado
468 cfs (falling), in the ideal window; water 60°F — prime
Flow468 cfs ↓ 4%/24h
Ideal300–2,500
Water60°F USGS
WeatherSunny, 92°F, wind 0 to 15 mph
Big Wood River
nr Ketchum · Idaho
642 cfs (falling), in the ideal window; water 57°F — prime
Flow642 cfs ↓ 8%/24h
Ideal120–700
Water57°F USGS
WeatherSunny, 86°F, wind 3 to 10 mph
Gallatin River
at Logan · Montana
647 cfs (falling), in the ideal window; water 57°F — prime
Flow647 cfs ↓ 7%/24h
Ideal500–3,000
Water57°F USGS
WeatherPartly Sunny, 79°F, wind 2 to 6 mph
Big Hole River
nr Melrose · Montana
985 cfs (falling), in the ideal window; water 57°F — prime
Flow985 cfs ↓ 6%/24h
Ideal500–3,000
Water57°F USGS
WeatherMostly Sunny, 81°F, wind 5 to 8 mph
Missouri River
at Toston · Montana
2,460 cfs (falling), on the low side; water 64°F — prime
Flow2,460 cfs ↓ 4%/24h
Ideal2,500–9,000
Water64°F USGS
WeatherPartly Sunny, 78°F, wind 5 mph
Roaring Fork
at Glenwood Springs · Colorado
1,090 cfs (falling), in the ideal window; water 55°F — prime
Flow1,090 cfs ↓ 8%/24h
Ideal400–3,000
Water55°F USGS
WeatherSunny, 98°F, wind 0 to 15 mph
Fall River
nr Squirrel · Idaho
548 cfs (falling), in the ideal window; water 58°F — prime
Flow548 cfs ↓ 10%/24h
Ideal400–1,300
Water58°F HFF
WeatherMostly Sunny, 83°F, wind 3 to 8 mph
Teton River
Teton Valley · Idaho
693 cfs (falling), in the ideal window
Flow693 cfs ↓ 4%/24h
Ideal250–1,000
Water—
WeatherMostly Sunny, 83°F, wind 1 to 8 mph
Teton River
nr St Anthony · Idaho
1,040 cfs (steady), in the ideal window
Flow1,040 cfs ↑ 1%/24h
Ideal400–1,300
Water—
WeatherMostly Sunny, 86°F, wind 3 to 8 mph
SF Boise River
nr Featherville · Idaho
642 cfs (falling), in the ideal window
Flow642 cfs ↓ 6%/24h
Ideal300–1,500
Water—
WeatherSunny, 94°F, wind 2 to 8 mph
Salmon River
at Salmon · Idaho
2,320 cfs (steady), in the ideal window
Flow2,320 cfs ↓ 0%/24h
Ideal800–5,000
Water—
WeatherMostly Sunny, 91°F, wind 0 to 6 mph
SF Payette River
nr Lowman · Idaho
1,140 cfs (falling), in the ideal window
Flow1,140 cfs ↓ 7%/24h
Ideal400–2,500
Water—
WeatherSunny, 94°F, wind 0 to 9 mph
Gallatin River
nr Gallatin Gateway · Montana
1,150 cfs (falling), in the ideal window
Flow1,150 cfs ↓ 5%/24h
Ideal300–1,800
Water—
WeatherPartly Sunny, 79°F, wind 1 to 8 mph
Beaverhead River
at Barretts · Montana
572 cfs (steady), in the ideal window
Flow572 cfs ↓ 1%/24h
Ideal200–900
Water—
WeatherMostly Sunny, 81°F, wind 5 to 9 mph
Ruby River
below reservoir · Montana
124 cfs (steady), in the ideal window
Flow124 cfs ↑ 2%/24h
Ideal60–500
Water—
WeatherPartly Sunny, 79°F, wind 2 to 8 mph
Rock Creek
nr Clinton · Montana
1,270 cfs (steady), in the ideal window
Flow1,270 cfs ↓ 3%/24h
Ideal200–1,500
Water—
WeatherPartly Sunny, 80°F, wind 1 to 7 mph
Missouri River
at Cascade · Montana
5,410 cfs (steady), in the ideal window
Flow5,410 cfs ↑ 3%/24h
Ideal3,000–10,000
Water—
WeatherMostly Sunny, 75°F, wind 2 to 10 mph
Green River
nr Jensen · Utah
2,590 cfs (steady), in the ideal window; water 67°F — warm
Flow2,590 cfs ↓ 4%/24h
Ideal1,200–5,000
Water68°F USGS
WeatherSunny, 98°F, wind 0 to 10 mph
Weber River
nr Oakley · Utah
140 cfs (falling), in the ideal window
Flow140 cfs ↓ 7%/24h
Ideal80–700
Water—
WeatherSunny, 84°F, wind 5 to 9 mph
Gunnison River
below Gunnison (Black Canyon) · Colorado
503 cfs (steady), in the ideal window
Flow503 cfs → 0%/24h
Ideal400–3,000
Water—
WeatherSunny, 86°F, wind 5 to 15 mph
Taylor River
below Taylor Park · Colorado
197 cfs (steady), in the ideal window
Flow197 cfs ↑ 1%/24h
Ideal100–900
Water—
WeatherMostly Sunny, 70°F, wind 5 to 15 mph
Blue River
below Dillon · Colorado
567 cfs (steady), in the ideal window
Flow567 cfs ↑ 1%/24h
Ideal80–600
Water—
WeatherSunny, 79°F, wind 2 to 9 mph
Eagle River
below Gypsum · Colorado
333 cfs (steady), in the ideal window
Flow333 cfs ↓ 2%/24h
Ideal200–1,800
Water—
WeatherSunny, 94°F, wind 0 to 15 mph
Lochsa River
nr Lowell · Idaho
3,080 cfs (falling), in the ideal window
Flow3,080 cfs ↓ 9%/24h
Ideal800–4,000
Water—
WeatherMostly Sunny, 94°F, wind 0 to 3 mph
Yellowstone River
at Corwin Springs · Montana
6,810 cfs (steady), running high; water 55°F — prime
Flow6,810 cfs ↓ 2%/24h
Ideal1,500–6,000
Water55°F USGS
WeatherPartly Sunny, 81°F, wind 1 to 9 mph
Logan River
nr Logan · Utah
190 cfs (falling), in the ideal window
Flow190 cfs ↓ 9%/24h
Ideal80–800
Water—
WeatherMostly Sunny, 84°F, wind 6 mph
Yellowstone River
at Billings · Montana
13,800 cfs (steady), running high; water 60°F — prime
Flow13,800 cfs → 0%/24h
Ideal3,000–12,000
Water60°F USGS
WeatherMostly Sunny, 77°F, wind 5 to 13 mph
Smith River
nr Eden · Montana
248 cfs (steady), in the ideal window; water 68°F — warm
Flow248 cfs → 0%/24h
Ideal150–1,500
Water68°F USGS
WeatherMostly Sunny, 73°F, wind 1 to 10 mph
Colorado River
nr Kremmling · Colorado
701 cfs (steady), on the low side; water 60°F — prime
Flow701 cfs ↓ 3%/24h
Ideal800–4,000
Water60°F USGS
WeatherSunny, 85°F, wind 1 to 10 mph
Fryingpan River
nr Basalt · Colorado
107 cfs (steady), on the low side
Flow107 cfs ↓ 2%/24h
Ideal110–400
Water—
WeatherSunny, 86°F, wind 5 to 15 mph
Roaring Fork
nr Emma · Colorado
432 cfs (falling), in the ideal window
Flow432 cfs ↓ 12%/24h
Ideal250–1,800
Water—
WeatherSunny, 89°F, wind 5 to 10 mph
Selway River
nr Lowell · Idaho
4,120 cfs (falling), running high
Flow4,120 cfs ↓ 12%/24h
Ideal700–4,000
Water—
WeatherMostly Sunny, 86°F, wind 1 to 6 mph
Yampa River
at Steamboat Springs · Colorado
129 cfs (falling), on the low side; water 55°F — prime
Flow129 cfs ↓ 8%/24h
Ideal150–1,500
Water55°F USGS
WeatherSunny, 86°F, wind 0 to 10 mph
Arkansas River
at Granite · Colorado
291 cfs (falling), on the low side
Flow291 cfs ↓ 15%/24h
Ideal300–1,800
Water—
WeatherMostly Sunny, 88°F, wind 0 to 10 mph
St Joe River
at Calder · Idaho
3,030 cfs (falling), running high; water 57°F — prime
Flow3,030 cfs ↓ 6%/24h
Ideal400–2,500
Water57°F USGS
WeatherMostly Sunny, 84°F, wind 3 mph
Beaverhead River
nr Twin Bridges · Montana
154 cfs (rising), on the low side; water 57°F — prime
Flow154 cfs ↑ 7%/24h
Ideal200–1,200
Water57°F USGS
WeatherPartly Sunny, 81°F, wind 5 to 10 mph
Henry's Fork
nr Island Park Dam · Idaho
water 57°F — prime
Flown/a
Ideal250–900
Water57°F HFF
WeatherMostly Sunny, 75°F, wind 2 to 7 mph
Bitterroot River
nr Victor · Montana
4,460 cfs (falling), running high; water 58°F — prime
Flow4,460 cfs ↓ 10%/24h
Ideal500–3,000
Water58°F USGS
WeatherPartly Sunny, 84°F, wind 3 mph
Bighorn River
nr St Xavier · Montana
1,490 cfs (steady), on the low side
Flow1,490 cfs → 0%/24h
Ideal2,500–4,800
Water—
WeatherMostly Sunny, 75°F, wind 3 to 14 mph
Henry's Lake Outlet
Island Park · Idaho
38 cfs (steady), on the low side; water 57°F — prime
Flow38 cfs ↓ 3%/24h
Ideal80–500
Water57°F HFF
WeatherMostly Sunny, 75°F, wind 2 to 7 mph
Big Hole River
nr Wisdom · Montana
24 cfs (rising), on the low side; water 54°F — prime
Flow24 cfs ↑ 4%/24h
Ideal150–1,200
Water54°F USGS
WeatherPartly Sunny, 81°F, wind 2 to 6 mph
Provo River
upper / Hailstone · Utah
38 cfs (falling), on the low side
Flow38 cfs ↓ 16%/24h
Ideal100–600
Water—
WeatherSunny, 88°F, wind 1 to 9 mph
South Platte
nr Lake George · Colorado
8 cfs (falling), on the low side
Flow8 cfs ↓ 7%/24h
Ideal80–500
Water—
WeatherMostly Sunny, 74°F, wind 2 to 12 mph
Provo River
lower / at Provo · Utah
41 cfs (falling), on the low side
Flow41 cfs ↓ 9%/24h
Ideal200–1,000
Water—
WeatherMostly Sunny, 99°F, wind 5 mph