Western Flows
Montana

Montana

Explore all live flow conditions, reservoirs, and snowpack data for Montana.

Stream Gauges

213

Reservoirs

7

Facilities
  • FLO
    Agency Canal Tailwaste Near Hardin, MT
    12.5 cfs
  • SNO
    Albro Lake
    0.0 in
  • FLO
    Badger Creek Below Four Horns Canal Near Browning, MT
    276 cfs
  • SNO
    Badger Pass
    0.0 in
  • SNO
    Banfield Mountain
    0.0 in
  • SNO
    Barker Lakes
    0.1 in
  • SNO
    Basin Creek
    0.0 in
  • SNO
    Bassoo Peak
    0.0 in
  • FLO
    Battle Creek Near Chinook, MT
    9.4 cfs
  • SNO
    Beagle Springs
    0.0 in
  • FLO
    Beaver Creek Near Hinsdale, MT
    91.8 cfs
  • SNO
    Beaver Creek
    0.0 in
  • FLO
    Beaverhead River At Barretts, MT
    339 cfs
  • FLO
    Beaverhead River At Dillon, MT
    112 cfs
  • FLO
    Beaverhead River Near Twin Bridges, MT
    113 cfs
  • FLO
    Beaverhead River At Twin Bridges, MT
    356 cfs
  • FLO
    Belt Creek Near Monarch, MT
    280 cfs
  • FLO
    Big Hole River Below Big Lake Creek At Wisdom, MT
    123 cfs
  • FLO
    Big Hole River Near Melrose, MT
    1,370 cfs
  • FLO
    Big Hole River Near Glen, MT
    1,380 cfs
  • FLO
    Big Hole River At Maiden Rock Near Divide, MT
    1,360 cfs
  • FLO
    Big Hole River Below Hamilton Ditch Near Twin Bridges, MT
    1,130 cfs
  • FLO
    Big Hole River Below Mudd Creek Near Wisdom, MT
    546 cfs
  • FLO
    Big Horn Canal Near St. Xavier, MT
    401 cfs
  • FLO
    Big Muddy Creek Near Antelope, MT
    3.9 cfs
  • FLO
    Big Muddy Creek Near Mouth Near Culbertson, MT
    48.4 cfs
  • FLO
    Big Sandy Creek Near Havre, MT
    194 cfs
  • FLO
    Big Sandy Creek Above Spring Coulee, Near Laredo, MT
    186 cfs
  • FLO
    Big Spring Creek At R&B Trading Post Near Lewistown, MT
    168 cfs
  • FLO
    Bighorn River At Bridge, At St. Xavier, MT
    1,680 cfs
  • FLO
    Bighorn River Above Tullock Creek Near Bighorn, MT
    1,540 cfs
  • FLO
    Bighorn River At Two Leggins Bridge, Near Hardin
    1,260 cfs
  • FLO
    Bighorn River Below Yellowtail Afterbay Dam Near St. Xavier
    1,540 cfs
  • FLO
    Birch Creek At Robare, MT
    18.4 cfs
  • FLO
    Birch Creek At Bullhead Bridge, Near Valier, MT
    50.1 cfs
  • FLO
    Birch Creek Below Heart Butte Road, Near Heart Butte, MT
    264 cfs
  • FLO
    Birch Creek Main Canal At Diversion, Near Dupuyer, MT
    18.8 cfs
  • FLO
    Bitterroot River Near Darby, MT
    1,020 cfs
  • FLO
    Bitterroot River Near Missoula, MT
    2,650 cfs
  • FLO
    Bitterroot River At Bell Crossing Near Victor, MT
    1,510 cfs
  • SNO
    Black Bear
    0.0 in
  • SNO
    Black Pine
    0.0 in
  • FLO
    Blackfoot River Near Bonner, MT
    1,800 cfs
  • FLO
    Blackfoot River Above Nevada Creek Near Helmville, MT
    630 cfs
  • FLO
    Blacktail Creek Above Grove Gulch, At Butte, MT
    6.1 cfs
  • SNO
    Blacktail Mountain
    0.0 in
  • SNO
    Bloody Dick
    0.0 in
  • FLO
    Boulder Creek At Maxville, MT
    104 cfs
  • SNO
    Boulder Mountain
    0.0 in
  • FLO
    Boulder River Near Boulder, MT
    92.1 cfs
  • FLO
    Boulder River At Big Timber, MT
    795 cfs
  • SNO
    Box Canyon
    0.0 in
  • FLO
    Boxelder Creek At Box Elder, MT
    36.9 cfs
  • SNO
    Brackett Creek
    0.0 in
  • SNO
    Burnt Mountain
    0.0 in
  • SNO
    Calvert Creek
    0.0 in
  • RES
    Canyon Ferry
    80.4%
  • SNO
    Carrot Basin
    0.0 in
  • SNO
    Chicago Ridge
    0.0 in
  • RES
    Clark Canyon
    33.9%
  • FLO
    Clark Fork Near Galen, MT
    217 cfs
  • FLO
    Clark Fork At Deer Lodge, MT
    239 cfs
  • FLO
    Clark Fork At Goldcreek, MT
    642 cfs
  • FLO
    Clark Fork Near Drummond, MT
    931 cfs
  • FLO
    Clark Fork Above Missoula, MT
    3,360 cfs
  • FLO
    Clark Fork Below Missoula, MT
    5,970 cfs
  • FLO
    Clark Fork At St. Regis, MT
    7,980 cfs
  • FLO
    Clark Fork Near Plains, MT
    24,000 cfs
  • FLO
    Clark Fork Above Little Blackfoot River Near Garrison, MT
    359 cfs
  • FLO
    Clark Fork At Turah Bridge Near Bonner, MT
    1,590 cfs
  • FLO
    Clarks Fork Yellowstone River Near Belfry, MT
    2,680 cfs
  • FLO
    Clarks Fork Yellowstone River At Edgar, MT
    2,160 cfs
  • FLO
    Clear Creek Near Chinook, MT
    15.8 cfs
  • SNO
    Clover Meadow
    0.0 in
  • SNO
    Cole Creek
    0.0 in
  • SNO
    Combination
    0.0 in
  • SNO
    Copper Bottom
    0.0 in
  • SNO
    Copper Camp
    0.0 in
  • SNO
    Crystal Lake
    0.0 in
  • FLO
    Cut Bank Creek At Cut Bank, MT
    220 cfs
  • FLO
    Cut Bank Creek Above Gillam Coulee, Near Sundance, MT
    172 cfs
  • SNO
    Daisy Peak
    0.1 in
  • SNO
    Daly Creek
    0.0 in
  • SNO
    Darkhorse Lake
    0.0 in
  • SNO
    Deadman Creek
    0.0 in
  • FLO
    Dearborn River Near Craig, MT
    205 cfs
  • SNO
    Divide
    0.0 in
  • SNO
    Dupuyer Creek
    0.0 in
  • FLO
    E Gallatin River Above Water Reclamation Fa Near Bozeman, MT
    81.5 cfs
  • SNO
    East Boulder Mine
    0.0 in
  • FLO
    East Boulder River Below Dry Fork Creek Near Mcleod, MT
    31.8 cfs
  • SNO
    Elk Peak Alt
    0.0 in
  • SNO
    Emery Creek
    0.0 in
  • SNO
    Fisher Creek
    0.0 in
  • FLO
    Fisher River Near Libby, MT
    130 cfs
  • FLO
    Flathead River At Columbia Falls, MT
    12,400 cfs
  • FLO
    Flathead River Near Polson, MT
    14,300 cfs
  • FLO
    Flathead River At Perma, MT
    15,500 cfs
  • SNO
    Flattop Mtn.
    0.0 in
  • FLO
    Flatwillow Creek Near Mosby, MT
    5.1 cfs
  • FLO
    Flint Creek Near Southern Cross, MT
    66.4 cfs
  • FLO
    Flint Creek At Maxville, MT
    128 cfs
  • FLO
    Flint Creek Near Drummond, MT
    201 cfs
  • RES
    Fresno
    42.9%
  • SNO
    Frohner Meadow
    0.0 in
  • FLO
    Gallatin River Near Gallatin Gateway, MT
    926 cfs
  • FLO
    Gallatin River At Logan, MT
    659 cfs
  • FLO
    Gallatin River Above Deer Creek, Near Big Sky, MT
    623 cfs
  • FLO
    Gardner River Near Mammoth, Ynp
    218 cfs
  • RES
    Gibson
    99.1%
  • SNO
    Grave Creek
    0.0 in
  • SNO
    Hand Creek
    0.0 in
  • SNO
    Hawkins Lake
    0.0 in
  • SNO
    Hoodoo Basin
    0.0 in
  • RES
    Hungry Horse
    99.4%
  • FLO
    Hyalite Creek At Hyalite River S Near Bozeman, MT
    66.6 cfs
  • FLO
    Jefferson River Near Twin Bridges, MT
    1,750 cfs
  • FLO
    Jefferson River Near Three Forks, MT
    ⚠️
    1,780 cfs
  • FLO
    Jefferson River At Parsons Bdg Near Silver Star, MT
    1,440 cfs
  • FLO
    Judith River Near Mouth, Near Winifred, MT
    386 cfs
  • FLO
    Judith River Above Carr Creek Near Utica, MT
    49.8 cfs
  • FLO
    Kootenai River Below Libby Dam Near Libby, MT
    9,010 cfs
  • SNO
    Kraft Creek
    0.0 in
  • FLO
    Lake Como Spillway Near Darby, MT
    13 cfs
  • RES
    Lake Sherburne
    93.7%
  • SNO
    Lakeview Ridge
    0.0 in
  • SNO
    Lemhi Ridge
    0.0 in
  • FLO
    Libby Wetland Site Below Schrieber Lake Near Libby, MT
    0.8 cfs
  • SNO
    Lick Creek
    0.0 in
  • FLO
    Little Bighorn River Near Crow Agency, MT
    129 cfs
  • FLO
    Little Bighorn River Near Hardin, MT
    90.1 cfs
  • FLO
    Little Bighorn River At State Line Near Wyola, MT
    115 cfs
  • FLO
    Little Blackfoot River Near Garrison, MT
    178 cfs
  • FLO
    Little Prickly Pear Creek At Wolf Creek, MT
    86.1 cfs
  • FLO
    Lodge Creek Near Chinook, MT
    0.0 cfs
  • SNO
    Lone Mountain
    0.1 in
  • FLO
    Lost Creek Near Anaconda, MT
    17.6 cfs
  • FLO
    Lost Creek Near Galen, MT
    6.8 cfs
  • SNO
    Lower Twin
    0.4 in
  • SNO
    Lubrecht Flume
    0.0 in
  • FLO
    M F Flathead River Near West Glacier, MT
    4,730 cfs
  • SNO
    Madison Plateau
    0.0 in
  • FLO
    Madison River Near West Yellowstone, MT
    329 cfs
  • FLO
    Madison River Near Cameron, MT
    1,260 cfs
  • FLO
    Madison River At Ennis, MT
    1,380 cfs
  • FLO
    Madison River Near Norris, MT
    1,530 cfs
  • FLO
    Madison River Above Powerplant Near Mcallister, MT
    ⚠️
    179 cfs
  • FLO
    Madison River At Kirby Ranch Near Cameron, MT
    1,070 cfs
  • FLO
    Madison River Below Ennis Lake Near Mcallister, MT
    1,500 cfs
  • FLO
    Madison River Below Hebgen Lake Near Grayling, MT
    815 cfs
  • SNO
    Many Glacier
    0.0 in
  • FLO
    Marias River Near Shelby, MT
    918 cfs
  • FLO
    Marias River Near Chester, MT
    1,570 cfs
  • FLO
    Marias River Near Loma, MT
    ⚠️
    1,460 cfs
  • FLO
    Middle Fork Rock Creek Near Philipsburg, MT
    230 cfs
  • FLO
    Milk River At Eastern Crossing Of Int Bndry
    640 cfs
  • FLO
    Milk River At Havre, MT
    335 cfs
  • FLO
    Milk River Near Harlem, MT
    440 cfs
  • FLO
    Milk River Near Dodson, MT
    14.8 cfs
  • FLO
    Milk River At Malta, MT
    37.3 cfs
  • FLO
    Milk River At Tampico, MT
    317 cfs
  • FLO
    Milk River At Nashua, MT
    ⚠️
    385 cfs
  • FLO
    Milk River At Juneberg Bridge Near Saco, MT
    123 cfs
  • FLO
    Milk River At Merrill Rd, Near Harlem, MT
    500 cfs
  • FLO
    Mill Creek Near Anaconda, MT
    46.8 cfs
  • FLO
    Mill Creek At Opportunity, MT
    21.2 cfs
  • SNO
    Mill Creek
    0.0 in
  • FLO
    Mission Creek Above Reservoir Near St. Ignatius, MT
    69.9 cfs
  • FLO
    Missouri River At Toston, MT
    ⚠️
    4,010 cfs
  • FLO
    Missouri River At Cascade, MT
    4,180 cfs
  • FLO
    Missouri River Near Ulm, MT
    4,050 cfs
  • FLO
    Missouri River Near Great Falls, MT
    4,870 cfs
  • FLO
    Missouri River At Fort Benton, MT
    5,710 cfs
  • FLO
    Missouri River At Virgelle, MT
    7,040 cfs
  • FLO
    Missouri River Near Landusky, MT
    ⚠️
    8,290 cfs
  • FLO
    Missouri River Near Wolf Point, MT
    8,080 cfs
  • FLO
    Missouri River Near Culbertson, MT
    8,690 cfs
  • FLO
    Missouri River Below Hauser Dam Near Helena, MT
    3,470 cfs
  • FLO
    Missouri River Below Holter Dam Near Wolf Creek, MT
    3,320 cfs
  • SNO
    Monument Peak
    0.0 in
  • SNO
    Moss Peak
    0.0 in
  • SNO
    Mount Lockhart
    0.0 in
  • FLO
    Muddy Creek At Vaughn, MT
    171 cfs
  • SNO
    Mule Creek
    0.0 in
  • FLO
    Musselshell River Near Martinsdale, MT
    81.9 cfs
  • FLO
    Musselshell River At Harlowton, MT
    82 cfs
  • FLO
    Musselshell River Above Big Coulee Creek At Lavina, MT
    200 cfs
  • FLO
    Musselshell River Near Roundup, MT
    188 cfs
  • FLO
    Musselshell River At Musselshell, MT
    106 cfs
  • FLO
    Musselshell River At Mosby, MT
    20.8 cfs
  • FLO
    Musselshell River Above Mud Creek Near Shawmut, MT
    68.6 cfs
  • FLO
    N F Flathead River Near Columbia Falls, MT
    4,080 cfs
  • FLO
    N F Milk River Above St. Mary Canal Near Browning, MT
    7.5 cfs
  • SNO
    N Fork Elk Creek
    0.3 in
  • FLO
    Nelson Creek Near Van Norman, MT
    1.4 cfs
  • SNO
    Nevada Ridge
    0.0 in
  • SNO
    Nez Perce Camp
    0.0 in
  • SNO
    Noisy Basin
    0.0 in
  • FLO
    North Fork Blackfoot River Above Dry Gulch Near Ovando, MT
    502 cfs
  • FLO
    North Fork Sun River Near Augusta, MT
    451 cfs
  • SNO
    Northeast Entrance
    0.0 in
  • SNO
    Onion Park
    0.0 in
  • FLO
    Peoples Creek Near Cleveland, MT
    1.0 cfs
  • FLO
    Peoples Creek Near Hays, MT
    0.8 cfs
  • SNO
    Peterson Meadows
    0.0 in
  • SNO
    Pickfoot Creek
    0.0 in
  • SNO
    Pike Creek
    0.0 in
  • SNO
    Placer Basin
    0.0 in
  • SNO
    Poorman Creek
    0.0 in
  • FLO
    Poplar River At International Boundary
    8.4 cfs
  • FLO
    Poplar River Near Poplar, MT
    124 cfs
  • SNO
    Porcupine
    0.0 in
  • FLO
    Powder River At Moorhead, MT
    53.8 cfs
  • FLO
    Powder River Near Locate, MT
    ⚠️
    76.5 cfs
  • FLO
    Prickly Pear Creek Near Clancy, MT
    41.7 cfs
  • FLO
    Prospect Creek At Thompson Falls, MT
    96.2 cfs
  • FLO
    Red Lodge Creek Above Cooney Re Near Boyd, MT
    56.3 cfs
  • FLO
    Red Rock Creek Above Lakes, Near Lakeview, MT
    39.2 cfs
  • FLO
    Red Rock River Below Lima Reservoir Near Monida, MT
    450 cfs
  • FLO
    Rock Creek Near Red Lodge, MT
    485 cfs
  • FLO
    Rock Creek Near Clinton, MT
    711 cfs
  • FLO
    Rock Creek Below Horse Creek Near Int'L Boundary
    ⚠️
    9.4 cfs
  • SNO
    Rocker Peak
    0.0 in
  • SNO
    Rocky Boy
    0.0 in
  • FLO
    Rosebud Creek At Reservation Bndry Near Kirby, MT
    5.0 cfs
  • FLO
    Rosebud Creek Bel Lame Deer Creek Near Lame Deer, MT
    9.0 cfs
  • FLO
    Ruby River Near Twin Bridges, MT
    159 cfs
  • FLO
    Ruby River Above Reservoir Near Alder, MT
    148 cfs
  • FLO
    Ruby River Below Reservoir Near Alder, MT
    157 cfs
  • FLO
    S F Flathead River Near Columbia Falls, MT
    3,530 cfs
  • FLO
    S F Flathead River Above Twin Creek Near Hungry Horse, MT
    2,760 cfs
  • SNO
    S Fork Shields
    0.0 in
  • SNO
    Sacajawea
    0.0 in
  • SNO
    Saddle Mtn.
    0.0 in
  • FLO
    Shields River Near Livingston, MT
    293 cfs
  • FLO
    Shields River Below South Fork Shields River Near Wilsall, MT
    85.4 cfs
  • SNO
    Short Creek
    0.0 in
  • SNO
    Shower Falls
    0.0 in
  • FLO
    Silver Bow Creek At Montana Street, At Butte, MT
    7.7 cfs
  • FLO
    Silver Bow Creek Below Blacktail Cr, At Butte, MT
    14.1 cfs
  • FLO
    Silver Bow Creek At Opportunity, MT
    37.3 cfs
  • FLO
    Silver Bow Creek At Warm Springs, MT
    82.9 cfs
  • SNO
    Skalkaho Summit
    0.0 in
  • SNO
    Slagamelt Lakes
    0.0 in
  • SNO
    Sleeping Woman
    0.0 in
  • FLO
    Smith River Near Ft Logan, MT
    171 cfs
  • FLO
    Smith River Near Eden, MT
    425 cfs
  • FLO
    Smith River Below Eagle Creek Near Fort Logan, MT
    267 cfs
  • FLO
    Soda Butte Creek At Park Bndry At Silver Gate
    171 cfs
  • FLO
    South Fork Jocko River Near Arlee, MT
    85.9 cfs
  • FLO
    South Fork Sun River Near Augusta, MT
    406 cfs
  • SNO
    Spur Park
    0.0 in
  • FLO
    St. Mary Canal At St. Mary Crossing Near Babb, MT
    581 cfs
  • FLO
    St. Mary River Near Babb, MT
    1,820 cfs
  • FLO
    St. Regis River Near St. Regis, MT
    172 cfs
  • SNO
    Stahl Peak
    0.0 in
  • FLO
    Stillwater River Near Absarokee, MT
    2,240 cfs
  • FLO
    Stillwater River At Lawrence Park, At Kalispell
    318 cfs
  • SNO
    Stringer Creek
    0.0 in
  • SNO
    Stryker Basin
    0.0 in
  • SNO
    Stuart Mountain
    0.0 in
  • FLO
    Sun River At Simms, MT
    251 cfs
  • FLO
    Sun River Near Vaughn, MT
    552 cfs
  • FLO
    Sun River Below Diversion Dam Near Augusta, MT
    155 cfs
  • FLO
    Sun River Below Willow Creek Near Augusta, MT
    242 cfs
  • FLO
    Swan River Near Bigfork, MT
    1,860 cfs
  • FLO
    Swiftcurrent Creek At Many Glacier, MT
    250 cfs
  • FLO
    Tenmile Creek Near Rimini, MT
    12.9 cfs
  • FLO
    Tenmile Creek Near Helena, MT
    18 cfs
  • SNO
    Tepee Creek
    0.0 in
  • FLO
    Teton River At Loma, MT
    59.9 cfs
  • FLO
    Teton River Below South Fork Near Choteau, MT
    214 cfs
  • FLO
    Thompson River Near Thompson Falls, MT
    268 cfs
  • SNO
    Tizer Basin
    0.0 in
  • FLO
    Tobacco River At Eureka, MT
    267 cfs
  • FLO
    Tongue River At Ashland, MT
    265 cfs
  • FLO
    Tongue River At Miles City, MT
    ⚠️
    48.1 cfs
  • FLO
    Tongue River At Birney Day School Bridge Near Birney, MT
    299 cfs
  • FLO
    Tongue River At State Line Near Decker, MT
    ⚠️
    176 cfs
  • FLO
    Tongue River At Tongue River Dam Near Decker, MT
    302 cfs
  • FLO
    Tongue River Below Brandenberg Bridge Near Ashland, MT
    ⚠️
    221 cfs
  • SNO
    Twelvemile Creek
    0.0 in
  • SNO
    Twin Lakes
    0.0 in
  • FLO
    Two Medicine River Above Badger Cr, Near Piegan, MT
    256 cfs
  • FLO
    Two Medicine River Below South Fork Near Browning, MT
    389 cfs
  • FLO
    W Rosebud Creek At Emerald Lk Campground Near Roscoe
    546 cfs
  • SNO
    Waldron
    0.0 in
  • SNO
    Warm Springs
    0.0 in
  • FLO
    Warm Springs Creek Near Anaconda, MT
    165 cfs
  • FLO
    Warm Springs Creek At Warm Springs, MT
    110 cfs
  • FLO
    West Fork Bitterroot River Near Conner, MT
    236 cfs
  • FLO
    West Rosebud Creek Near Roscoe, MT
    459 cfs
  • SNO
    West Yellowstone
    0.0 in
  • SNO
    Whiskey Creek
    0.0 in
  • FLO
    White Horse Canal Near Silesia, MT
    16.2 cfs
  • SNO
    White Mill
    0.0 in
  • FLO
    Willow Creek Near Harrison, MT
    31.1 cfs
  • FLO
    Willow Creek Near Galata, MT
    20 cfs
  • FLO
    Willow Creek Near Boyd, MT
    66.1 cfs
  • FLO
    Willow Creek Near Anaconda, MT
    3.0 cfs
  • FLO
    Willow Creek At Opportunity, MT
    11.7 cfs
  • RES
    Willow Creek
    75.2%
  • SNO
    Wood Creek
    0.0 in
  • FLO
    Yaak River Near Troy, MT
    287 cfs
  • FLO
    Yellowstone River At Corwin Springs, MT
    5,010 cfs
  • FLO
    Yellowstone River Near Livingston, MT
    5,300 cfs
  • FLO
    Yellowstone River At Billings, MT
    ⚠️
    11,000 cfs
  • FLO
    Yellowstone River At Forsyth, MT
    11,300 cfs
  • FLO
    Yellowstone River At Miles City, MT
    11,100 cfs
  • FLO
    Yellowstone River At Glendive, MT
    10,700 cfs
  • FLO
    Yellowstone River Near Sidney, MT
    ⚠️
    10,500 cfs
  • FLO
    Yellowstone River Fish Bypass Channel Near Intake, MT
    ⚠️
    1,580 cfs

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