Western Flows
Montana

Montana

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

Stream Gauges

216

Reservoirs

7

Facilities
  • FLO
    Agency Canal Tailwaste Near Hardin, MT
    14.1 cfs
  • SNO
    Albro Lake
    0.0 in
  • FLO
    Badger Creek Below Four Horns Canal Near Browning, MT
    101 cfs
  • SNO
    Badger Pass
    0.1 in
  • SNO
    Banfield Mountain
    0.1 in
  • SNO
    Barker Lakes
    0.0 in
  • SNO
    Basin Creek
    0.0 in
  • SNO
    Bassoo Peak
    0.0 in
  • FLO
    Battle Creek Near Chinook, MT
    0.3 cfs
  • SNO
    Beagle Springs
    0.2 in
  • FLO
    Beaver Creek Near Hinsdale, MT
    31.8 cfs
  • SNO
    Beaver Creek
    0.1 in
  • FLO
    Beaverhead River At Barretts, MT
    76.1 cfs
  • FLO
    Beaverhead River At Dillon, MT
    75.7 cfs
  • FLO
    Beaverhead River Near Twin Bridges, MT
    86.4 cfs
  • FLO
    Beaverhead River At Twin Bridges, MT
    276 cfs
  • FLO
    Belt Creek Near Monarch, MT
    40.9 cfs
  • FLO
    Big Hole River Below Big Lake Creek At Wisdom, MT
    18.9 cfs
  • FLO
    Big Hole River Near Melrose, MT
    227 cfs
  • FLO
    Big Hole River Near Glen, MT
    214 cfs
  • FLO
    Big Hole River At Maiden Rock Near Divide, MT
    268 cfs
  • FLO
    Big Hole River Below Hamilton Ditch Near Twin Bridges, MT
    121 cfs
  • FLO
    Big Hole River Below Mudd Creek Near Wisdom, MT
    92 cfs
  • FLO
    Big Horn Canal Near St. Xavier, MT
    399 cfs
  • FLO
    Big Muddy Creek Near Antelope, MT
    1.6 cfs
  • FLO
    Big Muddy Creek Near Mouth Near Culbertson, MT
    2.2 cfs
  • FLO
    Big Sandy Creek Near Havre, MT
    13.2 cfs
  • FLO
    Big Sandy Creek Above Spring Coulee, Near Laredo, MT
    9.8 cfs
  • FLO
    Big Spring Creek At R&B Trading Post Near Lewistown, MT
    125 cfs
  • FLO
    Bighorn River At Bridge, At St. Xavier, MT
    1,630 cfs
  • FLO
    Bighorn River Above Tullock Creek Near Bighorn, MT
    1,670 cfs
  • FLO
    Bighorn River At Two Leggins Bridge, Near Hardin
    1,440 cfs
  • FLO
    Bighorn River Below Yellowtail Afterbay Dam Near St. Xavier
    1,520 cfs
  • FLO
    Birch Creek At Robare, MT
    ⚠️
    23.1 cfs
  • FLO
    Birch Creek At Bullhead Bridge, Near Valier, MT
    46.8 cfs
  • FLO
    Birch Creek Below Heart Butte Road, Near Heart Butte, MT
    82.4 cfs
  • FLO
    Birch Creek Main Canal At Diversion, Near Dupuyer, MT
    31.3 cfs
  • SNO
    Bisson Creek
    0.0 in
  • FLO
    Bitterroot Irrigation District Canal Near Darby, MT
    277 cfs
  • FLO
    Bitterroot River Near Darby, MT
    592 cfs
  • FLO
    Bitterroot River Near Missoula, MT
    1,010 cfs
  • FLO
    Bitterroot River At Bell Crossing Near Victor, MT
    588 cfs
  • SNO
    Black Bear
    0.0 in
  • SNO
    Black Pine
    0.0 in
  • FLO
    Blackfoot River Near Bonner, MT
    712 cfs
  • FLO
    Blackfoot River Above Nevada Creek Near Helmville, MT
    201 cfs
  • FLO
    Blacktail Creek Above Grove Gulch, At Butte, MT
    3.9 cfs
  • SNO
    Blacktail Mountain
    0.0 in
  • SNO
    Bloody Dick
    0.0 in
  • FLO
    Boulder Creek At Maxville, MT
    28.2 cfs
  • SNO
    Boulder Mountain
    0.0 in
  • FLO
    Boulder River Near Boulder, MT
    23.9 cfs
  • FLO
    Boulder River At Big Timber, MT
    82.6 cfs
  • SNO
    Box Canyon
    0.0 in
  • FLO
    Boxelder Creek At Box Elder, MT
    4.6 cfs
  • SNO
    Brackett Creek
    0.0 in
  • SNO
    Burnt Mountain
    0.0 in
  • SNO
    Calvert Creek
    0.0 in
  • RES
    Canyon Ferry
    80.0%
  • SNO
    Carrot Basin
    0.2 in
  • SNO
    Chicago Ridge
    0.0 in
  • RES
    Clark Canyon
    22.0%
  • FLO
    Clark Fork Near Galen, MT
    91.2 cfs
  • FLO
    Clark Fork At Deer Lodge, MT
    146 cfs
  • FLO
    Clark Fork At Goldcreek, MT
    221 cfs
  • FLO
    Clark Fork Near Drummond, MT
    424 cfs
  • FLO
    Clark Fork Above Missoula, MT
    1,510 cfs
  • FLO
    Clark Fork Below Missoula, MT
    2,370 cfs
  • FLO
    Clark Fork At St. Regis, MT
    2,720 cfs
  • FLO
    Clark Fork Near Plains, MT
    8,010 cfs
  • FLO
    Clark Fork Above Little Blackfoot River Near Garrison, MT
    148 cfs
  • FLO
    Clark Fork At Turah Bridge Near Bonner, MT
    816 cfs
  • FLO
    Clarks Fork Yellowstone River Near Belfry, MT
    159 cfs
  • FLO
    Clarks Fork Yellowstone River At Edgar, MT
    303 cfs
  • FLO
    Clear Creek Near Chinook, MT
    1 cfs
  • SNO
    Clover Meadow
    0.4 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
    52.4 cfs
  • FLO
    Cut Bank Creek Above Gillam Coulee, Near Sundance, MT
    19 cfs
  • SNO
    Daisy Peak
    0.0 in
  • SNO
    Daly Creek
    0.2 in
  • SNO
    Darkhorse Lake
    0.0 in
  • SNO
    Deadman Creek
    0.0 in
  • FLO
    Dearborn River Near Craig, MT
    33.2 cfs
  • SNO
    Divide
    0.1 in
  • SNO
    Dupuyer Creek
    0.0 in
  • FLO
    E Gallatin River Above Water Reclamation Fa Near Bozeman, MT
    35.7 cfs
  • SNO
    East Boulder Mine
    0.0 in
  • FLO
    East Boulder River Below Dry Fork Creek Near Mcleod, MT
    12.3 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
    73.4 cfs
  • FLO
    Flathead River At Columbia Falls, MT
    4,480 cfs
  • FLO
    Flathead River Near Polson, MT
    4,830 cfs
  • FLO
    Flathead River At Perma, MT
    5,420 cfs
  • SNO
    Flattop Mtn.
    0.1 in
  • FLO
    Flatwillow Creek Near Mosby, MT
    0 cfs
  • FLO
    Flint Creek Near Southern Cross, MT
    31.2 cfs
  • FLO
    Flint Creek At Maxville, MT
    144 cfs
  • FLO
    Flint Creek Near Drummond, MT
    171 cfs
  • RES
    Fresno
    46.3%
  • SNO
    Frohner Meadow
    0.0 in
  • FLO
    Gallatin River Near Gallatin Gateway, MT
    381 cfs
  • FLO
    Gallatin River At Logan, MT
    387 cfs
  • FLO
    Gallatin River Above Deer Creek, Near Big Sky, MT
    255 cfs
  • FLO
    Gardner River Near Mammoth, Ynp
    106 cfs
  • SNO
    Garver Creek
    0.1 in
  • RES
    Gibson
    49.4%
  • 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
    92.5%
  • FLO
    Hyalite Creek At Hyalite River S Near Bozeman, MT
    48.7 cfs
  • FLO
    Jefferson River Near Twin Bridges, MT
    480 cfs
  • FLO
    Jefferson River Near Three Forks, MT
    384 cfs
  • FLO
    Jefferson River At Parsons Bdg Near Silver Star, MT
    247 cfs
  • SNO
    Jl Meadow
    0.0 in
  • FLO
    Judith River Near Mouth, Near Winifred, MT
    231 cfs
  • FLO
    Judith River Above Carr Creek Near Utica, MT
    9.6 cfs
  • FLO
    Kootenai River Below Libby Dam Near Libby, MT
    6,760 cfs
  • SNO
    Kraft Creek
    0.0 in
  • FLO
    Lake Como Spillway Near Darby, MT
    0 cfs
  • RES
    Lake Sherburne
    75.4%
  • SNO
    Lakeview Ridge
    0.1 in
  • SNO
    Lemhi Ridge
    0.0 in
  • FLO
    Libby Wetland Site Below Schrieber Lake Near Libby, MT
    0.7 cfs
  • SNO
    Lick Creek
    0.0 in
  • FLO
    Little Bighorn River Near Crow Agency, MT
    42.3 cfs
  • FLO
    Little Bighorn River Near Hardin, MT
    18.9 cfs
  • FLO
    Little Bighorn River At State Line Near Wyola, MT
    74.6 cfs
  • FLO
    Little Blackfoot River Near Garrison, MT
    41.1 cfs
  • FLO
    Little Prickly Pear Creek At Wolf Creek, MT
    25 cfs
  • FLO
    Lodge Creek Near Chinook, MT
    0 cfs
  • SNO
    Lone Mountain
    0.0 in
  • FLO
    Lost Creek Near Anaconda, MT
    2.1 cfs
  • FLO
    Lost Creek Near Galen, MT
    12.8 cfs
  • SNO
    Lower Twin
    0.1 in
  • SNO
    Lubrecht Flume
    0.0 in
  • FLO
    M F Flathead River Near West Glacier, MT
    753 cfs
  • SNO
    Madison Plateau
    0.0 in
  • FLO
    Madison River Near West Yellowstone, MT
    290 cfs
  • FLO
    Madison River Near Cameron, MT
    938 cfs
  • FLO
    Madison River At Ennis, MT
    878 cfs
  • FLO
    Madison River Near Norris, MT
    1,170 cfs
  • FLO
    Madison River Above Powerplant Near Mcallister, MT
    105 cfs
  • FLO
    Madison River At Kirby Ranch Near Cameron, MT
    875 cfs
  • FLO
    Madison River Below Ennis Lake Near Mcallister, MT
    1,160 cfs
  • FLO
    Madison River Below Hebgen Lake Near Grayling, MT
    760 cfs
  • SNO
    Many Glacier
    0.0 in
  • FLO
    Marias River Near Shelby, MT
    219 cfs
  • FLO
    Marias River Near Chester, MT
    548 cfs
  • FLO
    Marias River Near Loma, MT
    643 cfs
  • FLO
    Mcdonald Creek At Apgar, MT
    131 cfs
  • FLO
    Middle Fork Rock Creek Near Philipsburg, MT
    73.3 cfs
  • FLO
    Milk River At Eastern Crossing Of Int Bndry
    549 cfs
  • FLO
    Milk River At Havre, MT
    94.6 cfs
  • FLO
    Milk River Near Harlem, MT
    214 cfs
  • FLO
    Milk River Near Dodson, MT
    13.7 cfs
  • FLO
    Milk River At Malta, MT
    43.3 cfs
  • FLO
    Milk River At Tampico, MT
    55.8 cfs
  • FLO
    Milk River At Nashua, MT
    ⚠️
    123 cfs
  • FLO
    Milk River At Juneberg Bridge Near Saco, MT
    94.7 cfs
  • FLO
    Milk River At Merrill Rd, Near Harlem, MT
    245 cfs
  • FLO
    Mill Creek Near Anaconda, MT
    ⚠️
    14.7 cfs
  • FLO
    Mill Creek At Opportunity, MT
    3.0 cfs
  • SNO
    Mill Creek
    0.0 in
  • FLO
    Mission Creek Above Reservoir Near St. Ignatius, MT
    57.4 cfs
  • FLO
    Missouri River At Toston, MT
    1,780 cfs
  • FLO
    Missouri River At Cascade, MT
    3,480 cfs
  • FLO
    Missouri River Near Ulm, MT
    3,470 cfs
  • FLO
    Missouri River Near Great Falls, MT
    3,930 cfs
  • FLO
    Missouri River At Fort Benton, MT
    4,610 cfs
  • FLO
    Missouri River At Virgelle, MT
    4,890 cfs
  • FLO
    Missouri River Near Landusky, MT
    ⚠️
    5,290 cfs
  • FLO
    Missouri River Near Wolf Point, MT
    6,860 cfs
  • FLO
    Missouri River Near Culbertson, MT
    7,040 cfs
  • FLO
    Missouri River Below Hauser Dam Near Helena, MT
    3,250 cfs
  • FLO
    Missouri River Below Holter Dam Near Wolf Creek, MT
    3,620 cfs
  • SNO
    Monument Peak
    0.0 in
  • SNO
    Moss Peak
    0.1 in
  • SNO
    Mount Lockhart
    0.0 in
  • FLO
    Muddy Creek At Vaughn, MT
    313 cfs
  • SNO
    Mule Creek
    0.0 in
  • FLO
    Musselshell River Near Martinsdale, MT
    8.2 cfs
  • FLO
    Musselshell River At Harlowton, MT
    26.2 cfs
  • FLO
    Musselshell River Above Big Coulee Creek At Lavina, MT
    53 cfs
  • FLO
    Musselshell River Near Roundup, MT
    82.9 cfs
  • FLO
    Musselshell River At Musselshell, MT
    55.4 cfs
  • FLO
    Musselshell River At Mosby, MT
    39.7 cfs
  • FLO
    Musselshell River Above Mud Creek Near Shawmut, MT
    2.4 cfs
  • FLO
    N F Flathead River Near Columbia Falls, MT
    851 cfs
  • FLO
    N F Milk River Above St. Mary Canal Near Browning, MT
    6.4 cfs
  • SNO
    N Fork Elk Creek
    0.0 in
  • FLO
    Nelson Creek Near Van Norman, MT
    0.1 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
    216 cfs
  • SNO
    North Fork Jocko
    0.0 in
  • FLO
    North Fork Sun River Near Augusta, MT
    135 cfs
  • SNO
    Northeast Entrance
    0.0 in
  • SNO
    Onion Park
    0.0 in
  • FLO
    Peoples Creek Near Cleveland, MT
    0 cfs
  • FLO
    Peoples Creek Near Hays, MT
    0 cfs
  • SNO
    Peterson Meadows
    0.0 in
  • SNO
    Pickfoot Creek
    0.1 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
    ⚠️
    0.2 cfs
  • FLO
    Poplar River Near Poplar, MT
    36.9 cfs
  • SNO
    Porcupine
    0.0 in
  • FLO
    Powder River At Moorhead, MT
    30.9 cfs
  • FLO
    Powder River Near Locate, MT
    ⚠️
    5.2 cfs
  • FLO
    Prickly Pear Creek Near Clancy, MT
    10.6 cfs
  • FLO
    Prospect Creek At Thompson Falls, MT
    50 cfs
  • FLO
    Red Lodge Creek Above Cooney Re Near Boyd, MT
    32.4 cfs
  • FLO
    Red Rock Creek Above Lakes, Near Lakeview, MT
    23.7 cfs
  • FLO
    Red Rock River Below Lima Reservoir Near Monida, MT
    16.7 cfs
  • FLO
    Redwater River At Circle, MT
    0.1 cfs
  • FLO
    Rock Creek Near Red Lodge, MT
    181 cfs
  • FLO
    Rock Creek Near Clinton, MT
    428 cfs
  • FLO
    Rock Creek Below Canal Diversion, Near Darby, MT
    4.3 cfs
  • FLO
    Rock Creek Below Horse Creek Near Int'L Boundary
    ⚠️
    0.1 cfs
  • SNO
    Rocker Peak
    0.0 in
  • SNO
    Rocky Boy
    0.0 in
  • FLO
    Rosebud Creek At Reservation Bndry Near Kirby, MT
    0 cfs
  • FLO
    Rosebud Creek Bel Lame Deer Creek Near Lame Deer, MT
    2.6 cfs
  • FLO
    Ruby River Near Twin Bridges, MT
    87.7 cfs
  • FLO
    Ruby River Above Reservoir Near Alder, MT
    95.8 cfs
  • FLO
    Ruby River Below Reservoir Near Alder, MT
    268 cfs
  • FLO
    S F Flathead River Near Columbia Falls, MT
    3,010 cfs
  • FLO
    S F Flathead River Above Twin Creek Near Hungry Horse, MT
    537 cfs
  • SNO
    S Fork Shields
    0.0 in
  • SNO
    Sacajawea
    0.0 in
  • SNO
    Saddle Mtn.
    0.1 in
  • FLO
    Shields River Near Livingston, MT
    40.7 cfs
  • FLO
    Shields River Below South Fork Shields River Near Wilsall, MT
    11.9 cfs
  • SNO
    Short Creek
    0.0 in
  • SNO
    Shower Falls
    0.0 in
  • FLO
    Silver Bow Creek At Montana Street, At Butte, MT
    6.0 cfs
  • FLO
    Silver Bow Creek Below Blacktail Cr, At Butte, MT
    15 cfs
  • FLO
    Silver Bow Creek At Opportunity, MT
    20.3 cfs
  • FLO
    Silver Bow Creek At Warm Springs, MT
    32.1 cfs
  • SNO
    Skalkaho Summit
    0.0 in
  • SNO
    Slagamelt Lakes
    0.4 in
  • SNO
    Sleeping Woman
    0.0 in
  • FLO
    Smith River Near Ft Logan, MT
    43 cfs
  • FLO
    Smith River Near Eden, MT
    63.8 cfs
  • FLO
    Smith River Below Eagle Creek Near Fort Logan, MT
    71 cfs
  • FLO
    South Fork Jocko River Near Arlee, MT
    32.4 cfs
  • FLO
    South Fork Sun River Near Augusta, MT
    122 cfs
  • SNO
    Spur Park
    0.0 in
  • FLO
    St. Mary Canal At St. Mary Crossing Near Babb, MT
    617 cfs
  • FLO
    St. Mary River Near Babb, MT
    892 cfs
  • FLO
    St. Regis River Near St. Regis, MT
    95.4 cfs
  • SNO
    Stahl Peak
    0.0 in
  • FLO
    Stillwater River Near Absarokee, MT
    382 cfs
  • FLO
    Stillwater River At Lawrence Park, At Kalispell
    123 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
    313 cfs
  • FLO
    Sun River Near Vaughn, MT
    750 cfs
  • FLO
    Sun River Below Diversion Dam Near Augusta, MT
    190 cfs
  • FLO
    Sun River Below Willow Creek Near Augusta, MT
    223 cfs
  • FLO
    Swan River Near Bigfork, MT
    471 cfs
  • FLO
    Swiftcurrent Creek At Many Glacier, MT
    48.3 cfs
  • FLO
    Tenmile Creek Near Rimini, MT
    1.1 cfs
  • FLO
    Tenmile Creek Near Helena, MT
    2.0 cfs
  • SNO
    Tepee Creek
    0.0 in
  • FLO
    Teton River At Loma, MT
    5.1 cfs
  • FLO
    Teton River Below South Fork Near Choteau, MT
    101 cfs
  • FLO
    Thompson River Near Thompson Falls, MT
    152 cfs
  • SNO
    Tizer Basin
    0.0 in
  • FLO
    Tobacco River At Eureka, MT
    84.5 cfs
  • FLO
    Tongue River At Ashland, MT
    108 cfs
  • FLO
    Tongue River At Miles City, MT
    ⚠️
    28.1 cfs
  • FLO
    Tongue River At Birney Day School Bridge Near Birney, MT
    91.6 cfs
  • FLO
    Tongue River At State Line Near Decker, MT
    44.8 cfs
  • FLO
    Tongue River At Tongue River Dam Near Decker, MT
    ⚠️
    105 cfs
  • FLO
    Tongue River Below Brandenberg Bridge Near Ashland, MT
    ⚠️
    147 cfs
  • SNO
    Twelvemile Creek
    0.1 in
  • SNO
    Twin Lakes
    0.1 in
  • FLO
    Two Medicine River Above Badger Cr, Near Piegan, MT
    44.1 cfs
  • FLO
    Two Medicine River Below South Fork Near Browning, MT
    170 cfs
  • FLO
    W Rosebud Creek At Emerald Lk Campground Near Roscoe
    126 cfs
  • SNO
    Waldron
    0.0 in
  • SNO
    Warm Springs
    0.0 in
  • FLO
    Warm Springs Creek Near Anaconda, MT
    101 cfs
  • FLO
    Warm Springs Creek At Warm Springs, MT
    55.7 cfs
  • FLO
    West Fork Bitterroot River Near Conner, MT
    336 cfs
  • FLO
    West Rosebud Creek Near Roscoe, MT
    98.5 cfs
  • SNO
    West Yellowstone
    0.4 in
  • SNO
    Whiskey Creek
    0.1 in
  • FLO
    White Horse Canal Near Silesia, MT
    20.1 cfs
  • SNO
    White Mill
    0.0 in
  • FLO
    Willow Creek Near Harrison, MT
    5.0 cfs
  • FLO
    Willow Creek Near Galata, MT
    0 cfs
  • FLO
    Willow Creek Near Boyd, MT
    39.7 cfs
  • FLO
    Willow Creek Near Anaconda, MT
    1.6 cfs
  • FLO
    Willow Creek At Opportunity, MT
    5.5 cfs
  • RES
    Willow Creek
    40.0%
  • SNO
    Wood Creek
    0.0 in
  • FLO
    Yaak River Near Troy, MT
    99.1 cfs
  • FLO
    Yellowstone River At Corwin Springs, MT
    1,580 cfs
  • FLO
    Yellowstone River Near Livingston, MT
    1,870 cfs
  • FLO
    Yellowstone River At Billings, MT
    2,460 cfs
  • FLO
    Yellowstone River At Forsyth, MT
    3,970 cfs
  • FLO
    Yellowstone River At Miles City, MT
    4,350 cfs
  • FLO
    Yellowstone River At Glendive, MT
    4,260 cfs
  • FLO
    Yellowstone River Near Sidney, MT
    ⚠️
    3,000 cfs
  • FLO
    Yellowstone River Fish Bypass Channel Near Intake, MT
    ⚠️
    589 cfs

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