This web page was developed to pull all hydrology products into one location. Click on the tabs above to observe the river and stream gauges within each county that is serviced by the National Weather Service in Missoula, Montana.
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| Warm Springs Creek Near Anaconda |
| Snyder Creek Near West Glacier | South Fork Flathead River Near Hungry Horse |
| Flathead River at Foys Bend | Ashley Creek at Kalispell |
Hungry Horse Reservoir Observations |
Flathead Lake Observations |
Full Pool 3560 Feet |
Full Pool 2893 Feet |
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| Hungry Horse Reservoir | Flathead Lake |
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| Clark Fork River Near Drummond | Rock Creek Near Clinton |
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| Swan River Near Bigfork | Flathead River Near Polson |
| South Crow Creek near Ronan | Mission Creek above reservoir near St. Ignatius |
| South Fork Jocko River near Arlee |
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| Flathead Lake |
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| Yaak River Near Troy | Kootenai River Below Libby Dam |
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| Fisher River Near Libby |
| Tobacco River at Eureka | Kootenai River At Leonia, ID |
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| Lake Koocanusa |
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| St. Regis River Near St. Regis | Clark Fork River At St. Regis |
| Clark Fork at Superior |
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| Clark Fork River Above Missoula | Clark Fork River Below Missoula |
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| Bitterroot River Near Missoula | Blackfoot River Near Bonner |
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| Rock Creek Near Clinton |
| Clark Fork at Turah Bridge near Bonner | Rattlesnake Creek near Missoula |
| Lolo Creek below HWY 93 | Lolo Creek above Sleeman Creek |
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| Clark Fork River At Deer Lodge | Cottonwood Creek at Deer Lodge |
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| Bitterroot River Near Darby | Bitterroot River Near Victor |
| West Fork Bitterroot River near Conner |
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| Clark Fork River Near Plains | Thompson River Near Thompson Falls |
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| Prospect Creek At Thompson Falls |
| Clark Fork near Paradise | Mill Creek above Bassoo Creek near Niarada |
| Flathead River at Perma |
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| Blacktail Creek At Butte |
| Big Hole River near Wise River | Silver Bow Creek below Blacktail Creek at Butte |
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| Clearwater River At Orofino | Orofino Creek Near Orofino |
| North Fork Clearwater River near Canyon Ranger Station | North Fork Clearwater River At Ahsahka |
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| Dworshak Reservoir |
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| Selway River Near Lowell | South Fork Clearwater River at Stites |
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| Little Salmon River at Riggins | Salmon River at Whitebird |
| Lochsa River Near Lowell | Clear Creek At Kooskia | Lolo Creek Near Greer |
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| Lemhi River Near Lemhi | Salmon River at Salmon |
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