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Local Info
Critical Stages
Action8' - FloodModerate FloodMajor Flood
Boulder River - Gauge BTMM8
Big Timber, MT
Lat: 45.83N, Lon: 109.94W
 
Latest Observation
Updated: 2:15 AM MST 11/8/25
Stage:1.53 ft
Flow:0.252 kcfs*
* Thousand cubic feet per second
Forecast
hydrograph
Flood Impacts
Historical Crests

Data provided by NOAA Advanced Hydrologic Prediction Service

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