Waterlands
Boulder River (Yellowstone)
USGS · 06200000
BOULDER RIVER (YELLOWSTONE)
USGS · 06200000LIVE

Boulder River at Big Timber, MT

SWEET GRASS COUNTY, MT45.8338°N, -109.9387°W Updated 18 hr ago
FLOW RATE
113cfs
GAUGE HT
1.19ft
Flow Rate Historical Avg
MEDIAN FLOW RATE · 7 DAY
113cfs 50.3% vs avg
Optimal band: 95–129 cfs
PERIOD HIGH
116cfs
PERIOD LOW
80cfs
RUNNABLE
75%
last 7 day in band

Gauge Height

1.19ft
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Station Location

45.8338, -109.9387
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DATA · USGS · NOAA · NWSUPDATED 2026-10-16 00:00 UTC
Site #06200000·USGS

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