Boulder River below Natural Bridge, MT

SWEET GRASS COUNTY, MT45.5554°N, -110.2007°W Updated 51 min ago

FLOW RATE

101.348cfs

GAUGE HT

3.68ft

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

101.348cfs

Optimal band: 91–124 cfs

PERIOD HIGH

118.331cfs

PERIOD LOW

101.348cfs

RUNNABLE

100%

last 1 day in band

Gauge Height

3.68ft

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45.5554, -110.2007

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DATA · MT DNRC · NOAA · NWSUPDATED 2026-09-22 20:45 UTC

Site #43BJ 03800·MT DNRC

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