MEDIAN FLOW RATE · 30 DAY
23cfs 35.8% vs avg
Optimal band: 20–26 cfs
PERIOD HIGH
32cfs
PERIOD LOW
16cfs
RUNNABLE
61%
last 30 day in band
Gauge Height
4.99ft
Weather Map
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Your History · Boulder River near Boulder, MT
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Station Location
46.2110, -112.0917Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-09-01 00:00 UTC
Site #06033000·USGS
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