Boulder River at Big Timber MT

USGS

Montana (45.83411, -109.9388) · View on map

Current reading

89.8 CFS

Gauge height: 1.07 FT

Read about 2 hours ago · Aug 26, 2026 4:00 AM MDT

▼ -0.16/hr (12h) ▼ -0.24/hr (24h)

Live gauge website ↗ NOAA hydrograph ↗ NOAA gauge code: BTMM8