MEDIAN FLOW RATE · 1 DAY
134cfs 39.4% vs avg
Optimal band: 125–169 cfs
PERIOD HIGH
160cfs
PERIOD LOW
134cfs
RUNNABLE
100%
last 1 day in band
Gauge Height
2.41ft
Water Temperature
50.2°F
Weather Map
Loading weather map…
Your History · Tongue River at State Line, near Decker, MT
Track your history
Sign in to track your sessions at Tongue River at State Line, near Decker, MT: best days, monthly trends, and time on the water.
Sign inSPONSORED
Station Location
45.0091, -106.8359Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-10-17 00:15 UTC
Site #06306300·USGS
Create a free account to save favorites, set flow alerts, and track conditions
