MEDIAN FLOW RATE · 7 DAY
133cfs 28.2% vs avg
Optimal band: 161–217 cfs
PERIOD HIGH
222cfs
PERIOD LOW
127cfs
RUNNABLE
38%
last 7 day in band
Gauge Height
2.41ft
Water Temperature
50.0°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 00:00 UTC
Site #06306300·USGS
Create a free account to save favorites, set flow alerts, and track conditions
