River levels near Decker, Montana
0 of 2 gauges have both a usable water-level reading and a published minor flood stage. Readings may be delayed; check the observation time on each gauge page. This summary does not establish whether streets or unmonitored waterways near Decker are flooding.
Tongue River at State Line near Decker MTTongue River at Tongue River Dam near Decker MTProvisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.