Maximum discharge along the river was observed at the Flathead River Near Polson Mt with a streamflow rate of 12,000 cfs. However, the deepest point on the river is located at the Flathead River At Perma Mt reporting a gauge stage of 10.12 ft. This river is monitored from 4 different streamgauging stations along the Flathead River, the highest being perched at an elevation of 3,983 ft, the Flathead River At Flathead British Columbia .

Streamflow conditions and seasonal statistics

Streamgauges reporting the most discharge on the Flathead River

Discharge comparison for the highest gauges over the past 10 days

Streamflow discharge range for this time of year