Is the Flathead River flooding?

Montana · 6 gauges · Montana river levels

The Flathead River is tracked by 6 USGS streamgauges in Montana. This page compares each gauge’s live water level against its official National Weather Service flood stage, refreshed every 15 minutes, so you can tell whether the Flathead River is running normal, rising toward flood stage, or already flooding. 2 of 6 gauges have both a usable water-level reading and a published minor flood stage. Gauges without a published flood stage show water level and flow only. For nearby rivers, see all Montana river levels.

data refreshed 14 min ago

Readings may be delayed; check each observation time below. This gauge summary does not rule out flooding on unmonitored stretches or nearby streets.

River facts

The longest-running gauge on this river is Flathead River near Polson MT. The highest level ever recorded there was 21.00 ft in June 1894, carrying 110,000 cfs. Peak records there go back to 1894 (118 annual peaks). It is currently at 4.68 ft, 16.3 ft below that record.

Drains 7,079 sq mi · gauge elevation 2,693 ft · source: USGS peak-flow record

GaugeStatusStageFlood stageUpdated
Flathead River at Columbia Falls MTNo flooding4.92 ft13 ft
Flathead River near Polson MTNo flooding4.68 ft18 ft
Flathead River near Kalispell, MTNo current data
Flathead River near Bigfork MTNo current data
Flathead River at Foys Bend near Kalispell MTNo flood stage defined95.88 ft
Flathead River at Perma MTNo flood stage defined7.91 ft
Provisional 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.