Is the Swan River flooding?

Montana · 2 gauges · Montana river levels

The Swan River is tracked by 2 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 Swan River is running normal, rising toward flood stage, or already flooding. 1 of 2 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 Swan River near Bigfork, MT. The highest level ever recorded there was 7.34 ft on 20 June 1974, carrying 8,890 cfs. Peak records there go back to 1922 (102 annual peaks). It is currently at 2.57 ft, 4.8 ft below that record.

Drains 672 sq mi · gauge elevation 3,063 ft · source: USGS peak-flow record

GaugeStatusStageFlood stageUpdated
Swan River near Bigfork, MTNo flooding2.57 ft6.5 ft
Swan River near Condon MTNo current data
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.