Is the Blackfoot River flooding?

Montana · 2 gauges · Montana river levels

The Blackfoot 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 Blackfoot 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 7 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 Blackfoot River near Bonner MT. The highest level ever recorded there was 11.09 ft on 11 May 2018, carrying 18,800 cfs. Peak records there go back to 1899 (91 annual peaks). It is currently at 2.36 ft, 8.7 ft below that record.

Drains 2,287 sq mi · gauge elevation 3,345 ft · source: USGS peak-flow record

Gauge	Status	Stage	Flood stage	Updated
Blackfoot River near Bonner MT	No flooding	2.36 ft	10 ft	70 min ago
Blackfoot River above Nevada Creek near Helmville MT	No 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.