River Conditions
Illustrated map of Flathead Lake

River stage

Flathead River

River level
Normal
Status
Below flood stage

Latest readings 2026-10-13 | NWS · USGS

Gauges reporting
3 of 3
Above flood stage
0
Above action stage
0
Overall
Below flood stage
Publisher
NWS · USGS

In brief

On Oct 13, 2026, 3 of 3 gauges on the Flathead River reported, and none was above flood stage.

Source: National Weather Service and USGS gauges

Flathead River levels, gauge by gauge

The Flathead River is measured at 3 gauges. Flood stages are set per gauge, so the same river is "high" at one town and normal at the next.

LocationState Level Flood stage Status
Columbia Falls MT 3.78 ft 13.00 ft normal, steady
Perma MT 8.55 ft — no flood stage set
Polson MT 5.45 ft 18.00 ft normal, steady

Recent levels on the Flathead River

The gauge with the fullest recent record on this river is Columbia Falls, MT, with 122 days of readings.

Full history for Columbia Falls →

Other rivers nearby

Frequently asked questions

Is the Flathead River flooding right now?

No. Every one of the 3 reporting gauges on the Flathead River is below flood stage as of 2026-10-13.

How high is the Flathead River?

The river is measured at several points and each reads a different height. Columbia Falls is at 3.78 ft; Polson is at 5.45 ft.

Where is the Flathead River measured?

The National Weather Service and USGS operate 3 gauges on the Flathead River in Montana.

What does flood stage mean?

Flood stage is the height at which a river begins to cause problems at that specific location. It is set per gauge, so the same river can be above flood stage in one town and normal a few miles downstream. Action stage is the lower level at which forecasters start watching closely.

River stages and flood categories from the NOAA National Weather Service; daily history from the U.S. Geological Survey. For flood safety decisions always follow official National Weather Service warnings.