River Conditions
Illustrated map of Cowlitz River at Randle

River stage

Stillaguamish River

River level
Normal
Status
Below flood stage

Latest readings 2026-10-13 | NWS · USGS

Gauges reporting
4 of 4
Above flood stage
0
Above action stage
0
Overall
Below flood stage
Publisher
NWS · USGS

In brief

On Oct 13, 2026, 4 of 4 gauges on the Stillaguamish River reported, and none was above flood stage.

Source: National Weather Service and USGS gauges

Stillaguamish River levels, gauge by gauge

The Stillaguamish River is measured at 4 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
NWS gauge SPHW1 WA 15.80 ft — no flood stage set
Arlington WA 0.10 ft 14.00 ft normal, steady
I-5 WA 23.88 ft — no flood stage set
Stanwood WA 6.90 ft — no flood stage set

Other rivers nearby

Frequently asked questions

Is the Stillaguamish River flooding right now?

No. Every one of the 4 reporting gauges on the Stillaguamish River is below flood stage as of 2026-10-13.

How high is the Stillaguamish River?

The river is measured at several points and each reads a different height. Arlington is at 0.10 ft.

Where is the Stillaguamish River measured?

The National Weather Service and USGS operate 4 gauges on the Stillaguamish River in Washington.

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.