Siuslaw River near Mapleton, OR

Lane County, Oregon · USGS gauge 14307620 · NWS MPLO3 · Siuslaw River flood status · Oregon river levels

Is Siuslaw River near Mapleton, OR flooding right now?

Siuslaw River near Mapleton, OR measured 3.14 ft on 2026-09-11 01:00:00 UTC. That observation was 14.9 ft below its 18 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
3.14 ft
as of 64 min ago
Streamflow
159 cfs
data refreshed 2 min ago

Minor flooding here begins at 18 ft, with major flooding at 28 ft. The highest crest on record was 30.21 ft on Wed, Feb 7, 1996.

Flood forecast

NWS forecast, issued 10 hours ago. Forecasts are issued for select river points and update through the day.

Flood stages at this gauge

CategoryStageCurrent distance
Action15 ft11.9 ft below
Minor flood18 ft14.9 ft below
Moderate flood22 ft18.9 ft below
Major flood28 ft24.9 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Highest crests on record

StageDate
30.21 ft1996-02-07
28.45 ft1972-01-21
28.28 ft1974-01-16
28.07 ft2012-01-19
28 ft1964-12-16

Last 7 days

Past 7 days · 3.14–4.19 ft

Nearby gauges

GaugeDistanceCounty
Lake Creek at Swisshome, OR4.4 miLane County
Lake Creek near Deadwood, Oreg.5.0 miLane County
Big Creek near Roosevelt Beach, Oreg.11.6 miLane County
Siuslaw River near Alma, OR16.6 miLane County
East Fork Lobster Creek near Alsea, Or.17.7 miLane County
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.

Sources: USGS monitoring location · NWS gauge & forecast