Yellow River near Ion, IA

Allamakee County, Iowa · USGS gauge 05389000 · NWS YRII4 · Iowa river levels

Is Yellow River near Ion, IA flooding right now?

Yellow River near Ion, IA measured 5.62 ft on 2026-09-11 01:45:00 UTC. That observation was 7.4 ft below its 13 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
5.62 ft
as of 25 min ago
Streamflow
99 cfs
data refreshed 8 min ago

Minor flooding here begins at 13 ft, with major flooding at 17 ft. The highest crest on record was 17.11 ft on Tue, Feb 10, 2009.

Streamflow outlook

NOAA National Water Model forecast, issued 14 hours ago. The NWM models discharge for every river reach in the country, including the many gauges the National Weather Service does not forecast individually. It is a model, not an official NWS river forecast, and it predicts flow rather than water level.

Flood stages at this gauge

CategoryStageCurrent distance
Action10 ft4.4 ft below
Minor flood13 ft7.4 ft below
Moderate flood15 ft9.4 ft below
Major flood17 ft11.4 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
17.11 ft2009-02-10
16.03 ft2008-06-09
15.2 ft1941-05-29
14.97 ft2008-04-26
14.64 ft2007-08-20

Last 7 days

Past 7 days · 5.54–5.82 ft

Nearby gauges

GaugeDistanceCounty
Bloody Run Creek near Marquette, IA5.7 miClayton County
Mississippi River at McGregor, IA7.5 miClayton County
Sny Magill Creek near Clayton, IA11.9 miClayton County
Silver Creek near Luana, IA (L-23S)12.9 miClayton County
Roberts Creek above Saint Olaf, IA (RC-2)13.9 miClayton 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