IsItFlooding

Chagrin River at Willoughby OH

Lake County, Ohio · USGS gauge 04209000 · NWS WBYO1 · Ohio river levels

Is Chagrin River at Willoughby OH flooding right now?

Chagrin River at Willoughby OH measured 3.54 ft on 2026-09-11 01:45:00 UTC. That observation was 8.5 ft below its 12 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
3.54 ft
as of 20 min ago
Streamflow
143 cfs
data refreshed 4 min ago

Minor flooding here begins at 12 ft, with major flooding at 16 ft. The highest crest on record was 17.95 ft on Mon, Mar 22, 1948.

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
Action9 ft5.5 ft below
Minor flood12 ft8.5 ft below
Moderate flood14 ft10.5 ft below
Major flood16 ft12.5 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
17.95 ft1948-03-22
17.14 ft1989-05-26
16.83 ft1969-05-19
16.73 ft1959-01-21
16.57 ft2011-02-28

Nearby gauges

GaugeDistanceCounty
East Branch Euclid Creek at Richmond Heights OH6.1 miCuyahoga County
Unnamed Tributary to Chagrin River at Mayfield Village OH6.4 miCuyahoga County
Euclid Creek near Euclid OH8.4 miCuyahoga County
Euclid Creek at Cleveland OH8.7 miCuyahoga County
Euclid Creek at South Euclid OH9.3 miCuyahoga 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