Is the Fox River (Tailwater) flooding?

Illinois · 3 gauges · Illinois river levels

The Fox River (Tailwater) is tracked by 3 USGS streamgauges in Illinois. This page compares each gauge’s live water level against its official National Weather Service flood stage, refreshed every 15 minutes, so you can tell whether the Fox River (Tailwater) is running normal, rising toward flood stage, or already flooding. 2 of 3 gauges have both a usable water-level reading and a published minor flood stage. Gauges without a published flood stage show water level and flow only. For nearby rivers, see all Illinois river levels.

data refreshed 3 min ago

Readings may be delayed; check each observation time below. This gauge summary does not rule out flooding on unmonitored stretches or nearby streets.

River facts

The longest-running gauge on this river is Fox River (Tailwater) at Algonquin, IL. The highest level ever recorded there was 13.18 ft on 23 July 2017, carrying 7,900 cfs. Peak records there go back to 2010 (16 annual peaks). It is currently at 8.37 ft, 4.8 ft below that record.

Drains 1,429 sq mi · gauge elevation 719 ft · source: USGS peak-flow record

GaugeStatusStageFlood stageUpdated
Fox River (Tailwater) near Mchenry, ILNear flood stage3.58 ft4 ft
Fox River (Tailwater) at Algonquin, ILNo flooding8.37 ft9.5 ft
Fox River Tailwater at Yorkville, ILNo flood stage defined9.09 ft
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.