Is the Fox River flooding?

Illinois · 9 gauges · Illinois river levels

The Fox River is tracked by 9 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 is running normal, rising toward flood stage, or already flooding. 6 of 9 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 2 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 at Dayton, IL. The highest level ever recorded there was 24.63 ft on 11 October 1954, carrying 47,100 cfs. Peak records there go back to 1915 (109 annual peaks). It is currently at 10.31 ft, 14.3 ft below that record.

Drains 2,642 sq mi · gauge elevation 462 ft · source: USGS peak-flow record

GaugeStatusStageFlood stageUpdated
Fox River at Johnsburg, ILNo flooding4.62 ft6.5 ft
Fox River at Algonquin, ILNo flooding1.40 ft3 ft
Fox River at South Elgin, ILNo flooding13.45 ft14.5 ft
Fox River at Montgomery, ILNo flooding12.43 ft13.5 ft
Fox River at Yorkville, ILNo flooding13.66 ft15.5 ft
Fox River at Dayton, ILNo flooding10.31 ft12 ft
Fox River at Miller Bridge near Mchenry, ILNo current data
Fox River near Mchenry, ILNo flood stage defined4.10 ft
Fox River at South Elgin, Il (Tailwater)No flood stage defined7.59 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.