Is the Rock River flooding?

Iowa · 2 gauges · Iowa river levels

The Rock River is tracked by 2 USGS streamgauges in Iowa. 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 Rock River is running normal, rising toward flood stage, or already flooding. 2 of 2 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 Iowa river levels.

data refreshed 5 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 Rock River near Rock Valley, IA. The highest level ever recorded there was 27.70 ft on 22 June 2024, carrying 157,000 cfs. Peak records there go back to 1897 (79 annual peaks). It is currently at 6.41 ft, 21.3 ft below that record.

Drains 1,592 sq mi · gauge elevation 1,223 ft · source: USGS peak-flow record

Gauge	Status	Stage	Flood stage	Updated
Rock River below Tom Creek at Rock Rapids, IA	No flooding	7.05 ft	13 ft	67 min ago
Rock River near Rock Valley, IA	No flooding	6.41 ft	16 ft	82 min ago

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.