Rock River below Tom Creek at Rock Rapids, IA

Lyon County, Iowa · USGS gauge 06483290 · NWS RAPI4 · Rock River flood status · Iowa river levels

Is Rock River below Tom Creek at Rock Rapids, IA flooding right now?

Rock River below Tom Creek at Rock Rapids, IA measured 7.05 ft on 2026-09-11 01:15:00 UTC. That observation was 6.0 ft below its 13 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
7.05 ft
as of 55 min ago
Streamflow
58 cfs
data refreshed 9 min ago

Minor flooding here begins at 13 ft, with major flooding at 19 ft. The highest crest on record was 28.65 ft on Sat, Jun 22, 2024.

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
Action11 ft4.0 ft below
Minor flood13 ft6.0 ft below
Moderate flood16 ft8.9 ft below
Major flood19 ft11.9 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
28.65 ft2024-06-22
26.98 ft2014-06-17
22.25 ft2010-09-25
21.54 ft2019-09-14
20.8 ft2018-06-22

Nearby gauges

GaugeDistanceCounty
Burr Oak Creek near Perkins, IA12.3 miSioux County
Rock River near Rock Valley, IA15.8 miSioux County
Split Rock Creek at Corson, SD24.1 miMinnehaha County
Little Floyd River near Sanborn, IA27.5 miO'Brien County
Big Sioux River at North Cliff Ave at Sioux Falls, SD29.1 miMinnehaha 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