South Canyon near Rapid City, SD

Pennington County, South Dakota · USGS gauge 06413620 · NWS ECHS2 · South Dakota river levels

Nearby: river levels near Rapid City

Is South Canyon near Rapid City, SD flooding right now?

South Canyon near Rapid City, SD measured 3.57 ft on 2026-09-11 00:45:00 UTC. That observation was 2.4 ft below its 6 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
3.57 ft
as of 2 hours ago
Streamflow
0 cfs
data refreshed 14 min ago

Minor flooding here begins at 6 ft, with major flooding at 7 ft. The highest crest on record was 5.84 ft on Wed, May 17, 2023.

Flood stages at this gauge

CategoryStageCurrent distance
Action4.5 ft0.9 ft below
Minor flood6 ft2.4 ft below
Moderate flood6.5 ft2.9 ft below
Major flood7 ft3.4 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
5.84 ft2023-05-17
5.12 ft2018-07-21
4.96 ft2019-05-28
4.7 ft2007-08-17
4.64 ft2001-07-15

Nearby gauges

GaugeDistanceCounty
City Springs at Rapid City, SD1.7 miPennington County
Wild Irishman Gulch near Rapid City, SD2.1 miPennington County
Cleghorn Springs Main Ch at Fish Hatch at Rc, SD2.7 miPennington County
Cleghorn Springs N Channel at Fish Hatch at Rc, SD2.7 miPennington County
Cleghorn Springs S Channel at Fish Hatch at Rc, SD2.7 miPennington 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