Cheyenne River at Edgemont

Last updated: Jun 14, 2025, 2:43 PM UTC
No watches, warnings or advisories are in effect for this area.

Flood Impacts 🅘

  • 14 - Highest known flood occurred May 1 1922.
  • 13.65 - Highest flood for the period of record occurred May 20 1978.
  • 13 - Major Flood Stage. Extensive flooding along the Cheyenne River upstream of Angostura Reservoir with inundation of structures and roads possible.

Gauge Info

Coordinates 43.3055, -103.821
RFC MBRFC
State SD
WFO UNR
County Fall River
Data Provider(s)
US Geological Survey (USGS) USGS station 06395000

Gauge Location

Recent Crests

1. 4.79 ft on 10-15-2023
2. 4.86 ft on 07-09-2023
3. 2.28 ft on 06-08-2022
4. 4.83 ft on 05-24-2021
5. 4.51 ft on 03-08-2020

Historic Crests

1. 14.00 ft on 05-01-1922
2. 13.65 ft on 05-20-1978
3. 13.00 ft on 05-12-1920
4. 11.46 ft on 06-17-1962
5. 10.57 ft on 05-25-1971

Vertical Datum Table

type NAVD88
major Flooding 3429.32 ft
moderate Flooding 3427.32 ft
minor Flooding 3425.32 ft
action 3424.32 ft
Latest Value 3418.46 ft
Gauge Zero 3416.32 ft

Gauge Photos

Photo 1 of 8

Looking upstream

Probability Information

No Images Available

Collaborative Agencies

The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.

WFO Information

Weather Forecast Office
Rapid City
300 East Signal Drive
Rapid City, SD 57701-3800
Official Homepage