South Fork Bad River near Cottonwood

Last updated: Jun 6, 2025, 8:35 AM UTC
Dense Fog Advisory

Flood Impacts 🅘

  • 18 - Major flood stage. Extensive flooding of agricultural land and inundation of structures and roads.
  • 16 - Moderate flood stage. Extensive flooding of agricultural land with some inundation of structures and roads possible.
  • 12 - Flood stage. Flooding of agricultural land begins.

Gauge Info

Coordinates 43.9690, -101.767
RFC MBRFC
State SD
WFO UNR
County Jackson
Data Provider(s)
US Geological Survey (USGS) USGS Station 06440200

Gauge Location

Recent Crests

1. 9.14 ft on 04-09-2024
2. 11.30 ft on 05-13-2023
3. 7.89 ft on 07-05-2022
4. 7.64 ft on 05-23-2021
5. 6.92 ft on 07-10-2020

Historic Crests

1. 17.89 ft on 05-31-1991
2. 16.71 ft on 05-28-1996
3. 16.59 ft on 05-22-2019
4. 15.75 ft on 02-08-1997
5. 14.39 ft on 06-03-1997

Vertical Datum Table

type NAVD88
major Flooding 2262.59 ft
moderate Flooding 2260.59 ft
minor Flooding 2256.59 ft
action 2254.59 ft
Latest Value 2248.84 ft
Gauge Zero 2244.59 ft

Gauge Photos

No Images Found

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