South Fork Whetstone River near Milbank

Last updated: Aug 11, 2025, 9:52 AM UTC
No watches, warnings or advisories are in effect for this area.

Flood Impacts 🅘

  • 1117 - 479th Avenue begins to flood.
  • 1115 - 148th Street begins to flood, water reaches the bottom of the bridge on 479th Avenue, and there is major agricultural flooding.
  • 1113 - Water reaches the bottom of the bridge on 148th Street.

Gauge Info

Coordinates 45.2329, -96.6189
RFC NCRFC
State SD
WFO ABR
County Grant
Data Provider(s)
South Dakota -DANR South Dakota -DANR

Gauge Location

Vertical Datum Table

type NAVD88
major Flooding 1117.00 ft
moderate Flooding 1115.00 ft
minor Flooding 1113.00 ft
action 1110.00 ft
Latest Value 1105.11 ft
Gauge Zero 0.00 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
Aberdeen
824 Brown County 14 South
Aberdeen, SD 57401
Official Homepage