Rapid Creek above Johnson Siding

Last updated: Jun 29, 2025, 12:14 AM UTC
Severe Thunderstorm Watch

Flood Impacts 🅘

  • 9 - Major Flood Stage. Water begins to flow over the intersection of Forest Rd and Sonquist Lane.
  • 8.1 - Private property upstream from the bridge is completely flooded.
  • 8 - Water reaches the bottom of the bridge along Sonquist Lane.

Gauge Info

Coordinates 44.0819, -103.443
RFC MBRFC
State SD
WFO UNR
County Pennington
Data Provider(s)
US Geological Survey (USGS) USGS station 06411900

Gauge Location

Recent Crests

1. 3.96 ft on 07-03-2023
2. 3.45 ft on 06-06-2022
3. 3.54 ft on 05-04-2021
4. 3.95 ft on 04-26-2020
5. 4.54 ft on 05-31-2019

Historic Crests

1. 4.88 ft on 06-24-2015
2. 4.65 ft on 05-30-2011
3. 4.62 ft on 06-24-1998
4. 4.54 ft on 05-31-2019
5. 4.37 ft on 06-19-1999

Vertical Datum Table

type NAVD88
major Flooding 4308.08 ft
moderate Flooding 4305.08 ft
minor Flooding 4303.58 ft
action 4303.28 ft
Latest Value 4302.15 ft
Gauge Zero 4299.08 ft

Gauge Photos

Photo 1 of 3

Gage site

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