Rapid Creek below Hawthorne Ditch at Rapid City, SD

River level and flood forecast · Pennington County

Normal9.4 ftas of Mon 12:40 PM

The river is 6.6 ft below flood stage (16 ft).

The last 7 days and the forecast

81012141618TueWedThuFriSatSunMonAction 13 ftFlood 16 ftNowObserved (ft)NWS forecast

NWS forecast issued Sun, Dec 31, 5 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Flood stage16 ft
Action stage13 ft
Record crest (June 9, 1972)24.3 ft

What floods at each level

From the National Weather Service, highest first.

  • 16 ftFlood stage. Minor flooding along Rapid Creek in eastern portions of Rapid City.
  • 15.5 ftRight bank begins overflowing.
  • 13 ftAction stage. Low lying areas along Rapid Creek may begin to flood.

Highest crests on record

  1. 24.3 ft — June 9, 1972
  2. 16.81 ft — August 5, 2014
  3. 16.77 ft — July 4, 2019
  4. 16.26 ft — May 24, 2010
  5. 16.05 ft — June 18, 2015

Recent crests: 13.44 ft (August 11, 2024) · 13.93 ft (May 29, 2023) · 15.1 ft (July 24, 2022) · 12.67 ft (May 23, 2021) · 14.36 ft (June 4, 2020)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (HAWS2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.