Spring Creek near Hill City, SD

River level and flood forecast · Pennington County

Normal4.2 ftas of Mon 1:45 PM

The river is 2.3 ft below flood stage (6.5 ft).

The last 7 days and the forecast

345678TueWedThuFriSatSunMonAction 5.5 ftFlood 6.5 ftModerate 7 ftMajor 8 ftNowObserved (ft)NWS forecast

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

Flood stages

Major flood stage8 ft
Moderate flood stage7 ft
Flood stage6.5 ft
Action stage5.5 ft
Record crest (June 18, 1998)8.23 ft

What floods at each level

From the National Weather Service, highest first.

  • 8 ftMajor Flood Stage. Extensive flooding with inundation of structures and roads.
  • 7 ftModerate Flood Stage. Some inundation of structures and roads are possible.
  • 6.5 ftMinor Flood Stage. Banks begin to overflow. Minor flooding may begin to occur downstream.
  • 6 ftCreek begins to spread out across most of the right bank causing flooding of low-lying areas downstream from the gage.
  • 5.5 ftAction Stage. The lowest areas along the river begin to flood.

Highest crests on record

  1. 8.23 ft — June 18, 1998
  2. 7.26 ft — May 28, 2019
  3. 7.22 ft — May 28, 2015
  4. 6.71 ft — May 25, 2010
  5. 6.26 ft — June 27, 2014

Recent crests: 4.79 ft (October 12, 2023) · 4.97 ft (May 28, 2023) · 5.09 ft (October 13, 2021) · 4.39 ft (May 24, 2021) · 5.02 ft (May 3, 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 (TDFS2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.