Hat Creek near Edgemont, SD

River level and flood forecast · Fall River County

Normal6.5 ftas of Mon 2:15 PM

The river is 9.5 ft below flood stage (16 ft).

Flow: 0 cubic feet per second (USGS).

The last 7 days and the forecast

0510152025TueWedThuFriSatSunMonAction 15 ftFlood 16 ftModerate 21 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 stage30 ft
Moderate flood stage21 ft
Flood stage16 ft
Action stage15 ft
Record crest (June 6, 2015)21.19 ft

What floods at each level

From the National Weather Service, highest first.

  • 30 ftMajor Flood Stage. Water approaches the bottom of Highway 71 bridge. Extensive flooding along the creek with inundation of structures and roads.
  • 21 ftModerate Flood Stage. River spreads out and floods agricultural land. Some inundation of structures and roads near the creek are possible.
  • 20 ftRight bank will begin to overflow. Minor flooding along the creek continues.
  • 16 ftFlood Stage. Left bank will begin to overflow causing minor flooding along the creek.
  • 15 ftAction stage. Flooding of low lying areas along the creek.

Highest crests on record

  1. 21.19 ft — June 6, 2015
  2. 17.28 ft — May 17, 1991
  3. 15.4 ft — April 23, 2000
  4. 14.94 ft — July 16, 1993
  5. 14.67 ft — May 29, 2019

Recent crests: 9.74 ft (April 11, 2024) · 10.01 ft (October 15, 2023) · 11.18 ft (May 14, 2023) · 8.92 ft (June 3, 2022) · 9 ft (April 8, 2021)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (HATS2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.