Belle Fourche River at Wyoming-South Dakota State Line, SD

River level and flood forecast · Butte County

Normal3.4 ftas of Mon 1:15 PM

The river is 11.6 ft below flood stage (15 ft).

Flow: 12 cubic feet per second (USGS).

The last 7 days and the forecast

05101520TueWedThuFriSatSunMonAction 13 ftFlood 15 ftModerate 16 ftMajor 18 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 stage18 ft
Moderate flood stage16 ft
Flood stage15 ft
Action stage13 ft
Record crest (May 10, 1995)16.33 ft

What floods at each level

From the National Weather Service, highest first.

  • 18 ftMajor Flood Stage. Extensive flooding along the Belle Fourche River with inundation of structures and roads in Belle Fourche.
  • 16.2 ftHouses along the Belle Fourche River in Butte County may begin to flood.
  • 16 ftModerate flooding of agricultural land. Some inundation of structures and roads along the Belle Fourche River are possible.
  • 15 ftMinor flooding of low-lying areas.
  • 13 ftAction stage. Flooding of low lying areas along the river.

Highest crests on record

  1. 16.33 ft — May 10, 1995
  2. 16.06 ft — May 23, 2011
  3. 15.98 ft — June 6, 2008
  4. 15.74 ft — March 7, 2014
  5. 15.59 ft — June 18, 1962

Recent crests: 6.68 ft (May 10, 2024) · 8.34 ft (June 24, 2023) · 6.44 ft (April 30, 2022) · 4.81 ft (July 14, 2021) · 5.29 ft (March 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 (BWSW4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.