White River (NE-SD) near Oglala, SD

River level and flood forecast · Oglala Lakota County

Normal6.3 ftas of Mon 2 PM

The river is 12.7 ft below flood stage (19 ft).

Flow: 7 cubic feet per second (USGS).

The last 7 days and the forecast

0510152025TueWedThuFriSatSunMonAction 17 ftFlood 19 ftModerate 21 ftMajor 23 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 stage23 ft
Moderate flood stage21 ft
Flood stage19 ft
Action stage17 ft
Record crest (June 16, 1967)23.61 ft

What floods at each level

From the National Weather Service, highest first.

  • 25 ftWater reaches the bottom of the bridge.
  • 23 ftMajor Flood Stage. Extensive flooding along the White River with inundation of structures and roads.
  • 21 ftModerate Flood Stage. Some inundation of structures and roads along the White River are possible.
  • 19 ftMinor Flood Stage. Minor flooding along the river.
  • 17 ftAction Stage. Lowland flooding along the river.
  • 15 ftBankfull. Water begins to overflow left bank.

Highest crests on record

  1. 23.61 ft — June 16, 1967
  2. 23.5 ft — June 21, 1947
  3. 22.65 ft — May 16, 2015
  4. 21.95 ft — March 22, 2019
  5. 21.73 ft — June 14, 1962

Recent crests: 16.29 ft (April 9, 2024) · 14.09 ft (April 10, 2023) · 6.94 ft (June 5, 2022) · 7.73 ft (March 25, 2021) · 7.93 ft (March 15, 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 (WOGS2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.