Little White River below White River, SD

River level and flood forecast · Mellette County

Normal1.9 ftas of Mon 3 PM

The river is 11.1 ft below flood stage (13 ft).

Flow: 99 cubic feet per second (USGS).

The last 7 days and the forecast

05101520TueWedThuFriSatSunMonAction 11 ftFlood 13 ftModerate 15 ftMajor 18 ftNowObserved (ft)NWS forecast

NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage18 ft
Moderate flood stage15 ft
Flood stage13 ft
Action stage11 ft
Record crest (June 3, 1997)13.76 ft

What floods at each level

From the National Weather Service, highest first.

  • 18 ftMajor Flood Stage. Extensive flooding along the creek with inundation of structures and roads.
  • 15 ftModerate Flood Stage. Some inundation of structures and roads near the creek are possible.
  • 13 ftMinor Flood Stage. Minor flooding of right bank.
  • 11 ftAction Stage. Water begins to flood low lying areas near the river.

Highest crests on record

  1. 13.76 ft — June 3, 1997
  2. 13.75 ft — April 20, 1971
  3. 12.61 ft — June 21, 2011
  4. 10.4 ft — May 1, 1983
  5. 10.24 ft — March 23, 2019

Recent crests: 5.51 ft (April 27, 2024) · 3.92 ft (May 14, 2023) · 6.47 ft (March 1, 2023) · 3.43 ft (June 12, 2022) · 6.58 ft (March 1, 2022)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (LWRS2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.