Cedar Creek (Central SD) near Presho, SD

River level and flood forecast · Lyman County

Normal6.8 ftas of Mon 3:15 PM

The river is 5.2 ft below flood stage (12 ft).

Flow: 0 cubic feet per second (USGS).

The last 7 days and the forecast

46810121416TueWedThuFriSatSunMonAction 10 ftFlood 12 ftModerate 14 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 stage14 ft
Flood stage12 ft
Action stage10 ft
Record crest (May 27, 2019)14.64 ft

What floods at each level

From the National Weather Service, highest first.

  • 18 ftThe road near the gauge begins to flood on both sides of the bridge.
  • 14 ftThere is significant flooding of pasture lands on both banks.
  • 12 ftFlooding begins to affect the lower lying pasture lands.
  • 10 ftThe lowest banks begin to overflow.

Highest crests on record

  1. 14.64 ft — May 27, 2019
  2. 9.77 ft — August 5, 2023
  3. 9.7 ft — April 28, 2016
  4. 9.35 ft — June 18, 2020
  5. 8.44 ft — February 19, 2017

Recent crests: 7.89 ft (May 24, 2025) · 9.77 ft (August 5, 2023) · 9.35 ft (June 18, 2020) · 14.64 ft (May 27, 2019) · 8.31 ft (April 20, 2018)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (CCPS2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.