Yellow River at Plymouth, IN

River level and flood forecast · Marshall County

Normal5.2 ftas of Mon 3:45 PM

The river is 7.8 ft below flood stage (13 ft).

Flow: 185 cubic feet per second (USGS).

The last 7 days and the forecast

2.557.51012.51517.5TueWedThuFriSatSunMonAction 11 ftFlood 13 ftModerate 14 ftMajor 15 ftNowObserved (ft)NWS forecast

NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage15 ft
Moderate flood stage14 ft
Flood stage13 ft
Action stage11 ft
Record crest (February 22, 2018)17.73 ft

What floods at each level

From the National Weather Service, highest first.

  • 17 ftThere are extensive flooding problems throughout Plymouth.
  • 16 ftResidential areas and high school property flood. Water from 1 to 3 feet deep affects southern and eastern sections of the city.
  • 15 ftFlooding begins of commercial property along Laporte and Garro Streets.
  • 14.5 ftThe parking lot on Laporte Street begins to flood.
  • 14 ftA small trailer park near the Jefferson Street bridge begins to flood.
  • 13.5 ftSome residential and commercial properties near the Jefferson Street Bridge begin to flood.
  • 13 ftThe right bank of the Yellow River overflows with some city streets...low lying county roads and back yards along Laporte Street in Plymouth flooding. Low lying agricultural areas flood as well.

Highest crests on record

  1. 17.73 ft — February 22, 2018
  2. 17.13 ft — October 12, 1954
  3. 16.37 ft — March 16, 1982
  4. 15.68 ft — February 26, 1985
  5. 15.3 ft — January 1, 1991

Recent crests: 13.01 ft (June 28, 2021) · 11.94 ft (January 13, 2020) · 13.53 ft (May 2, 2019) · 17.73 ft (February 22, 2018) · 10.36 ft (November 20, 2017)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (PYMI3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.