Little Calumet River at Hammond (Indianapolis Boulevard), IN

River level and flood forecast · Lake County

Normal6.1 ftas of Mon 2:30 PM

The river is 7.9 ft below flood stage (14 ft).

The last 7 days and the forecast

05101520TueWedThuFriSatSunMonAction 9 ftFlood 14 ftModerate 17 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 stage17 ft
Flood stage14 ft
Action stage9 ft
Record crest (September 14, 2008)15.5 ft

What floods at each level

From the National Weather Service, highest first.

  • 19.5 ftWater reaches the top of the levees near the river in Hammond and Highland.
  • 17.5 ftEvacuations may begin near the river in Hammond and Highland.
  • 17 ftNorfolk Southern Railroad may be closed at the levee in Hammond and Highland to install temporary flood protection.
  • 8 ftWater overflows low-lying river banks outside of the levee-protected area in Hammond and Highland.

Highest crests on record

  1. 15.5 ft — September 14, 2008
  2. 14.58 ft — February 21, 2018
  3. 13.15 ft — May 17, 2020
  4. 13.05 ft — September 28, 2019
  5. 12.77 ft — June 10, 2011

Recent crests: 13.15 ft (May 17, 2020) · 11.77 ft (April 30, 2020) · 11.9 ft (January 11, 2020) · 13.05 ft (September 28, 2019) · 12.25 ft (June 27, 2019)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (HMMI3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.