Little Calumet River at Munster, IN

The last 7 days and the forecast

NWS forecast issued Sun, Sep 20, 2:23 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

What floods at each level

From the National Weather Service, highest first.

• 20 ftWater reaches the top of the levees near the river in Munster and Hammond.
• 19.5 ftWithout flood protection, widespread inundation of roadways and structures in the floodplain reaches up to 5 blocks from the river in Hammond and Munster.
• 19 ftWater reaches isolated low spots in the levee in western sections of Hammond and Munster.
• 18.5 ftEvacuations may begin near the river in Hammond and Munster. Without flood protection, I-80 is threatened at Calumet Avenue in Hammond.
• 17.5 ftResidences threatened north of the river between Hohman Avenue and Lyman Avenue in Hammond. Water reaches the top of the levee in Calumet City and Lansing. Calumet Avenue may be closed at the levee in Hammond and Munster to install temporary flood protection. Hohman Avenue is threatened north of the river in Hammond.
• 16.5 ftWithout flood protection, widespread inundation of roadways and structures reaches up to 5 blocks from the river in Calumet City and Lansing.
• 15.5 ftColumbia Avenue may be closed at the levee in Hammond and Munster to install temporary flood protection.
• 12.5 ftMost areas outside of the levee-protected area are inundated in Hammond and Munster.
• 10 ftWater overflows low-lying river banks outside of the levee-protected area in Hammond and Munster.

Highest crests on record

1. 17.29 ft — September 14, 2008
2. 17.03 ft — November 28, 1990
3. 16.4 ft — June 14, 1981
4. 16.36 ft — February 21, 2018
5. 16.2 ft — July 19, 1996

Recent crests: 13.2 ft (June 26, 2021) · 14.13 ft (May 23, 2020) · 13.94 ft (May 18, 2020) · 12.85 ft (April 30, 2020) · 12.8 ft (January 12, 2020)

Up and down the river, and nearby

• UpstreamLittle Calumet River at Munster (Northcote Avenue), IN
• DownstreamLittle Calumet River at South Holland, IL
• Hart Ditch at Munster, IN
• Little Calumet River at Hammond (Indianapolis Boulevard), IN
• Grand Calumet River above Hammond (Columbia Ave), IN
• Little Calumet River at Highland (Kennedy Avenue), IN
• Lansing Ditch near Lansing, IL
• Thorn Creek at Thornton, IL