Beach Hazards Statement issued July 27 at 4:44PM CDT until July 29 at 10:00AM CDT by NWS Chicago IL
Issue date: 2026-07-27T21:44+00:00
* WHAT...Thunderstorm activity through late this afternoon will create varying currents, rapid water level fluctuations, and dangerous swimming conditions with waves 3 to 5 feet expected. Northerly winds will develop tonight and create high wave action and dangerous swimming conditions with waves 6 to 9 feet expected. * WHERE...In Illinois, Lake, Northern Cook and Central Cook Counties. In Indiana, Lake and Porter Counties. * WHEN...Through Wednesday morning. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com.
Flood Warning issued July 27 at 3:09PM CDT until July 28 at 1:00PM CDT by NWS Chicago IL
Issue date: 2026-07-27T20:09+00:00
...The National Weather Service in Chicago IL has issued a Flood Warning for the following rivers in Illinois...Indiana... Little Calumet River at Munster (Hohman Avenue) affecting Cook and Lake IN Counties. For the Little Calumet River...including Munster (Hohman Avenue)... Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Little Calumet River from IN-912 in Hammond downstream to confluence with Thorn Creek in South Holland, including the Munster (Hohman Avenue) gauge. * WHEN...Until early tomorrow afternoon. * IMPACTS...At 12.5 feet, Most areas outside of the levee-protected area are inundated in Hammond and Munster. * ADDITIONAL DETAILS... - At 2:00 PM CDT Monday the stage was 9.3 feet. - The river has begun rising quickly due to earlier heavy rainfall. - Forecast...The river is expected to rise above flood stage by this evening and crest near 12.5 feet late this evening. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood
