Active Weather Alerts
River Flood Warning
Issued: 3:33 PM Jun. 12, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL JUST AFTER MIDNIGHT TONIGHT... * WHAT...Minor flooding is forecast. * WHERE...Thorn Creek from Near Glenwood downstream to confluence with Little Calumet River, including the Thornton gauge. * WHEN...Until just after midnight tonight. * IMPACTS...At 9.0 feet, Water begins to be diverted through Thorn Creek Diversion Tunnel. * ADDITIONAL DETAILS... - At 10:00 AM CDT Friday the stage was 8.7 feet. - Recent Activity...The river climbed above flood stage overnight and is fluctuating near flood stage. - Forecast...The river is currently cresting just above flood stage and will begin to fall later today. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood &&
River Flood Warning
Issued: 3:33 PM Jun. 12, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL JUST AFTER MIDNIGHT TONIGHT... * WHAT...Minor flooding is occurring and 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 just after midnight tonight. * IMPACTS...At 12.5 feet, Most areas outside of the levee-protected area are inundated in Hammond and Munster. * ADDITIONAL DETAILS... - At 10:00 AM CDT Friday the stage was 12.4 feet. - Recent Activity...The river climbed above flood stage overnight and continues a slow climb. - Forecast...The river is expected to crest near 12.5 feet by early this afternoon and then fall below flood stage overnight into tomorrow. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood &&
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