Active Weather Alerts
River Flood Warning
Issued: 1:06 AM Jun. 18, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL LATE TOMORROW EVENING... * WHAT...Minor flooding is forecast. * WHERE...Thorn Creek from Near Glenwood downstream to confluence with Little Calumet River, including the Thornton gauge. * WHEN...Until late tomorrow evening. * IMPACTS...At 11.5 feet, Glenwood Thornton Road threatened north of Glenwood. * ADDITIONAL DETAILS... - At 7:45 PM CDT Wednesday the stage was 8.4 feet. - Forecast...The river is expected to crest near 12 feet just after midnight tonight, then begin a slow fall. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood &&
River Flood Warning
Issued: 1:03 AM Jun. 18, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL TOMORROW EVENING... * 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 tomorrow evening. * IMPACTS...At 12.5 feet, Most areas outside of the levee-protected area are inundated in Hammond and Munster. * ADDITIONAL DETAILS... - At 7:00 PM CDT Wednesday the stage was 12.4 feet. - Forecast...The river is expected to crest of near 14 feet after midnight tonight. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood &&
Flood Advisory
Issued: 12:02 AM Jun. 18, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL MIDNIGHT CDT TONIGHT... * WHAT...Rivers to remain near bankfull and may result in localized flooding near streams and rivers. * WHERE...Portions of northeast Illinois, including the following county, Cook and northwest Indiana, including the following county, Lake IN. * WHEN...Until midnight CDT tonight. * IMPACTS...Creeks and streams may rise to near bankfull. * ADDITIONAL DETAILS... - At 659 PM CDT, Gauges report rising streams and rivers due to earlier heavy rainfall. - Some locations that will experience flooding include... Hammond, Gary, Tinley Park, Calumet City, Portage, Merrillville, Chicago Heights, East Chicago, Schererville, Hobart, Lansing, Oak Forest, Harvey, Highland, Munster, Dolton, Park Forest, Homewood, Matteson and Frankfort. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters. &&
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