Active Weather Alerts
Flood Advisory
Issued: 3:41 AM Jun. 22, 2026 – National Weather Service
...FLOOD ADVISORY NOW IN EFFECT UNTIL 2 AM CDT MONDAY... * WHAT...Flooding caused by excessive rainfall continues. * WHERE...Portions of southern Cook and northern Lake, IN counties, including the I-80/90/94 corridors. * WHEN...Until 200 AM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Underpasses may be flooded. * ADDITIONAL DETAILS... - At 1035 PM CDT, Doppler radar and automated rain gauges indicate between 1.5 and 2.5 inches of rain have fallen through the day, with most of the rain falling during the late afternoon and evening. - Several area creeks and streams are at bankfull or rising to near minor flood stage. - Some locations that will experience flooding include... South Side of Chicago, Hammond, Gary, Tinley Park, Calumet City, Portage, Merrillville, Chicago Heights, Roseland, East Chicago, Schererville, Hobart, Lansing, Oak Forest, Harvey, Highland, Blue Island, Munster, Dolton and Park Forest. - 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. &&
Beach Hazard Statement
Issued: 2:03 AM Jun. 22, 2026 – National Weather Service
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE MONDAY NIGHT... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 4 to 7 ft expected. * WHERE...Lake IL and Northern Cook Counties. * WHEN...Through late Monday night. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. &&
Small Craft Advisory
Issued: 2:01 AM Jun. 22, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT TUESDAY... * WHAT...East winds to 30 kt and significant waves to 7 ft occasionally to 9 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...Until 1 AM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
River Flood Warning
Issued: 1:43 AM Jun. 22, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT FROM THIS EVENING TO EARLY TUESDAY MORNING... * 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...From late this evening to late Monday evening. * IMPACTS...At 12.5 feet, Most areas outside of the levee-protected area are inundated in Hammond and Munster. * ADDITIONAL DETAILS... - At 8:00 PM CDT Sunday the stage was 10.4 feet. - Forecast...The river is expected to rise above flood stage late this evening to a crest of around 13 feet tomorrow morning. It will then fall below flood stage tomorrow evening. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood &&
River Flood Warning
Issued: 1:43 AM Jun. 22, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT FROM LATE TONIGHT TO 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...From late tonight to Monday evening. * IMPACTS...At 9.0 feet, Water begins to be diverted through Thorn Creek Diversion Tunnel. * ADDITIONAL DETAILS... - At 8:15 PM CDT Sunday the stage was 5.6 feet. - Forecast...The river is expected to rise above flood stage late tonight to a crest of just above 9 feet tomorrow morning or around midday. It will then fall below flood stage tomorrow afternoon. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood &&
Local Radar