Active Weather Alerts
Flood Warning
Issued: 4:38 AM Aug. 2, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT UNTIL 11 AM CDT SUNDAY... * WHAT...Flooding caused by excessive rainfall will continue. * WHERE...Southeastern Cook County in northeastern Illinois... Central Will County in northeastern Illinois... Northwestern Lake IN County in northwestern Indiana... * WHEN...Until 1100 AM CDT Sunday. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Slow moving or standing water may continue. High water may only slowly recede from flooded areas. * ADDITIONAL DETAILS... - At 1133 PM CDT, gauges on area creeks, streams, and rivers indicated ongoing flooding from earlier excessive rainfall in the warned area. - Some locations that will experience flooding include... Hammond, Gary, Tinley Park, Calumet City, Chicago Heights, East Chicago, Lansing, Oak Forest, Harvey, Highland, Munster, Dolton, Park Forest, Homewood, Matteson, Mokena, Frankfort, Steger, and South Holland. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Warning means flooding is imminent or may already be occurring. Persons along rivers, creeks, and other waterways should take immediate precautions to protect life and property. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. &&
Beach Hazard Statement
Issued: 3:07 AM Aug. 2, 2026 – National Weather Service
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH MONDAY MORNING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 5 to 8 ft expected. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...Through Monday 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. 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: 2:48 AM Aug. 2, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CDT MONDAY... * WHAT...Northeast winds to 30 kt and significant waves to 9 ft occasionally to 12 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...Until 3 AM CDT Monday. * 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: 2:30 AM Aug. 2, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL SUNDAY AFTERNOON... * 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 Sunday afternoon. * IMPACTS...At 12.5 feet, most areas outside of the levee-protected area are inundated in Hammond and Munster. * ADDITIONAL DETAILS... - At 9:00 PM CDT Saturday, the stage was 12.0 feet. - Forecast...The river is expected to rise above flood stage late this evening to a crest of 12.3 feet tomorrow morning. It will then fall below flood stage late tomorrow morning or during the early afternoon. - Flood stage is 12.0 feet. - http://www.weather.gov/safety/flood &&
River Flood Warning
Issued: 2:30 AM Aug. 2, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL MONDAY EVENING... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Thorn Creek from near Glenwood downstream to confluence with Little Calumet River, including the Thornton gauge. * WHEN...Until Monday evening. * IMPACTS...At 13.5 feet, Chicago Heights Glenwood Road threatened in Glenwood. Residential parking lots threatened along Margaret Street in Thornton. * ADDITIONAL DETAILS... - At 9:00 PM CDT Saturday, the stage was 11.1 feet. - Forecast...The river is expected to rise to a crest of 13.6 feet tomorrow morning. It will then fall below flood stage Monday afternoon. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood &&
Flood Advisory
Issued: 12:00 AM Aug. 2, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 1 AM CDT SUNDAY... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southeastern Cook County in northeastern Illinois... Southeastern DuPage County in northeastern Illinois... Will County in northeastern Illinois... Northern Lake IN County in northwestern Indiana... * WHEN...Until 100 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. Roads and streets may be flooded. * ADDITIONAL DETAILS... - At 656 PM CDT, Doppler radar and automated rain gauges indicated light to moderate rain occurring in areas where heavy rainfall occurred earlier. Minor flooding is ongoing or expected to begin shortly in the advisory area. - Some locations that will experience flooding include... Chicago, Joliet, Hammond, Gary, Bolingbrook, Orland Park, Tinley Park, Oak Lawn, Romeoville, Plainfield, Calumet City, Merrillville, Woodridge, Chicago Heights, Roseland, Chicago Lawn, Englewood, and South Shore. - 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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