Weather Alerts-

Take shelter in place or per instructions

Chicago - IL, US, National Weather Service

Cook County

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR SOUTHEASTERN COOK COUNTY... At 604 PM CDT, a severe thunderstorm was located over Harvey, moving east at 45 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Tinley Park, Calumet City, Chicago Heights, Lansing, Oak Forest, Harvey, Blue Island, Dolton, Park Forest, Homewood, Alsip, Matteson, Steger, South Holland, Country Club Hills, South Deering, Midlothian, Hazel Crest, Richton Park, Riverdale, Markham, Crestwood, Sauk Village, Flossmoor, and Lynwood. PRECAUTIONARY/PREPAREDNESS ACTIONS... A tornado watch remains in effect for the warned area. Tornadoes can develop quickly from severe thunderstorms. Although a tornado is not immediately likely, if one is spotted act quickly and move to a place of safety inside a sturdy structure, such as a basement or small interior room. For your protection move to an interior room on the lowest floor of a building. THUNDERSTORM DAMAGE THREAT...CONSIDERABLE; HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...<.75 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...70 MPH