All of northern Illinois is under a severe thunderstorm watch until 5 p.m. today.
Counties included in the watch include Cook, DuPage, Kane, Lake and McHenry. As of 9:30 a.m., some areas were already seeing rain and thunderstorms.
According to the National Weather Service's hazardous weather outlook for today, thunderstorms are expected to develop across eastern Iowa and then spread east over northern Illinois and northwest Indiana. The thunderstorms are expected to continue through tonight, with the possibility of hail to an inch in diameter, damaging wind gusts in excess of 60 miles per hour, heavy rain and isolated tornadoes.
Take a look at some tips on what to do when severe weather strikes.
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