A tornado watch was declared until 10 p.m. for northern and central Illinois, northwest Indiana and eastern Iowa until 10 p.m. Tuesday, with strong storms including “very large hail” over the whole area and the threat of tornadoes highest south of Interstate 88, according to the National Weather Service.
Scattered thunderstorms were expected to develop this afternoon and evening, with storms spreading across more of the area after dark, according to the weather service.
“Storms will eventually develop into a complex ahead of a cold front which will push east across the outlook area overnight,” according to the weather service.
The watch area includes all of northern and central Illinois, as well five northwest Indiana counties and 17 counties in Iowa.
Check the Tribune's weather page for more information. Check back for updates.
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