Tornado Watch, Severe Thunderstorm Warnings Issued As Severe Threat Looms  05/23/2020 17:42:52 

As severe weather begins to develop across the area, a series of watches and warnings have been issued by the National Weather Service.

A severe thunderstorm warning has been issued for several counties southwest of Chicago, including eastern LaSalle County, western Kendall County and northern Grundy County until 3:15 p.m.

A severe thunderstorm was reported near Ottawa, moving northeast at 35 miles per hour. Hail damage to vehicles is expected, with wind damage possible to roofs, siding and trees.

The National Weather Service has issued a tornado watch for the Chicago area until 8 p.m.

McHenry, Lake, DeKalb, Kane, DuPage, Cook, LaSalle, Kendall, Grundy, Will and Kankakee counties are all impacted by the watch, as the Chicago area could potentially see severe thunderstorms during the afternoon hours.

Lake, Porter, Newton and Jasper counties in Indiana are also listed on the watch.

The National Weather Service has also issued a tornado watch for Kenosha County in southeast Wisconsin until 8 p.m.

A tornado warning has also been issued in Livingston County, as rotation has been detected in storms developing to the southwest of the area.

Scattered ping pong ball-sized hail is also possible, along with wind gusts of up to 70 mph, according to forecast models.

According to the National Weather Service, most of northern Illinois is under an "enhanced risk of severe weather for Saturday, with the far eastern portions of Cook, Will and Kankakee counties under a "slight" risk of severe storms.

Those storms are expected to bring intense lightning, and there is a moderate risk of heavy rains, flooding, damaging winds and large hail.

Those storms are expected to begin developing in the early afternoon hours, with partly-to-mostly cloudy skies preceding their arrival. Areas of patchy fog are also possible in the morning hours before it burns off by the noon hour.

High temperatures in the city are expected to reach the mid-70s, with cooler conditions along Lake Michigan. In the suburbs temperatures could rise into the high-70s and even into the low-80s before rain showers begin developing in the western suburbs just after 1 p.m. Those showers will move through the Chicago area in the mid-afternoon hours, and thunderstorms are expected to begin developing around that time.

Things are expected to be drier in the area on Sunday, but much warmer and still extremely humid. Temperatures are expected to reach the high-80s and could even touch the 90-degree mark in some locations, and those conditions will remain in place on Memorial Day itself.

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