Severe Thunderstorm Watch in Effect Until 11 p.m.

A severe thunderstorm watch is in effect for much of northern Illinois, with storms heading northeast from from the Ottawa area toward Yorkville as of 5:30 p.m. The warning applies to Kendall, Will, DuPage, Kane and Cook counties and the city of Chicago. Winds as high as 60 mph and small hail are expected.

» RELATED: Balls of hail reached up to 4.25 inches in diameter this week

5 P.M. WEATHER IMAGE VIA NWS