DeKALB — The National Weather Service issued a thunderstorm warning for DeKalb County until 2:30 p.m. and a thunderstorm watch through 9 p.m. for many northern Illinois counties.

After a quiet and humid morning, thunderstorms in northern Illinois could bring high winds and hail.

The National Weather Service warns the storms are capable of producing 60 mile-per-hour wind gusts and half-dollar-size hail.

At 1:47 p.m., severe thunderstorms were located along a line extending from six miles south of Rochelle to near Amboy, moving east at 40 mph.

Severe Thunderstorm Warning including DeKalb IL, Dixon IL, Rochelle IL until 2:30 PM CDT pic.twitter.com/Kl89issP6u

— NWS Chicago (@NWSChicago) September 7, 2021

The intense storm in southeastern Lee County is currently the strongest storm in the area and is producing large hail of at least golf ball size right now, according to the National Weather Service.

“A threat for severe thunderstorms with damaging winds and hail continues this afternoon between about 1 pm and 8 pm,” The National Weather Service said. “This threat area now includes most of north central and northeastern IL, as well as northwestern IN.”