Scattered thunderstorms, with the potential for some to become severe, are expected across northern Illinois on Friday evening as a cold front advances across the state from the northwest.
As of 3 p.m., thunderstorms were beginning to form along the cold front in north central Iowa.
The National Weather Service has placed all of northern Illinois under a slight risk for severe weather. The best chance for severe storms will be from 5 p.m. to 12 a.m.
The main threat from any severe storm Friday will be wind gusts to 70 miles per hour and large hail. A tornado or two is all possible, mainly in northwest Illinois near the Interstate 39 corridor.
Calmer weather is expected over the weekend with most sunny skies and highs in the 70s.
Source: The Daily Chronicle