Severe thunderstorms are possible for some portions of the Chicago area Friday after a summer-like day with temperatures well into the 70s. Scattered severe storms are possible between 6 p.m. and midnight,

Chicago weather Friday will see temperatures soar near 80 degrees before the warm, wet air mass collides with a cold front that could produce severe thunderstorms.

The National Weather Service says strong to severe weather will impact the Chicago area from 1 p.m. to 7 p.m. on Wednesday, but the threat has diminished for some parts of northern Illinois. A flood advisory is in effect for the southern half of Cook County, and most of Will County and Lake County, Indiana, until 4:45 p.m.