Another round of severe thunderstorms is rolling through the Chicago area overnight, snarling the start of Fourth of July celebrations and bringing lightning, torrential downpours and high winds.

Just hours after severe weather left a trail of damage across the Chicago area, with trees down, power out and Fourth of July celebrations flooded, another round of storms is still possible.

Weather officials extended a heat advisory until 12:00 a.m. Friday and thunderstorms and rain are likely to roll into the area by Thursday night.

Extreme Heat Warning continues through Thursday, with strong to severe storms possible tomorrow night into Friday. Here's what to expect.

ABC7 Accuweather meteorologists said highs for Thursday will be in the mid-90s, with heat index values up to 105. There is a chance for a few storms possible later Thursday evening. Much of the Chicago area is under a Level 1 risk for severe weather,

As dangerously high temperatures push heat indices into the hundreds, extreme heat warning issued through 10 p.m. Wednesday.