If you’ve heard loud booms or seen colorful lights fill the skies in the Fox Cities this week, it’s probably not a Fourth of July holdover — it’s a full-scale fireworks convention.
2,000 firework enthusiasts are filling the Wisconsin International Raceway this week for the Pyrotechnic Guild International convention, a non-profit organization dedicated to teaching and sharing their love of lighting up the sky.
“Is it a Fourth of July spectacle? Is it more than that?” NBC26’s Kyle Langellier asked Connie Widmann, the organization’s media chair…