With the Fourth of July and the annual NASCAR Chicago Street Race making for a jam-packed few days ahead, Chicagoans can expect a hot — and potentially stormy — holiday weekend.

At spread-out street courses, NASCAR's spotters need help. At the Chicago race, Symphony Center and some double-decker buses help the cause.

That's right, this is looking like it'll be the final Chicago Street Race — the third installment of NASCAR's original three-year contract with the city. No one is saying it out loud, but you know what else they're not saying?