Donnie was still on approach, forced to slow his speed down as the rain continued steadily around him. As it was, he could barely make out Jack. The sound that suddenly blared from the direction of the building however was much easier to catch.

"Oh...that's not good," he murmured, wincing as the volume picked up. It made him less inclined to want to land on the rooftop once he found it, but he remained on the hoverboard as he neared, taking the opportunity to look around. Strangely enough, the rain started to lighten, if just a bit. It made more sense as to why once Donatello caught sight of the lights beyond as he cleared off his goggles again.

"Uh-oh. I don't like the looks of that..."