I killed a gobbling long beard up in Dolly Sods, WV in 4" of snow one season. Here in NH we got 8" the other day and the turkeys up hereare still gobbling on roost and strutting their stuff around hens.
It sounds like someone doesn't want you out there in the morning! I'd maybe add long jons to thelist of things to wearfor the mornming and go out there and call one in for your son

Be sure to take your camera so you can take photosand show the locals what a waste of time it was
Good Luck & Hunt Safe