Unless your grass is taller than 6 inches, I wouldn't worry too much about it.
Scalping is no longer a feasible recommendation, anyway.

On Wed, 03 Dec 2003 16:06:17 GMT, "Chuck" opined:

I never got around to doing a final mow in the fall, and I'm wondering if
there would be any benefit or if it would hurt my lawn if I did it now.

It is currently a couple degrees below freezing although last night it went
to 10 below (Celsius).