I cannot image that kind of cold.
Worst I did was zero w 30 MPH wind.
Only day BIL had off that week to deer hunt.
Drove a soft top jeep about an hr to my spot, was frozen by the time we got there (soft doors).
Idled for a while, didn't warm up.
Told him one loop around CRP and done.
Made it 75 yards from the vehicle, and then there was a corner, so we'd get less wind.
Told him I would shoot a rabbit.

Went a bit and my TC Renegade barked.
He asked where the rabbit was (rose bush area by the edge of hardwoods).
Told him no rabbit, deer, way down a gully inside the woods.

Was bedded behind a log out of the wind. Ears gave him away. Never got up.
Was like jagged concrete, side of that ravine, dressing that deer.

Painful, but out of the wind.

Now I click the Weather Channel and have a hottie tell me if I should get out of bed or not.

Screw that cold and blowing weather.
Zero w 30mph winds was as bad as I've been and that was bad enough.
If I'm a midwest sissy so be it.