Only if it’ll start.
Seriously, though, yes I intend to ride when it gets that cold. I’ve ridden snowmobiles in those temperatures, up on Jay Peak (Vermont), when I had a job snowmaking. One of the best jobs I’ve ever had. It’s pretty amazing to be on a snow covered mountaintop at midnight! Sometimes we carried ice axes. For riding the donkey, I’m wearing a Klim onsie over lots and lots of down, heated liners over Outdoor Research mitts, two balaclavas at once, and obviously no exposed skin anywhere.