So far so good in the cold although it hasn't been too bad here so far this year. 25* is probably the lowest temp I've used it in this winter. I say buy it, it's an invaluable tool for me.
"I can get a good look at a T-bone by sticking my head up a bull's a$$, but I'd rather take a butcher's word for it". - Tommy Callahan III
XL Big Green Egg, 22.5 Weber OTS, WSJ Gold/Mini WSM, 18" & 22" WSM
Flyers Orange Thermapen