Ditto leaving her out BUT I would have a tube of Banamine paste on hand, just in case. There's three doses to a tube.
80 degrees to snow in 24 hours is a wilder weather swing than I've experienced and I've had some doozies
I have four horses, two with metabolic issues & ulcers. There's ten doses of Banamine in the refrigerator; I figure if I have them on hand, I won't need them