Originally Posted by iridehorses
Unless she was stalled in a heated barn, chances are her coat is sufficiently long enough to be left alone but I would certainly watch her for a few days.
I also agree with Iridehorses. Keep a close eye on her and only blanket if she's showing definate signs of cold. My thinking is that blanketing "just in case" could further hamper her growing in a sufficent coat. Hold off till it's necessary. My $.02