It happens, much as it hurts. She is one of the oldest cows in the barn right now, so you begin to expect things like this.
We went from partly sunny to heavy overcast and dropped 9 degrees in a very short time. The wind veered from SSE to NNW, never a good sign in October. Stan has been putting machinery away since before lunch and I think he's going to have it done soon, doors on sheds are being closed.