180 Feel in one’s bones

(PW) know by intuition, feel certain without evidence

I believe he is going to get the promotion.  I can just feel it in my bones.

(dictionary)

to think or feel intuitively: She felt in her bones that it was going to be a momentous day.

(goenglish)

one has a knowledge about something, and feels that knowledge as a deep sensation in one's body ...

(free) feel in one's bones to have an intuition of