Numbness in pinky, ring and middle finger. Pain and numbness in hand and elbow (especially in the morning) hurt while climbing symptoms are escalating?

Cubital tunnel. This is called a cubital tunnel syndrome as the result of ulnar nerve compression or injury at the level of the elbow. See an orthopedist.
See your doctor. See your doctor. She or he can take a good history, exam you and send you to the appropriate specialist. Your symptoms might come from a neck problem or a problem with the nerves in your arm itself.