Why would I have pain in my ankle only when weight bearing?

I don’t remember rolling my ankle but I may have as I was busily packing the car. Yesterday I developed a shooting lateral pain right below the lateral malleolus. The pain travels down towards my toes. I have this pain only when I walk normally. I can avoid the pain by walking on the outside of my foot. I can move my ankle in all directions when non weight bearing with no pain. I can stand on my heal and lift my foot up with a tiny bit of pain.

I had surgery 3 years ago to split the fascia around the tibialis anterior muscle on both legs and haven’t had any problems since. I’m not sure if this is related.

If this doesn’t clear up in a few days I’ll go and see my doctor. Anyone here have any idea what this may be? I’m concerned as the pain has been there for two days now with no abatement.