Hey, Sawyer! Hope you're doing okay. I'm obviously not an expert, but from all I've seen here, jaw involvement is pretty common with migraine. In fact jaw issues can and do trigger migraine attacks (and even just plain-old headaches for folks who don't have migraine). Do you have a night guard to protect your teeth at night? Here are two articles that might resonate:
https://migraine.com/living-migraine/link-between-tmj
https://migraine.com/living-migraine/trigeminal-nerve
Have you seen anybody about this yet? I'd definitely get on it if you haven't, just in case this is the beginning of a larger issue or a change. Of course, I hope not! It could also just be tension or stress-related. Regardless, checking in with your team is the way to go. Take care and let us know if you figure anything out!