Anyone have this happen temp spike before positive opk

Caitlyn • Fri, Jul 14 • Mommy to baby boy Oct 2018 💙

Not sure if I had a fever maybe through the night before my temp spike (as I do have a cold) but todays temp dropped with a positive opk and ewcm. All other days were negative opks even the small temp dip before the huge rise. Thoughts/opinions?