>>11069012He will. If you want a sign, look to nature.
https://www.biblegateway.com/passage/?search=romans+1&version=KJVThe Book of Job suggests God's voice is expressed most clearly in lightning, since the youth Elihu is not punished for his speech.
https://www.biblegateway.com/passage/?search=Job+36-38&version=NASBAlso, "behold the fig tree, and all the trees".
https://www.biblegateway.com/passage/?search=luke%2021&version=KJV