Why is the Sun Shining Today?

Because there is still at least one sinner yet to become a sheep and because God has decided to remain in a position of mercy for the time being.

While God is still showing mercy…perhaps I should.
While God is still withholding wrath…perhaps I should.
While God is still calling sinners to repent…perhaps I should.
While God is still radically, lovingly, doggedly, pursuing sinners…perhaps I should.