Pale hawk in a gray wood

It's a very gray day today. (In fact, it's started raining, my father just announced.) Not quite an hour ago, just before noon, a large bird caught my eye settling into a tree well down the western slope of Black Oak Ridge. A hawk of some sort - I don't know for sure but I think he's a red-tailed hawk. He was really too far away to be sure of his size, but bigger than a sharpie, that's for sure. Big. The distance and branches hid his tail, and the gray washed out his color, but he was very pale on the underside of his wings as well as his breast.