NFL Week 13 picks, predictions, win probabilities for Chargers vs Falcons, Steelers vs Bengals, Eagles vs Ravens, 49ers vs Bills, this week's games.

The Week 13 NFL schedule means the playoff races are heating up and the weather is cooling down. We saw our first snow game last Thursday in Cleveland, and the elements could come into play with several contests on a super-sized Week 13 slate.

Detroit has feasted on some bottom-feeders, but this is a huge spread against a historic division rival. And while the Bears have lost five in a row, three of those were by three points or fewer. How much weight do you want to put on the frozen-Fish angle?