For all your Winter Classic updates, weather updates, and contingency plans, look no further than Dan Rosen's Twitter and the Winter Classic page on NHL.com.
We could be wrong, but the general feeling we're getting from everything is that Dan Craig, the guy in charge of building the rink, is cool, calm, and collected. He has reiterated that rain will not affect his ice, and the only danger to the ice surface is high doses of bright sunshine. A drizzle would be fine, but a torrential downpour probably wouldn't fly.
Al Gore is laughing somewhere.