Iowa Caucuses
Trump told an audience of more than 2,000 in Clinton on Saturday night that his aides told him he shouldn't worry about cold weather, although his opponents probably should.
"The other side will never vote, because they don't have any enthusiasm," Trump said. Stoking the crowd, he added, "We won't lose one vote, because our people, they're going to walk on glass."
More...
Trump says bad weather in Iowa will help him in the caucuses. That means if there is bad weather, any Trump victory will be much less meaningful, since his margin would have been smaller, or even negative, in normal weather conditions.
Houses have always been fireproof, take my word for it.