they toppled the barrel with the hawkeyes logo. that means they picked iowa for the big one. and before you accuse these monkeys of being biased, they beat the odds-makers last year. they went with iowa state. so, they must be right. now for a look at your national weather, we turn to nbc meteorologist bill karins with your weather channel forecast. good morning, bill. >> i know you're excited. this weekend, right? >> absolutely! bring it on. >> a full slate of college football games on saturday and the full nfl schedule on sunday, too. >> right. i'll be right there in front of the tv all weekend, just waiting. >> you won't watch a game all season. >> i love when it's football season because you get to make fun of me for the entire season about how i don't watch football. >> there are a couple other people out there in america with you. we have good changes coming this weekend. we've been struggling with the heat and humidity through much of the country as we've gone throughout especially about the last two months, and now we're going to see the break. this is one of the first signs