>> reporter: i want to take my jacket off. >> i like that affect, laura coates love sake coat. >> reporter: what a turn of phrase. looking at the wind chill during iowa caucuses, the warmest was 30 degrees eight years ago, the coldest before this year was 14 degrees. the forecast for monday, the forecast for monday, minus 28 degrees. it is on a completely different planet, that is why i was wearing the coat. that is why i may have to wear one of these as well. it is freezing. >> that number tells you everything . republicans expected to be a flurry, d.c. what i did, flurry of activity in the closing days. how has cold weather affected turnout in the past? it is iowa, they know what it