Wintry Mix Seattle socked with snow and possible severe weather in the Plains. Watch your forecast now. news_lighteningrain.jpg l video.gif http://start.real.com/rd?url=http://smilparse.real.com/showcase/1pubs/channels/weather/weather.smi&adcode=none weather.gif http://www.weather.com/multimedia/goldpass/national.smi PLAY headline