one man s mission to help the capital out of a very sticky one man s mission to help the capital out of a very sticky situation. captions paid for by nbc-universal television from nbc world headquarters in new york, this is nbc nightly news with lester holt. good evening. winter, spring, summer. it s hard to know these days. in the year of odd and often unseasonable weather including winter s no-show performance parts of the east are bracing for snow to tornadoes. a storm system will bring rain and wet snow to parts of the northeast by sunday, and heavy rains are already soaking parts of the south with a risk tonight of thunderstorms and damaging winds along the gulf coast into the southeast. it s a potent and potentially dangerous weather mix, and so we start tonight with kelly cass at the weather channel headquarters in atlanta where they track it for us. kelly, good evening. good evening. this is a huge system with lots of different impacts to millions of people. w