been cutting the mustard for four generations. this is nbc nightly news with lester holt. good evening. half the country tonight staring down some of winter s worst in all its forms as we head into the weekend. from close to a foot of snow predicted in the northern plains and the midwest, these pictures from iowa where several inches are already on the ground with more to come the carolinas bracing for ice and even high wind and fire warnings across texas to eastern new mexico in all 64 million of us are under winter alerts from a system spreading from the middle of the country into the southeast and then up the i95 corridor where big cities like washington and philadelphia could also get snowed on while the northeast and new england face another round of brutal cold. our dasha burns has the very latest. reporter: tonight the monster winter storm already hitting north dakota drivers battling near white-out conditions in minnesota, cars getting off icy roads. the cedar
super bowl of gadgets. how the pandemic is ushering in a new era of personalized tech. this is nbc nightly news with lester holt, reporting tonight from washington, d.c. good evening, everyone we re here ahead of tomorrow s solemn observances of the one-year anniversary of the attack on the capital. tonight we ll take you inside a still very active investigation but we want to start with that other calamity that just won t leave us, covid. breaking tonight, the cdc panel recommending booster shots for kids 12 to 15 that s welcome news. at the same time, the cdc finds itself facing backlash over some of its other recommendations. concerning how long those who have tested positive for covid should isolate and whether a negative test should be required to end that isolation. some wondering whether some of the decisions at the agency are being driven by science or by the shortage of rapid test kits tom costello is covering it all. reporter: breaking tonight, a cdc panel n