United States January 29, 2019 11:30 pm Polar Vortex Brings Dangerous Cold The extreme cold heading New England’s way has already impacted millions across the country. US & World Videos 2:11 Weather forecast: Rain and showers 3:11 So how long is Boston's gorgeous weather going to last? 3:13 Weather forecast: Clear and sunny, with temps in the 70s 2:31 Another warm day in Boston with plenty of sunshine 2:18 Weather forecast: Sunny and mild