Winter weather warnings for the weekend have been issued for 27 states, with up to 2 feet of snow expected. Freezing temperatures may pose health risks, particularly for vulnerable groups such as infants and older adults. Snow can disrupt travel and create dangerous driving conditions, while winter storms may also cause power outages.

Back-to-back winter storms are predicted to affect 29 million Americans across the country. Here’s the latest from the National Weather Service. The National Weather Service has issued a winter storm watch from Tuesday morning until Wednesday morning,