Freezing temperatures across US have killed 49 people, millions under severe weather alerts

The deaths of 49 people across the U.S. as of Friday are being attributed to a series of winter storms across the country that have brought sub-freezing temperatures, icy roads and other potentially deadly conditions. 

The storms, which former this past week, now have millions of Americans under winter weather warnings. 

Officials told NBC News that 17 have died in Tennessee, six in Illinois, nine in Oregon, five in Mississippi and Washington state, three in New York and one each in Wyoming, New Hampshire, Arkansas and Wisconsin. 

All local federal offices were shut down in Tennessee on Friday due to the winter weather. Local officials have advised people to stay off the roads. 

Cities on the East Coast such as Boston, New York City and Philadelphia have received one to five inches of snow. Washington, D.C., has between two to four inches. 

More snow is expected this weekend, according to Oregon Public Broadcasting.

Weather conditions in Montana, North Dakota and South Dakota could get wind chills down to minus 70 degrees Fahrenheit.

New Jersey, Arkansas and multiple counties in West Virginia have declared a state of emergency due to the severe weather. 

Northern parts of  Louisiana, Georgia and Alabama are also covered in snow.