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,

A winter storm watch is usually issued when a storm system is one to two days from starting. This long lead time is used to help you get ready if you have to make travel or work changes. Eventually as the storm gets closer, the winter storm watch either turns to a winter storm warning or a winter weather advisory.

The NWS Hanford CA issued an updated winter storm watch at 4:01 a.m. on Tuesday valid from Wednesday 10 a.m. until Saturday 4 a.m. The watch is for Yosemite, Upper San Joaquin River, Kaiser to Rodgers Ridge,

The next winter storm to hit New Jersey is expected to start Tuesday morning. Some spots could see 6 to 8 inches of snow.

The National Weather Service issued a winter storm watch at 2:37 a.m. EST on Tuesday valid from Wednesday 1 p.m. EST until Thursday 7 a.m. EST for Alpena, Alcona, Ogemaw, Iosco, Gladwin and Arenac counties.

The National Weather Service has issued Winter Storm Watches across Mid-Michigan, starting Wednesday afternoon and continuing through early Thursday morning. Our first large system of the week will move in Wednesday afternoon,

On Sunday at 4:59 p.m. a winter storm watch was issued by the National Weather Service valid from Tuesday 9 p.m. until Wednesday 6 p.m. The watch is for Atchison, Miami, Linn, Doniphan, Leavenworth, Wyandotte,

Storm Watch has already been issued for the Philadelphia area, as more snow is expected to fall Tuesday into Wednesday.