Vigilance and preparation are important, say forecasters at the NWS, as wintry weather brings hazardous travel conditions.

On Sunday at 10:58 a.m. a winter storm warning was issued by the NWS Las Vegas NV valid from 10 p.m. until Monday 10 p.m.

On Sunday at 1:29 a.m. the NWS Los Angeles/Oxnard CA issued a winter storm warning. Total snow accumulations up to 14 inches.

Several states were under either winter storm warnings or winter weather advisories from the NWS early Monday morning.

The San Bernardino Mountains were slammed with snow Sunday morning as the area remains under a winter storm warning.

For the first time in seven years, the National Weather Service issued a Winter Storm Warning for Florida. Here's what that ...

The National Weather Service issued an updated winter storm warning at 10:38 p.m. EST on Tuesday valid from Wednesday 7 a.m.

Tuesday's winter storm warning has expanded to Northeast Florida due to several hours of mixed precipitation and ice ...

Heavy snow is expected to blanket large portions of the Eastern U.S. while much of the country will endure dangerously cold ...

The NWS Raleigh NC issued a winter storm warning at 11:32 a.m. on Tuesday valid from 5 p.m. until Wednesday 7 a.m. The ...

A winter storm is expected to bring heavy snow, high winds, and hazardous conditions to the mountains of Southern California ...

Delivery times for post in over half the country could be impacted due to hazardous weather, the U.S. Postal Service said.