Parts of the U.S. were under a freezing fog warning this week. What is the weather phenomenon?

New York City is icy and cold right now, but you’re probably not going to be able to walk to New Jersey any time soon.

From nearly invisible black ice to freezing rain and sleet, here's how common winter weather hazards form, why they're so ...

Even with air temperatures below freezing, snow and ice can still melt. Here’s why warm sun, ground heat and humidity matter ...

Follow live winter storm updates and breaking weather news as snowstorms are predicted to fall across the U.S. this weekend, ...

A First Alert Weather Day is in place due to the freezing fog advisory, which is in effect through 11 a.m. Wednesday, visibility will be under three miles.

An Ice Storm Warning is in effect Saturday night through Sunday for freezing rain and sleet Saturday night into Sunday morning.

As Tennessee endures a deep freeze following a brutal winter storm, here are some tips for removing buildup known as "ice ...

A tenth of an inch of ice can lead to slick roadways and sidewalks, while a quarter-inch of ice or more could snap tree limbs and down power lines.

AND A MILD CHRISTMAS EVE UNFOLDING FOR US ON THIS WEDNESDAY. WE’LL SEE A WARM CHRISTMAS DAY AS WELL AS TEMPERATURES WILL MAKE IT TOWARDS 50 DEGREES. AND THEN ON FRIDAY IT IS AN IMPACT DAY AS WE’RE ...