Over the weekend, many Denver-area residents woke up to find the world blanketed in what may have looked like snow or dense frost — and for some, that frost may have had large crystals jutting out at ...

A First Alert Weather Day remains in effect through Wednesday morning due to continuing dangerous "feels-like" temperatures.

The National Weather Service defines hoarfrost as “a deposit of interlocking crystals formed by direct sublimation on objects, usually those of small diameter freely exposed to the air ...