A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to millions.

The Phoenix Valley's eastern high terrain could see wind gusts exceed 50 mph, according to the National Weather Service.

Forecasters say we may see some winter weather across the state this coming week. The National Weather Service says we might finally see some winter weather in Arizona! "A low pressure system will move through the region Tue-Wed dropping temperatures to near normal.

TUCSON, Ariz. (KGUN) — Thick snow is piling up in the Northeast while Southern Arizona is dry even for a desert. KGUN9 was at University of Arizona talking to a National Weather Service meteorologist about the dangers a continued dry winter could bring.

The National Weather Service Tucson has issued an air quality alert in effect until midnight for the Tucson Metro Area.

We've seen reports about Los Angeles County being under "fire weather watch" and "red flag warning." What is the difference?

Winter weather is heading to Arizona. Here's how to prepare your car for a trip up north in these chilly conditions.

Cooler temperatures are expected to continue across the Tucson area for the rest of the week, including overnight freezing conditions.

In a state that averages more than 7,500 wildfires a year some California homeowners keep helmets and fire hoses handy. However, the Los Angeles fires demonstrate a new reality: Wildfires in the state are growing larger and more ferocious and burning into suburbs and cities more often, experts told USA TODAY.

Presidential inaugurations have been moved indoors several times due to bitter cold. It happened most recently in 1985 as Reagan began his second term.

Plans are underway to accommodate some visitors in town for the inauguration at the city's pro basketball and hockey arena.

Tucson this weekend will have high temperatures in the mid-60s and lows in the low- to mid-30s, the National Weather Service forecast here shows. Meanwhile, Mount Lemmon will have highs