The NWS has issued the warnings as a powerful polar vortex continues to make temperatures plunge nationwide this week.

A winter storm is expected to bring snow and ice to the Midwest and Northeast beginning Wednesday. Here's which states will ...

There's also was a chance for a light snow in the morning for valleys east of Tucson, the forecast said. A freeze warning is in effect Thursday and Friday for the metro area, the weather service said.

A weather system that brought windy conditions to Tucson early Wednesday brought Tucson a blast of wintry weather that had been missing here most of the season. A freeze warning is in effect ...

Metro Phoenix and large swaths of the desert areas of Arizona were under a freeze warning through Sunday, the National Weather Service in Phoenix warned on Friday. The weather service later issued ...

TUCSON, AZ. (KGUN) — Expect dry and cool weather into early next week ... including Tucson at 59 degrees. A freeze warning will go into effect at midnight and last until 9 A.M. on Monday ...

Winter weather enjoyers can rejoice as overnight subfreezing temperatures were expected to arrive in areas across Arizona. The National Weather Service issued freeze warnings on Jan. 8 and again ...

A freeze warning was issued for Arizona, including metro Phoenix. Here's what weather experts expect, including temperatures, forecast and more.

Today, expect partly to mostly cloudy skies with highs in the low 70s. Sunday will bring mostly sunny skies with a high of 72 ...

PHOENIX - Cold air will continue to stream into Arizona to start the work week. A Freeze Warning will be in effect ... quiet across the state. The next storm may arrive from Friday through ...

TUCSON, AZ. (KGUN ... widespread sub-freezing temperatures are expected across Southeast Arizona into the weekend. A freeze warning will go into effect Wednesday night into Thursday morning ...