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

Lows across Pima County will range between 25 to 32 degrees. Tucson’s projected low is 27 degrees. Daytime highs look to ...

Freeze warnings were issued across Arizona, including Maricopa, Pinal, Pima and Cochise counties, with some warnings extended ...

A freeze warning will go into effect Wednesday night into Thursday morning and then Thursday night into Friday morning with ...

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

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

The low in Phoenix on Jan. 12 was 36 degrees. We're going to see some pretty chilly temps this week, but will warm up once again. Cold air will continue to stream into Arizona from Sunday night ...

Days are getting longer and temperatures are dropping as a Freeze Warning takes effect for some parts of the Valley overnight and through the weekend.

TUCSON, Ariz. (13 News) – A touch warmer today, breaking 70 degrees. However, we’ll have a huge cool-down by Wednesday as a system swings down, delivering the chance for rain & yes, even snow.

Norovirus is an infection that causes vomiting and diarrhea but there are ways to help prevent that from happening to you. Samia Kadri has been seeing a huge number of people walk into her clinic at ...

Multiple Southern Arizona fire departments have crews on the ground in Southern California. Due to increasingly changing fire conditions, the jobs of these firefighters can change from ...

California fire crews will be getting help with the Los Angeles County fires from Arizona firefighters here at home.