Freeze warnings are issued from May to October (but can be extended if necessary), when low temperatures are expected to be ...

Some portions of Arizona are under a freeze warning overnight as temperatures could drop to 28 degrees or below.

Parts of the Colorado River Valley, Gila, Pinal, and Pima counties are under a freeze warning overnight tonight and tomorrow ...

With a freeze warning issued Tuesday night for much of Pima County, concern is starting to kick in over pipes and plants ...

PHOENIX - It will be a cold morning in the Valley before temps warm up to the low-70s on Wednesday. Temps will be in the 40s ...

Freeze warnings, like the one in effect tomorrow morning, can pose a threat and kill crops and sensitive vegetation, as well ...

The headlines and news stories are what members of the Syrian American Club at the University of Arizona could only imagine ...

The headlines and news stories are what members of the Syrian American Club at the University of Arizona could only imagine ...

The cold front that chilled out metro Phoenix on Tuesday morning won’t be around for long, but Wednesday will get off to a ...

Environmentalists say monarch populations are shrinking because of warmer temperatures from brought on by climate change, ...

U.S. officials decided to extend protections to monarch butterflies after warnings from environmentalists that populations ...

U.S. wildlife officials announced a decision Tuesday to extend federal protections to monarch butterflies after years of ...