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

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 ...

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

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 ...

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 ...

On Tuesday at 8:49 p.m. a freeze warning was issued by the NWS Los Angeles/Oxnard CA valid for Wednesday between 3 a.m. and 9 ...

As the National Weather Service issued a freeze warning in San Antonio and the Hill Country, residents are sharing their ...

Our latest blast of cold air will have some of us feeling our first freeze of the season, but this cold spell won't last long as warmer temperatures quickly return to the desert ...