Temperatures in the Valley will slowly begin to climb early this week in Phoenix. A storm system is expected to arrive on ...

The Weather Service predicts a milder-than-average winter across the southern portion of the country and along the Eastern ...

Forecasters agree, Arizona is looking forward to a unique winter. Here's what weather the Old Farmer's Almanac, NOAA and AccuWeather predict.

The Arizona Republic's climate reporter, Joan Meiners, is biking the length of the Arizona Trail to document changes to ...

PHOENIX - One more day of warmer than average temperatures as moisture starts to move into Arizona.

The Climate Prediction Center has released the winter outlook and southern Arizona could be looking at more dry conditions ...

La Niña is here, and it will likely stick around for most of the winter. During La Niña, ocean temperatures are cooler than ...

AZ(Land) is working to protect Arizona communities from the impact of climate and inequity through environmental justice ...

On Halloween, Phoenix averages a high of 83 degrees and a low of 60, usually with no rain, according to the National Weather ...

The Republic's climate reporter started her journey on the Arizona Trail with detours that were forced by wildfires and left ...

A study led by University of Arizona researchers shows that decades of groundwater pumping by humans has depleted Tucson-area ...