From climate change to urban heat island, Arizona's weather is killing and injuring people. Here's why Arizona's weather is ...

An unseasonably strong ridge of high pressure could bring the earliest triple digit day on record to Phoenix today.

Spring starts on March 20. Here's what to expect from the weather, according to four different expert forecasters. See what's ...

Record heat is expected on Tuesday in the Valley. We'll see a high of 99 degrees on Tuesday in Phoenix. Tuesday's high is ...

At least one person has died in the second fatal multi-vehicle crash in two days to occur on Interstate 40 in northern ...

Thursday is an ABC15 Weather Action Day as winds crank up and rain falls across the Valley. Winter storm conditions are ...

Weekend conditions and temperatures statewide look to improve rapidly, with mostly sunny skies and highs in the mid-to upper ...

Another cold front and storm system will move across the state through the afternoon and night. This system brings more snow to Northern Arizona and rain to the Valley and Lower Deserts. Winds will ...

The heaviest precipitation starts west and spreads east through the afternoon. Afternoon into the night will be the heaviest period of precipitation, including snow over northern Arizona. It is likely ...

A bill in the Arizona Legislature would ban geoengineering and certain other weather modification measures, though it excludes cloud seeding. Cloud seeding has been the subject of studies and ...