The Arizona desert community of Martinez Lake hit 110 degrees F, breaking the record for the highest March temperature ever recorded in the U.S.

A desert community in southwestern Arizona reached 110 degrees (43.3 C) on Thursday, breaking a record for the highest March temperature ever recorded in the United States.

The City of Phoenix is closing hiking trails during the high heat of the day for the first time this year. It's the earliest trail closures have gone into effect since the program was initiated five ...

Arizona faces an extreme heat warning with record-breaking temperatures. Here's how to keep people and pets safe.

Record-breaking high temperatures across the region could have an impact on local agriculture. Brian Wong, President of BKW Farms in Marana, says these unseasonably warm temperatures are not great for ...

With the spring equinox ushering in warmer weather and people spending more time on the road, gas prices are trending upward alongside seasonal demand,” said AAA Mountain Wes ...

It's officially the last day of winter, but the forecast says otherwise. KNAU meteorologist Lee Born stopped by Morning Edition to discuss the heat wave breaking record-high temperatures.

An extreme heat warning is in effect for metro Phoenix as temperatures are forecast to reach a record-breaking 104 degrees.

U.S. weather forecast, temperatures: Scientists say there is overwhelming evidence that heat waves such as the one pummeling the western United States are a clear marker of global warming, a process ...

NORTH SHORE, Calif. (AP) — A day after a tiny desert community in Southern California reached 108 degrees (42.2 Celsius), tying the highest March temperature ever recorded in the U.S., forecasters ...