Experts say cultivating genetic diversity and mitigating Phoenix’s urban heat island must occur to protect native plants.

The streak ended just one day shy of tying the current record of 160 days without measurable rain in Phoenix, a record set in ...

The Old Farmer's Almanac released its weather predictions for spring 2025. Here's what to expect in Arizona, including ...

As the temperature dipped in the Northern Hemisphere over December 2024 , a delayed La Nina weather event finally arrived in the tropical Pacific Ocean, say meteorologists.   Marked by colder surface ...

Flagstaff and northern Arizona received 1-3 inches of snow on Monday, but more is coming. Here's how much fell and how much ...

Significant snow totals will likely be from the Cascades of the Pacific Northwest, Western BC, and the northern Rockies.

It rained — take a deep breath, Valley residents. Surprise saw 0.04 inches of rain and Sun City West got 0.20 inches of rain, ...

The result is that the federal Colorado Basin River Forecast Center is now predicting that April through July flows into ...

La Niña has arrived and is likely to be impacting the winter season, including how much snow and rain New England might see ...

We are halfway through winter and after an exceptionally warm start, North America’s winter is transitioning toward more ...

The Center for Biological Diversity and the Patagonia Area Resource Alliance say federal regulators failed to review a ...

A La Niña winter just started, but it isn't expected to last long. National forecasters are already looking ahead to the ...