Scientists say a record-smashing March heat wave in the U.S. Southwest shows climate change is already driving more dangerous ...

Parts of California and Arizona were under extreme heat warnings again Saturday while sweltering summerlike weather even ...

First came tornadolike gusts, then single-digit wind chills followed by an expected high of 96 degrees in the same week. What's happening?

Unusual March heat has pushed temperatures into record territory in parts of the West. More extremes are expected in the days ...

A burst of unusual March heat is hitting the United States this week and into next, busting previous monthly heat records by wide margins. Temperatures in the West remain far above what’s typical for ...

The normal date of the first triple digit high temp is May 2 for Phoenix, but it surpassed that by several degrees to reach ...

Phoenix has seen several days with temperatures topping 100 degrees, and more extreme heat is expected through the weekend.

Millions face dangerous heat in California, Arizona and Nevada as record March temps blamed on climate change sweep the nation.

A monthlong seminar offers lessons in how to anticipate and prepare for the mounting disruptions of global warming ...

NOAA’s Climate Prediction Center now puts the odds of El Niño developing by mid-2026 at 62%, with probabilities climbing ...

The National Weather Service is forecasting atypical weather for the Columbus area for the rest of the weekend into early next week.