A new study suggested state and local officials in Washington and its Pacific Northwest neighbors could do more to plan and ...

Fourteen states have set all-time March heat records, and the U.S.-wide record was tied or beaten on four consecutive days.

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

Meteorologists are reaching for superlatives to describe an oncoming heat wave so intense and rare for this time of year that ...