The numbers of many tropical birds are plummeting, and now it has been shown that heat extremes intensified by global warming ...

In the Southwest, cities including Las Vegas and Phoenix are under extreme heat warnings, with temperatures expected to climb ...

On Sunday at 10:42 p.m. the NWS Hanford CA released an updated extreme heat warning in effect until Tuesday at 5 a.m. The ...

YESTERDAY WAS DAY 4 OF HEAT WAVE # 3Sunday was another South Valley sizzler, with Bakersfield's high temp matching that of ...

Environment Canada issued a heat warning for eastern Ontario and western Quebec as temperatures are expected to remain in the ...

Dangerously hot weather persists in the East County as temperatures climb 4 to 8 degrees above average for this time of year.

An Extreme Heat Warning remains in effect for central and southwestern Arizona through 8 p.m. Tuesday. For the Grand Canyon ...

At 1:40 a.m. on Monday, the NWS Las Vegas NV released an updated extreme heat warning valid from 10 a.m. until Tuesday 8 p.m.

On Sunday at 1:11 p.m. an extreme heat warning was issued by the National Weather Service in effect until Tuesday at 10 p.m.

An extreme heat warning for Portland is issued by NWS, expecting temperatures up to 105 degrees. The public is advised to ...

The National Weather Service issued an extreme heat watch at 11:35 p.m. on Sunday valid for Tuesday between 11 a.m. and 8 p.m ...