On Wednesday at 2:46 a.m. the NWS Las Vegas NV issued a heat advisory in effect until 8 p.m. for Owens Valley.

A heat advisory has been cancelled for the St. Lawrence River Valley, but that same advisory has been extended until 8 PM for ...

The NWS Reno NV issued a heat advisory at 1:22 p.m. on Tuesday in effect until Wednesday at 9 a.m. for Surprise Valley ...

The National Weather Service released a heat advisory at 4:18 a.m. on Tuesday in effect until Wednesday at 2 a.m. for Klamath ...

Freeway north of LA is included in an updated heat advisory released by the National Weather Service on Tuesday at 3:51 a.m. The advisory is in effect until 9 p.m.