LAS VEGAS (AP) — An excessive heat warning for Las Vegas and parts of northwestern Arizona has been extended until Thursday evening.

The National Weather Service says this week will be the Las Vegas valley’s “hottest week so far this year.”

Typically, high temperatures this time of year average 97 degrees.  Highs this week are expected to reach 100 or above. 

LAS VEGAS (AP) — The Las Vegas area will continue to be extremely hot through at least Friday.

The National Weather Service in Las Vegas has extended an excessive heat warning through Friday, when temperatures are expected to reach 113 degrees.

PHOENIX (AP) — The Salt River Project power utility says it has broken its record for delivering power to its Phoenix-area customers during a heat wave in the U.S. Southwest.

PHOENIX (AP) — The National Weather Service says a new high of 127 degrees (52.7 Celsius) has been set at California's Death Valley as a heat wave stretches across the U.S. Southwest.

An excessive heat warning was issued today for almost the entire southwest region of the United States.

In Phoenix, temperatures are expected to approach 120 degrees while most of Arizona and southern Nevada will experience temperatures from 112 to 119 degrees through Wednesday.

LAS VEGAS (AP) — Officials say extra places have been opened in and around Las Vegas to provide relief for people who need shelter while a heat wave bakes the region.

RENO, Nev. (AP) — National Weather Service officials who spent the winter cranking out record snowfall reports in northern Nevada are having a hard time keeping up with all the heat records falling in one of the hottest summers the region has ever seen.

LOS ANGELES (AP) — A heat wave blanketing the U.S. Southwest is toppling temperature records, raising wildfire danger and sending residents to pools and beaches for cool relief.

The Clark County Coroner's Office has confirmed that the excessive heat affecting the area has contributed to the deaths of four people since Saturday.

PHOENIX (AP) — American Airlines says seven regional flights have been delayed and 43 have been canceled because of a heat wave threatening to bring 120 degrees to Phoenix