Monsoon rains could bring relief from desert heat

Monsoon rains could bring relief from desert heat LAS VEGAS (KLAS) — Temperatures are expected to remain extremely high, hovering near 110 °F, with an Extreme Heat Warning in effect for the valley and a Heat Advisory for the Spring Mountains that will continue through Sunday at 8 p.m. Moisture is beginning to appear, bringing isolated to scattered thunderstorm chances across northwestern Arizona and parts of Lincoln County.