NWS Heat Risk

NWS HeatRisk is a color-numeric-based index that provides a forecast risk of heat-related impacts to occur over a 24-hour period. HeatRisk takes into consideration: How unusual the heat is for the time of the year. The duration of the heat, including both daytime and...

NWS Las Vegas | Extreme Heat Warning

Key Points: An Extreme Heat Warning has been issued for Death Valley, northwestern San Bernardino County, southern Nye County, northwest Clark County, northeast Clark County, the Las Vegas Valley, and the Colorado River Valley for Monday and Tuesday. Temperatures...