Extreme Heat Warning Arizona, California, Nevada | Effective 03/16/2026 19:53

Headline: 
Extreme Heat Warning issued March 16 at 7:53PM PDT until March 22 at 8:00PM PDT by NWS Las Vegas NV
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
March 16, 2026 - 7:53pm
Expires: 
March 17, 2026 - 9:00am
Description: 
* WHAT...Dangerously hot conditions with temperatures peaking between 95 and 100 degrees expected for the Las Vegas Valley, Pahrump Valley, and Kingman; temperatures peaking between 98 and 103 for lower elevations of southern Mohave County. * WHERE...In Arizona, Northwest Deserts. In California, Cadiz Basin, Death Valley National Park, Eastern Mojave Desert, Morongo Basin, and Western Mojave Desert. In Nevada, Las Vegas Valley, Northeast Clark County, Southern Clark County, and Western Clark and Southern Nye County. * WHEN...From 11 AM PDT /11 AM MST/ Wednesday to 8 PM PDT /8 PM MST/ Sunday. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Extreme early-season heat coupled with high tourism rates will make this heat very dangerous, particularly for those not acclimated to the heat and/or traveling from cooler climates. Numerous daily and monthly heat records are in jeopardy through at least Sunday.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose-fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air-conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates.
Area Description: 
Northwest Deserts; Death Valley National Park; Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin; Cadiz Basin; Northeast Clark County; Western Clark and Southern Nye County; Las Vegas Valley; Southern Clark County
Forcast Office: 
NWS Las Vegas NV
Sender: 
w-nws.webmaster@noaa.gov