Extreme Heat Watch Arizona, Nevada | Effective 03/15/2026 13:37

Headline: 
Extreme Heat Watch issued March 15 at 1:37PM PDT until March 20 at 8:00PM PDT by NWS Las Vegas NV
Event: 
Extreme Heat Watch
Urgency: 
Future
Effective: 
March 15, 2026 - 1:37pm
Expires: 
March 16, 2026 - 2:00am
Description: 
* WHAT...Dangerously hot conditions with temperatures up to 100 possible. * WHERE...In Arizona, Northwest Deserts. In Nevada, Las Vegas Valley and Southern Clark County. * WHEN...From Thursday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
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. Monitor the latest forecasts and warnings for updates.
Area Description: 
Northwest Deserts; Las Vegas Valley; Southern Clark County
Forcast Office: 
NWS Las Vegas NV
Sender: 
w-nws.webmaster@noaa.gov