EXTREME HEAT WATCH
EXTREME HEAT WATCH ISSUED JULY 21 AT 12:28AM PDT UNTIL JULY 27 AT 8:00PM PDT
Effective: 2026-07-21 00:28:00
Expires: 2026-07-27 20:00:00
Issued by: NWS Las Vegas NV
Alert Text
* WHAT...DANGEROUSLY HOT CONDITIONS POSSIBLE. AFTERNOON TEMPERATURESIN THE DESERT VALLEYS WILL CLIMB INTO THE 108 TO 114 DEGREE RANGE, AND MAY EXCEED 115 ALONG THE COLORADO RIVER VALLEY, AND 120 DEATH VALLEY.
* WHERE...PORTIONS OF NORTHWEST ARIZONA, SOUTHEAST CALIFORNIA, AND SOUTHERN NEVADA INCLUDING THE GREATER MOJAVE DESERT REGION.
* WHEN...FROM THURSDAY MORNING THROUGH MONDAY EVENING.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING EXTREME HEAT EVENTS.
More Information
Target Area
LAKE HAVASU AND FORT MOHAVE, LAKE MEAD - AZ SIDE, LAKE MOHAVE - AZ SIDE, NORTHWEST DESERTS, DEATH VALLEY NATIONAL PARK, WESTERN MOJAVE DESERT, EASTERN MOJAVE DESERT, INCLUDING THE MOJAVE NATIONAL PRESERVE, MORONGO BASIN, CADIZ BASIN, SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY, NORTHEAST CLARK COUNTY, WESTERN CLARK AND SOUTHERN NYE COUNTY, LAS VEGAS VALLEY, SOUTHERN CLARK COUNTY, LAKE MEAD - NV SIDE, LAKE MOHAVE - NV SIDE
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