Extreme Heat Warning

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
115 AM MST Sun Aug 3 2025

AZZ530>533-535-536-CAZ560>570-032300-
/O.CON.KPSR.XH.W.0006.250806T1700Z-250809T0300Z/
Parker Valley-Kofa-Yuma-Central La Paz-Southeast Yuma County-Gila
River Valley-Joshua Tree NP West-Joshua Tree NP East-Imperial
County Southwest-Salton Sea-Chuckwalla Mountains-Imperial County
Southeast-Imperial County West-Imperial Valley-Chiriaco Summit-
Palo Verde Valley-Chuckwalla Valley-
Including the cities of Fortuna Foothills, Ocotillo, Plaster
City, Mountain Spring, Winterhaven, Martinez Lake, Salome,
Ripley, Vicksburg Junction, Harcuvar, Alamorio, Calexico, El
Centro, Ehrenberg, Parker, Ligurta, Salton City, Coyote Wells,
Palo Verde, Lost Horse-Keys Village, Brenda, Midland, Imperial
Hot Mineral Springs, Cottonwood Visitor, Chiriaco Summit, Desert
Shores, Yuma, Coolidge Springs, Quartzsite, Brawley, Vicksburg,
Winona, Blythe, and Palm Canyon
115 AM MST Sun Aug 3 2025 /115 AM PDT Sun Aug 3 2025/

...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM MST /10 AM PDT/
WEDNESDAY TO 8 PM MST /8 PM PDT/ FRIDAY...

* WHAT...Dangerously hot conditions possible. Afternoon temperatures
  108 to 118. Major Heat Risk.

* WHERE...Portions of southwest Arizona and southeast and southern
  California.

* WHEN...From 10 AM MST /10 AM PDT/ Wednesday to 8 PM MST /8 PM PDT/
  Friday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat events. Overexposure can cause heat cramps and heat
  exhaustion to develop and, without intervention, can lead to heat
  stroke.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Extreme Heat Warning means that a period of very hot
temperatures, even by local standards, will occur. Actions should be
taken to lessen the impact of the extreme heat.

Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose-fitting clothing when possible
and drink plenty of water.

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.

Public cooling shelters are available in some areas. Consult county
officials for more details.

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