Headline:
Extreme Heat Warning issued July 21 at 11:58AM MST until July 27 at 8:00PM MST by NWS Phoenix AZ
Event:
Extreme Heat Warning
Urgency:
Expected
Effective:
July 21, 2026 - 11:58am
Expires:
July 22, 2026 - 5:00am
Description:
* WHAT...Dangerously hot conditions possible. Afternoon temperatures
108 to 116. Major Heat Risk.
* WHERE...Southwest Arizona and southeast California.
* WHEN...From 10 AM MST /10 AM PDT/ Wednesday to 8 PM MST /8 PM PDT/
Monday.
* 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.
Instruction:
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.
Area Description:
Parker Valley; Yuma; Imperial County Southwest; Salton Sea; Chuckwalla Mountains; Imperial County Southeast; Imperial County West; Imperial Valley; Chiriaco Summit; Palo Verde Valley; Chuckwalla Valley
Forcast Office:
NWS Phoenix AZ
Sender: