La Paz County, AZ

Alerts

Warning Area
County Line

Alerts are listed in order of start time and level of severity. Click on the alert title to read details for each alert.

In effect from Sunday 07/26 12:59 PM MDT – Monday 07/27 9:00 PM MDT

Issued by NWS Phoenix AZ

What

Dangerously hot conditions. Afternoon temperatures 104 to 116. Major Heat Risk. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke.

Where

Mostly rural portions of southwest Arizona and southeast California, including Joshua Tree National Park.

When

Until 8 PM MST /8 PM PDT/ Monday.

Impacts

Heat related illnesses increase significantly during extreme heat events.

What to Do

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.


Areas Impacted

  • Kofa
  • 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
  • Chiriaco Summit

Tips to Stay Safe

An Extreme Heat Warning means that extremely dangerous heat conditions are happening now or soon. You must take precautions to protect yourself and others from extreme heat. 

  • Stay inside in air conditioning if possible. If you don’t have air conditioning, go to a library, mall, or local cooling center. 
  • Drink plenty of water to stay hydrated, and wear loose, light-colored clothing. 
  • Check on friends, family, and neighbors, especially those who do not have air conditioning or spend much of their time alone. 
  • Reschedule outdoor activities for a cooler day.
  • If you must be outdoors, take longer and more frequent breaks in the shade or air conditioning, and avoid the hottest parts of the day.
  • Bring pets indoors if possible. If pets are left outside, make sure they have shade and plenty of cool water. 
  • Make sure you know the signs of heat-related illness and how to respond.

In effect from Sunday 07/26 12:59 PM MDT – Wednesday 07/29 9:00 PM MDT

Issued by NWS Phoenix AZ

What

Dangerously hot conditions. Afternoon temperatures 109 to 116. Major Heat Risk.

Where

In Arizona, Parker Valley and Yuma. In California, Chuckwalla Valley, Imperial Valley, and Palo Verde Valley.

When

Until 8 PM MST /8 PM PDT/ Wednesday.

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.

What to Do

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.


Areas Impacted

  • Parker Valley
  • Yuma
  • Imperial Valley
  • Palo Verde Valley
  • Chuckwalla Valley

Tips to Stay Safe

An Extreme Heat Warning means that extremely dangerous heat conditions are happening now or soon. You must take precautions to protect yourself and others from extreme heat. 

  • Stay inside in air conditioning if possible. If you don’t have air conditioning, go to a library, mall, or local cooling center. 
  • Drink plenty of water to stay hydrated, and wear loose, light-colored clothing. 
  • Check on friends, family, and neighbors, especially those who do not have air conditioning or spend much of their time alone. 
  • Reschedule outdoor activities for a cooler day.
  • If you must be outdoors, take longer and more frequent breaks in the shade or air conditioning, and avoid the hottest parts of the day.
  • Bring pets indoors if possible. If pets are left outside, make sure they have shade and plenty of cool water. 
  • Make sure you know the signs of heat-related illness and how to respond.

Briefings

No recent briefing available

From the Forecaster

Extreme Heat Warning

Created by the NWS Phoenix WFO

Temperatures will cool a couple degrees during the beginning of the week before leveling off during the middle of the week. Lower desert high temperatures will reach 106-115 degrees, while lows will be in the upper 80s to middle 90s. With temperatures cooling HeatRisk will decrease to widespread Moderate with some areas of Major. An Extreme Heat Warning is in effect for all of the lower deserts through Monday evening. The Extreme Heat Warning was extended for the Phoenix Metro, Lower CO River Valley, and Imperial Valley through Wednesday.

Graphic displaying a map of the extreme heat warnings shown in magenta. The map on the top left is for the areas through Monday and the map on the top right is for the areas on Tuesday and Wednesday. Forecast highs/lows are in the top middle and heat safety information is shown across the bottom.

Seven-day Weather Risk Overview

The graphic shows the daily risk summary for 7 days. Daily risk is based on highest risk factor for that day.

risk level
out of 10
out of 10
out of 10
out of 10
out of 10
out of 10
out of 10
table legend
No risk
Low risk
High risk

Weather Forecasting Office

Phoenix Forecast Office

Find a Forecast