​​​​​​​​​​​​​​​​​​​​​​​​​​​​​Heat Safety​​​



When it's above 100° it's important to: Stay cool. Stay hydrated. Stay informed. The Phoenix Metro area will experience hot temperatures with high to very high heat risk. Heat related illness will be possible to those sensitive to the heat such as the elderly and homeless, individuals spending time outdoors, and those without effective cooling and/or adequate hydration.

Heat Relief Network

Heat Relief Network Map
The Heat Relief Network​ offers free water and indoor locations to cool off. View Heat Relief Network locations.

Practicee Heat Safety Wherever you are

Heat related illness and deaths are preventable. Review these tips to stay safe during extreme heat! 

​Do you know what triggers an excessive heat warning? An Excessive Heat Warning is issued by the National We​ather Service when there is a High or Very High Heat Risk.  During periods of excessive heat, it's best to remain indoors. Should you find yourself outside in the elements, here's how to protect yourself:

  • When possible, utilize indoor facilities that accommodate physical activity
  • Plan outdoor activities for the coolest times of the day
  • Limit and reduce duration of outdoor activity 
  • Take frequent breaks
  • Provide drinking water before, during, and after the activity 
  • Drink more water than usual. Avoid drinks with sugar, alcohol and caffeine
  • Pace physical activity
  • Plan for cool-down recovery time in the shade if possible following an outdoor activity
  • Wear light colored clothing, wide-brimmed hats

If you are outdoors, know the signs of heat exhaustion. Are you feeling faint or dizzy? Are you pale or is your skin clammy? See the warning signs below. 

Heat Exhaustion or heat strokeDownload flyer in English (PDF) or Spanish (PDF)

Cooling Stations

Heat Relief Network logoDuring the summer, staying hydrated and cool is vital!​

The "Heat Relief Network" offers free water and indoor locations to cool off. View Heat Relief Network locations that are BOTH hydration stations and cooling refuge locations for anyone needing to get out of the heat..


Stay hydrated!

In addition to the "We're Cool" cooling locations, there are designated water locations around the Valley, where you can get a FREE bottle of water to stay hydrated. Phoenix Parks and Recreation Centers, Senior Centers and other city buildings. Download a full list of water hydration locations  (PDF).


Take a Hike. Do it Right.

When the forecast hits the triple-digit, City of Phoenix Rangers advise not hiking during these weather conditions and ask that always follow these life-saving Take a Hike. Do it Right website safety guidelines.

Beat the Heat 

Heat affects everyone differently. In order to better address heat risk and allow you to prepare for upcoming heat events, the NWS has developed the experimental HeatRisk forecast. The NWS HeatRisk forecast provides a​ quick view of heat risk potential over the upcoming seven days.

Live Weather​​

​Read Weather Disclaimer, Weather Provided by AccuWeather®


Other Ways We Help

Never leave kids in a parked car!

Never leave your child in a parked car .... not even for a minute. Phoenix Children's Hospital says temperatures can reach between 131 and 172 degrees inside a parked car within 15 minutes.  They also recommend when out with your kids to make sure they drink 16 ounces of water every four hours. Learn more summer safety tips. ​

Keep Pets Safe!

Hot dog laying on ice

We want to help  keep pets safe and cool this summer. Did you know that dogs are prohibited on ALL city hiking trails when the temperature is 100 degrees or warmer? Learn how to spot signs of heat illness in you pets from the Humane Society (PDF)

Stay in the shade!

Phoenix has a Tree and Shade Master Plan that strives to create a healthier, more livable and prosperous Phoenix through the strategic investment in care and maintenance of urban forest and engineered shade.

Cars in unshaded parking lot  

​​​​​​​​​​Do you know what Phoenix Walkable Urban (WU) Code entails? The  Phoenix City Council approved code focuses on urban development around the light rail by adding pedestrian shade and architectural embellishments to make the area more walkable and pedestrian-friendly. 

Are you a renter that is having problems with your AC?

Phoenix adopted a Cooling Ordinance which included a minimum temperature for cooling and ventilation in rental  units. Rental units need to safely cool all habitable rooms to a temperature of no greater than 86 degrees if cooled by evaporative cooling; and no greater than 82 degrees if cooled by air conditioning.  

Phoenix's Human Services Department (HSD) investigates complaints to help renters learn their rights. Reach HSD at 602-262-7210. ​​

Additional Resources

Maricopa County: Surviving Arizona's Extreme Heat website
Arizona Dept. of Health Services: Heat Safety - Heat-Related Illness
National Weather Service: Heat Safety Information and Resources website
CDC: Extreme Heat

For an interactive hydration and cooling map for Valley wide locations visit, Maricopa Association of Governments Heat Relief. 

Summer Safety  

Visit Summer Sa​fety to learn about Summer Fun, how to be Heat Ready, and to learn more about Monsoon Weather Phoenix.gov/Summer


Summer Sun

Be Heat Ready ​​

​Limited Hiking During Extreme Heat

From July 16 - Sept. 30, 2021, when an Excessive Heat Watch is in effect, Camelback Mountain’s Echo Canyon Trail & Cholla Trail, and all trails associated with Piestewa Peak Trailhead in the Phoenix Mountains Preserve will be closed from 11 a.m. to 5 p.m. Learn more.

​Water is Life

To stay hydrated, drink water even when you don’t feel thirsty.

Shield Yourself

Always carry sunscreen and apply regularly to you and your kids. Also, wearing light-colored clothing and a wide-brimmed hat (or umbrella) will help protect your skin from harmful UV rays.​

Renters' Rights

Everyone has a right to cool air! Phoenix requires landlords to maintain a maximum 82° for units with air conditioning, or 86° for units with evaporative coolers. The city will investigate complaints. Call 602-262-7210.

Tie Up Trash

Please bag and tie your trash before putting it in your container. This helps prevent ​odors and insects. Remember, don’t overload your container and don’t bag recyclables. Phoenix.gov/PublicWorks/Garbage​​​