Summer Heat Safety

Please visit the updated Heat Resource page

Excessive Heat Warning

The National Weather Service in Phoenix has issued an Excessive
Heat Warning, which is in effect from Tuesday 10:00 AM until
Friday, 8:00 PM. This warning includes the Phoenix metro area. High temperatures may range from 107 and 113 degrees. Increased potential for heat related illness. Those working or participating in outdoor activities during the afternoon hours or those without access to adequate air conditioning will be most at risk. Stay indoors and seek air-conditioned buildings. Drink water, more than usual.

Excessive Heat Watch

The National Weather Service in Phoenix has issued an Excessive
Heat Watch, which is in effect from Thursday 10:00 AM until
Friday, 9:00 PM. This watch affects the Greater Phoenix area, northwest Pinal County, and the Tonto Basin. High temperatures may range from 110 and 115 degrees. Increased potential for heat related illness. Those working or participating in outdoor activities during the afternoon hours or those without access to adequate air conditioning will be most at risk.

Severe Thunderstorm Warning

Severe Thunderstorm Warning including Phoenix AZ, Mesa AZ, Scottsdale AZ until 5:00 PM MST

Flash Flood Warning

Flash Flood Warning until 6:45 PM MST. Thunderstorms may produce heavy rain.

Excessive Heat Warning

The National Weather Service in Phoenix has issued an Excessive Heat Warning, which is in effect Tuesday, August 13 until Thursday, August 15 at 8:00 p.m. This watch includes the Phoenix metro area. Increased potential for heat related illness. Those working or participating in outdoor activities during the afternoon hours or those without access to adequate air conditioning will be most at risk. Stay indoors and seek air-conditioned buildings. Drink water, more than usual.

Heat

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

The Heat Relief Network (Phoenix) offers free water and indoor locations to cool off. Locations on the downloadable map are marked hydration stations and/or cooling refuge locations for anyone needing to get out of the heat. Download Heat Relief Network Map English (PDF) Spanish (PDF)

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 Weather 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 stroke Download flyer in English (PDF) or Spanish (PDF).

Cooling Stations

Heat Relief Network logo During the summer, staying hydrated and cool is vital!

The "Heat Relief Network" offers free water and indoor locations to cool off. Download map of cooling locations English (PDF) Spanish (PDF) that are BOTH hydration stations and cooling refuge locations for anyone needing to get out of the heat. Or share and embed the interactive locations map below.

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.

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®

Summer Safety (PDF) Verano Seguro (PDF)

Want to help?

Phoenix’s Human Services Department (HSD) will continue to purchase and disseminate water to community-based providers that work with vulnerable populations like the homeless and seniors. To make a tax-deductible cash donation for water please call 602-677-6055.

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!

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.

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

Weather Disclaimer:
Weather data is provided as a general guide only. City of Phoenix assumes no responsibility for any loss resulting from use of this information. The user assumes the entire risk related to the use of this data. The City of Phoenix provides weather data through a third party "as is", and the City of Phoenix disclaims any and all warranties, whether express or implied, including (without limitation) any implied warranties of merchantability or fitness for a particular purpose. In no event will the City of Phoenix be liable to you or to any third party for any direct, indirect, incidental, consequential, special or exemplary damages or lost profit resulting from any use or misuse of this data.