• Heat Center
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    Arizona heat facts

    The hottest temperature ever recorded in Phoenix was 122 degrees back on June 26, 1990. Even more amazing? Our hottest overnight low was 96 degrees on July 15, 2003.

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      16 tips to avoid heat-related illnesses

      Check out our top tips for staying safe and healthy in the Arizona heat.

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        Urban heat island

        The Valley's growth and expansive pavement is storing daytime heating, keeping our low temperatures on the rise.

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          Heat illness

          Heat-related injuries fall into three major categories: heat cramps, heat exhaustion and heatstroke.

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            Heat forecasts and warnings

            Learn how to understand the difference between Excessive Heat Outlooks, Watches and Warnings, and when they're issued.

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              Cars and heat

              It happens every summer in Arizona -- children and pets are left inside parked cars, while people run "quick" errands, but temperatures inside can be deadly in a matter of minutes.

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                What is SPF?

                Find out how long it will take before you burn in the sun.

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                  Heat stress

                  The effects of heat on the body are known as heat stress.  Discover what the heat stress index is, based on temperature and humidity.

                  • Skin cancer information

                    The sun can provide relief from aching joints, acne and psoriasis. It's also a great source of Vitamin D.  But, experts agree the extreme dangers from too much sun outweigh the benefits.

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                    Weather News


                    1. AZ drought conditions intensifying

                      AZ drought conditions intensifying

                      Little to no improvement is expected before the monsoon arrives.

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