• Office of Emergency Management
    1500 Marilla St.,
    Dallas, Texas 75201
    Phone: (214) 670-4275
    Fax: (214) 670-4677

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    ​​​​Extreme Heat

    Extreme Heat -- including heat waves -- is an extended period of time with temperatures consistently ten (10) plus degrees above normal and often accompanied by high humidity.

    Extreme heat conditions are dangerous and can be life-threatening. Most heat-related illnesses are preventable.

    Those most at risk of heat-related illnesses include:

    • The very old
    • The very young
    • Those with chronic health conditions
    National Weather Service Heat Safety Infographic with Safety Tips