Heat Index Information

  • The Daily Heat Index is not updated on days when the temperature is 95 or below or during breaks.
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  • During the school year, on school days that exceed 95 degrees or above, the Heat Index for zip code 85286 will be updated daily on this page by 8:00 a.m.

    Please contact your School Site for more information about high-heat days. 
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  • Heat-Related Illnesses and How to Avoid Them | Maricopa County, AZ

    Click here for CUSD Heat Index Guidelines.

    Heat Index:
    130+ degrees F

    Health Effect: Heatstroke/sunstroke is highly likely with continued exposure

    Recommendations: Avoid strenuous outdoor activity. Stay indoors in an air conditioned facility. Stay well-hydrated. Drink 10 gulps every 20 minutes. Check on your family, friends, and neighbors.

    Heat Index:
    105-129 degrees F

    Health Effect: Sunstroke, heat cramps and heat exhaustion are likely. Heat stroke is possible with prolonged exposure and/or physical activity

    Recommendations: Avoid strenuous outdoor activity; Stay indoors in an air conditioned facility; Stay well-hydrated. Drink 10 gulps every 20 minutes.

    Heat Index:
    90-104 degrees F

    Health Effect: Sunstroke, heat cramps and heat exhaustion are possible with prolonged exposure and/or physical activity

    Recommendations: Limit strenuous outdoor activity; Limit your time outdoors; Stay well-hydrated. Drink 10 gulps every 20 minutes.

    Heat Index:
    80-89 degrees F

    Health Effect: Fatigue is possible with prolonged exposure and/or physical activity

    Recommendations: Limit your time outdoors; Stay well-hydrated. Drink 10 gulps every 20 minutes.
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