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Extreme Hot Weather

Extremely hot temperatures can result in death, especially among the elderly, very young, economically disadvantaged, and those with medical conditions such as heart and lung disease.

Extreme heat events are a common and recurring event in Placer County and any given summer may have a period of prolonged and sustained extreme heat. This can pose significant health hazards to the general public in terms of deaths (mortality) and non-fatal, yet adverse, health conditions, such as heat stress (morbidity). There are segments of the population that are more vulnerable to such conditions.

 The best defense is prevention. Here are some prevention tips:
  • Drink more fluids (nonalcoholic), regardless of your activity level.
  • Stay indoors and, if at all possible, stay in an air-conditioned place. If your home does not have air conditioning, go to the shopping mall or public library.
  • Electric fans may provide comfort, but when the temperature is in the high 90s, fans will not prevent heat-related illness.Taking a cool shower or bath, or moving to an air-conditioned place is a much better way to cool off.
  • Wear lightweight, light-colored, loose-fitting clothing.
  • NEVER leave anyone in a closed, parked vehicle.

Although any one at any time can suffer from heat-related illness, some people are at greater risk than others. Check regularly on:

  • Infants and young children
  • People aged 65 or older
  • People who have a mental illness
  • Those who are physically ill, especially with heart disease or high blood pressure


Visit adults at risk at least twice a day and closely watch them for signs of heat exhaustion or heat stroke. Infants and young children, of course, need much more frequent watching.

In case of emergency, dial 9-1-1.


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City of Roseville 311 Vernon St., Roseville, CA 95678. Phone: 916-774-5200.
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