What to know: excessive heat warning Wednesday through Friday


LAS VEGAS (KLAS) – The first heat warning of the year has been issued as temperatures could equal or break daily records over the next few days.

Wednesday through Friday are expected to be the hottest days, with temperatures between 106 and 107, making it the first big heat wave of the season. 8 News Now Chief Meteorologist Tedd Florendo gave the following numbers:

  • Wednesday, 6/2: 106 degrees. The record is 107 in 2003.
  • Thursday, 6/3: 106 degrees. The record is 107 in 2016.
  • Friday, 6/4: 107 degrees. The record is 109 in 2016.

The excessive heat warning will be in effect from Wednesday, June 2 at 11 a.m. to Friday, June 4 at 9 p.m., according to the Las Vegas NWS.

Warmer than normal temperatures will also be felt in northwestern Arizona and southeastern California.

High temperatures can lead to heat exhaustion and heat stroke which can be fatal. Firefighters say the most important thing to remember is to stay hydrated, especially with water.

Signs of heat exhaustion:

  • Profuse sweating, pallor, muscle cramps, fatigue, weakness, dizziness, headache, nausea, vomiting, fainting, cool moist skin, rapid weak heartbeat, and rapid shallow breathing.
  • Heat exhaustion can lead to heat stroke.
  • See a doctor.

Signs of heatstroke:

  • Temperature above 103 degrees, red, hot and dry skin without sweating, rapid and strong pulse, headache, dizziness, nausea, confusion and unconsciousness.
  • See a doctor.
  • Cool the person immediately by wrapping them in a cool, damp sheet, ventilate them vigorously, spray with cold water, or give them a cool bath or shower if the person is awake and alert.
  • DO NOT give additional fluids to the person.
  • Heat stroke can cause permanent disability or death without treatment.

Las Vegas Fire & Rescue also warns that high temperatures increase the risk of fires in homes and businesses.

High heat can cause fire hazard:

  • Refrigerators / Freezers – If you have a refrigerator or freezer in the garage or in a room that is not cooled by an air conditioner, the compressor has to work very hard to keep the unit cool. If the compressor is running almost constantly, it may get hot enough to start a fire. Make sure there is no debris accumulated around or behind the unit. There is also more risk if the appliance is on carpet or wood.
  • Extension cords used with appliances can also cause fires and should not be used with refrigerators / freezers or air conditioners. Extension cords are not designed to support the load if a unit is constantly on.
  • When exposed to direct sunlight and heat, chemicals can cause a fire or, in some cases, explode.
  • Maintain air conditioners / fans as frayed wires or dust and dirt around the motor can cause a fire.
  • Do not leave aerosol cans in vehicles. When exposed to direct sunlight, they can explode.

As for pets, avoid walking them during the hottest hours of the day, between 1 p.m. and 5 p.m. Before going out, feel the pavement with the flesh of your palm. If it’s too hot on your skin, it’s too hot for their paws.

Additional safety tips include:

  • Wear loose, light-colored clothing
  • Wide-brimmed hats are best for keeping the sun’s rays off your face
  • SPF 15 is not sufficient. Wear high SPF sunscreen and reapply after getting out of the pool.

Check with your elderly neighbors to make sure they are safe and have a working air conditioner. Do not leave children or pets in vehicles unattended in the heat, whether the air conditioning is on or not.




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