LAS VEGAS (KLAS) — A excessive heat warning is in effect for the Las Vegas valley. The high temperature is expected to reach 111 on Friday. The warning, which began on Thursday at 11 a.m. is set to expire at 8 p.m.

The excessive heat warning is also issued for western, southern, northeast Clark County, and Lake Mead National Recreational Area during the same time period.

In southern Mohave County, along the Colorado River, the temperature could get as high as 120 degrees.

Extreme heat can significantly increase the potential for heat-related illnesses, especially for those working or taking part in outdoor activities. In many places, the overnight low temperature will be around 85 degrees compounding the risk for heat-related illnesses.

People should limit outdoor activities, drink plenty of water, avoid alcohol and caffeinated beverages, wear light-weight clothing and spend more time in ventilated or air-conditioned areas.

The extreme heat is especially hard on young and older people as well as your pets.

Here’s what is forecasted for the next several days:

  • Friday: 111 degrees, sunny and very hot
  • Saturday: 108 degrees, sunny and very hot
  • Sunday: 105 degrees, mostly sunny with a little humidity
  • Monday: 100 degrees, a slight chance of thunderstorms