An excessive heat warning is in effect today until Wednesday with temperatures expected to hit more than 110 degrees, according to the National Weather Service.
The warning, put in place Monday morning, affects areas of Arizona, Riverside County and Imperial County, according to the weather warning. The warning will remain in effect until 5 a.m. Wednesday. Temperatures are expected to head up between 110 to 115 degrees with warm overnight temperatures in the upper 80s and lower 90 degrees.
The combination of very hot afternoon temperatures and warm nights will result in oppressive conditions, according to the warning. It makes working outdoors considerably more difficult, and heat stroke will be more likely for those engaged in strenuous outdoor activities. The extreme warm overnight temperatures will make it difficult for the body to recover from the heat, especially for the elderly and those without air conditioning.
The National Weather Service recommends taking extra precautions if people work or spend time outside. When possible reschedule strenuous activities to early morning or evening, wear light weight and loose fitting clothing when possible, know the signs and symptoms of heat exhaustion and heat stroke, and drink plenty of water
To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency and people should call 911, according to the National Weather Service.