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The National Weather Service in Mobile has issued a heat advisory, which has been in effect from 7 p.m., Friday evening, until 7 p.m., Monday.

The heat index values are around 107 to 112 degrees, locally up to 115 degrees over the next three days.

Emergency Management Agency assistant director Frank Shaffer said heat exhaustion might set in if individuals are not adequately cooled and/or hydrated. Morning lows remaining above 78 degrees will add to the overall heat stress with little to no relief.

Shaffer said this will be a prolonged heat event lasting over the next couple of days.

“A Heat Advisory means that a period of hot temperatures is expected of 103 to 104 degrees or heat indices of 108 to 112,” Shaffer said. “The combination of hot temperatures and high humidity will combine to create a situation in which heat illnesses are possible. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible 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.”