An excessive heat warning remains in effect for Fairfax County until 9 p.m. today. An excessive heat watch remains in effect from Saturday morning through Saturday evening.
Heat index values will be between 110 and 115 degrees this afternoon; up to 110 degrees again on Saturday afternoon. Temperatures this afternoon and again Saturday afternoon will be around 100, Fairfax County officials said in an alert to residents.
An excessive heat warning means that a prolonged period of dangerously hot temperatures will occur.
An excessive heat watch means that a prolonged period of hot temperatures is expected.
The combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are likely. There is a risk of heat exhaustion or other heat-related illness for those without air-conditioning or those spending time outdoors for an extended period.
Residents are encouraged to:
• Drink plenty of fluids, especially water.
• Do not leave children or pets inside cars.
• Stay in an air-conditioned room.
• Stay out of the sun.
• Check in on relatives and neighbors.
• Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening and schedule frequent rest breaks in shaded or air-conditioned environments
• Wear light weight and loose fitting clothing.
Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency – call 911 if anyone you know exhibits signs of heat illness.
Find the Fairfax County weather forecast.
More summer safety tips.
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