Reston, VA

The National Weather Service has issued a heat advisory in effect from noon today through 8 p.m.

Heat index values are expected to climb up to 105 degrees due to temperatures in the mid-90s and dewpoints in the lower-to-middle 70s.

According to the alert, heat and humidity today may cause heat stress during outdoor exertion or extended exposure.

More from the alert:

A Heat Advisory means that a period of high temperatures is expected. The combination of high temperatures and high humidity will 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 – call 911.

Photo by Ruth Sievers

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