Arlington, VA

Arlington County, D.C. and other surrounding areas are now under an Excessive Heat Warning.

Heat index values are expected to exceed 110 degrees this afternoon, according to the National Weather Service, elevating the risk of heat-related illness — though the temperatures could be moderated in part by pop-up showers.

More on the Excessive Heat Warning from NWS:

…EXCESSIVE HEAT WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING… THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS ISSUED AN EXCESSIVE HEAT WARNING, WHICH IS IN EFFECT UNTIL 8 PM EDT THIS EVENING. THE HEAT ADVISORY IS NO LONGER IN EFFECT. * HEAT INDEX VALUES…AROUND 110 DEGREES DUE TO TEMPERATURES IN THE MID 90S, AND DEWPOINTS IN THE MID TO UPPER 70S. * IMPACTS…THE HEAT AND HUMIDITY MAY CAUSE HEAT STRESS DURING OUTDOOR EXERTION OR EXTENDED EXPOSURE. PRECAUTIONARY/PREPAREDNESS ACTIONS… AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF DANGEROUSLY HIGH TEMPERATURES WILL OCCUR. THE COMBINATION OF EXTREME TEMPERATURES AND HIGH HUMIDITY WILL CREATE A DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE EXPECTED. 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. KNOW THE SIGNS AND SYMPTOMS OF HEAT EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT 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. &&

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