It’s a scorcher of a Bastille Day in the Mid-Atlantic region. Arlington County and other parts of the D.C. area are now under a Heat Advisory.
The National Weather Service reissued the advisory early Friday afternoon as temperatures climbed into the 90s and the heat index hit 105 degrees.
The weather service is also warning of possible storms tonight.
More on the Heat Advisory from NWS:
… HEAT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING… THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS ISSUED A HEAT ADVISORY, WHICH IS IN EFFECT UNTIL 7 PM EDT THIS EVENING. * HEAT INDEX VALUES… AROUND 105 THIS AFTERNOON. * IMPACTS… RISK OF HEAT-RELATED ILLNESS FOR THOSE WITHOUT AIR- CONDITIONING OR THOSE OUTDOORS FOR AN EXTENDED PERIOD. PRECAUTIONARY/PREPAREDNESS ACTIONS… 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 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. &&
FRI 12:35 PM: Showers & T-storms developing, will increase in coverage this afternoon. Also, Heat Advisory issued for the metropolitan areas pic.twitter.com/q6HvihtMeJ
— NWS DC/Baltimore (@NWS_BaltWash) July 14, 2017
DC area, and all of Maryland, N. Va. in slight risk zone for severe storms later today: https://t.co/2o1EYPXNPo pic.twitter.com/DnWoZE3oFg
— Capital Weather Gang (@capitalweather) July 14, 2017
They've re-issued the heat advisory. IT'S HOT! pic.twitter.com/8ZLU0JleSY
— Doug Kammerer (@dougkammerer) July 14, 2017