Arlington County will be given heat counseling on Wednesday afternoon and excessive heat monitoring on Thursday afternoon.
The National Weather Service said today that high temperatures and humidity will reach dangerous levels during the week. On Thursday, heat index values of 105-110 degrees are possible.
Friday is expected to be almost as hot, but no heat warnings have been issued for that day. The area will cool down to more moderate summer temperatures this weekend.
More about the heat warning and the NWS clock:
… HEATING ADVICE VALID FROM WEDNESDAY LUNCH TO 8 PM EDT …
… EXCESSIVE HEATWATCH EFFECT FROM THURSDAY AFTERNOON TO
THURSDAY EVENING…
* WHAT … For the heat alert, heat index values range from about 100 degrees west of Interstate 95 to about 105 degrees near and east of Interstate 95. Dangerously hot conditions are possible for monitoring during excessive heat with heat indices that may range from about. range 105 degrees west of Interstate 95 to about 110 degrees near and east of Interstate 95.
* WHERE … The Washington, Baltimore and Fredericksburg areas, central and southern Maryland, northern Virginia and the eastern panhandle of West Virginia.
* WHEN … For heat advice, Wednesday noon until 8:00 p.m. EDT. For monitoring in excessive heat from Thursday afternoon through Thursday evening.
* IMPACT … Extreme heat and humidity significantly increase the risk of heat-related illnesses, especially for those who work or participate in activities outdoors.
PRECAUTIONS / PREPARATION MEASURES …
Monitor the latest forecasts and alerts for updates to this situation. Be prepared to drink a lot, stay in an air-conditioned room, stay out of the sun, and check out relatives and neighbors.
Small children and pets should under no circumstances be left unattended in vehicles. This is especially true in warm or hot weather, when the interior of the car can reach lethal temperatures in minutes.
The areas east of Blue Ridge will be monitored for excessive heat from 12:00 PM to 8:00 PM Thursday. Heat index between 105 west of I-95 and 110 near and east of I-95. Stay hydrated out there! #vawx #mdwx #dcwx #wvwx pic.twitter.com/qkFXx41cof
– Washingtonian Weather Geeks (@WashingtonianWx) August 10, 2021