Figyelmeztetések, Pennsylvania Avenue National Historic Site

Excessive Heat Watch issued June 20 at 4:59PM EDT until June 22 at 8:00PM EDT by NWS Baltimore MD/Washington DC * WHAT...Dangerously hot conditions with heat index values up to 110 possible. * WHERE...Portions of DC, central, north central, northeast, northern, and southern Maryland, and central, northern, and northwest Virginia. * WHEN...From Saturday afternoon through Saturday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Oppressive heat and humidity will overspread the area Saturday and last into Sunday. Little relief from the heat is expected Saturday night with low temperatures in upper 70s to near 80 for most. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives, neighbors, pets, and livestock. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.