Estado do tempo em Greenwood Tunnel (historical)

Excessive Heat Watch issued June 20 at 9:54PM EDT until June 22 at 8:00PM EDT by NWS Baltimore MD/Washington DC* WHAT...Dangerously hot conditions with heat index values up to 110possible.* WHERE...Portions of DC, central, north central, northeast,northern, and southern Maryland, and central, northern, andnorthwest Virginia.* WHEN...From Saturday afternoon through Saturday evening.* IMPACTS...Heat related illnesses increase significantly duringextreme heat and high humidity events.* ADDITIONAL DETAILS...Oppressive heat and humidity will overspreadthe area Saturday and last into Sunday. Little relief from theheat is expected Saturday night with low temperatures in upper 70sto near 80 for most.Drink plenty of fluids, stay in an air-conditioned room, stay out ofthe sun, and check up on relatives, neighbors, pets, and livestock.Do not leave young children and pets in unattended vehicles. Carinteriors will reach lethal temperatures in a matter of minutes.

National Weather Service