Headline:
Extreme Heat Watch issued June 30 at 3:03AM EDT until July 3 at 8:00PM EDT by NWS Baltimore MD/Washington DC
Event:
Extreme Heat Watch
Urgency:
Future
Effective:
June 30, 2026 - 12:03am
Expires:
June 30, 2026 - 8:15am
Description:
* WHAT...For the Heat Advisory, heat index values up to 106
expected. For the Extreme Heat Watch, dangerously hot conditions
with heat index values up to 112 possible.
* WHERE...DC and portions of central, north central, northeast,
northern, and southern Maryland, and central, northern, and
northwest Virginia.
* WHEN...For the Heat Advisory, from 11 AM to 8 PM EDT Wednesday.
For the Extreme Heat Watch, from Thursday morning through Friday
evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events. Hot temperatures and high
humidity may cause heat illnesses.
Instruction:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
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 9 1 1.
Area Description:
District of Columbia; Frederick; Carroll; Northern Baltimore; Cecil; Southern Baltimore; Prince Georges; Anne Arundel; Charles; Northwest Montgomery; Central and Southeast Montgomery; Northwest Howard; Central and Southeast Howard; Northwest Harford; Southeast Harford; Madison; Rappahannock; Orange; Culpeper; Fairfax; Arlington/Falls Church/Alexandria; Stafford; Spotsylvania; King George; Northern Fauquier; Southern Fauquier; Western Loudoun; Eastern Loudoun; Northwest Prince William; Central and Southeast Prince William/Manassas/Manassas Park
Forcast Office:
NWS Baltimore MD/Washington DC
Sender:
w-nws.webmaster@noaa.gov