Weather Alerts For Charlestown, MD

# HEADLINE -------------------- EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM TO 8 PM EDT FRIDAY EXTREME HEAT WARNING IN EFFECT FROM 10 AM TO 8 PM EDT SATURDAY # DETAILS -------------------- WHAT Dangerously hot conditions each afternoon with heat index values between 110 to 113 expected. WHERE Portions of DC, central, north central, northeast, northern, and southern Maryland, and central, northern, and northwest Virginia. WHEN For the first Extreme Heat Warning, until 8 PM EDT this evening. For the second Extreme Heat Warning, from 10 AM to 8 PM EDT Friday. For the third Extreme Heat Warning, from 10 AM to 8 PM EDT Saturday. IMPACTS Heat related illnesses increase significantly during extreme heat and high humidity events. ISSUED AT Thursday, July 2, 2026 at 1:32 PM EDT ISSUED BY National Weather Service Baltimore MD/Washington DC HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. 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. # AREAS AFFECTED -------------------- Calvert, Culpeper, Northwest Howard, Southeast Harford, Southern Baltimore, Spotsylvania, Western Loudoun, Albemarle, Anne Arundel, Arlington/Falls Church/Alexandria, Carroll, Cecil, Central and Southeast Howard, Central and Southeast Montgomery, Central and Southeast Prince William/Manassas/Manassas Park, Charles, District of Columbia, Eastern Loudoun, Fairfax, Frederick, Greene, King George, Madison, Northern Baltimore, Northern Fauquier, Northwest Harford, Northwest Montgomery, Northwest Prince William, Orange, Prince Georges, Rappahannock, Southern Fauquier, St. Marys, Stafford

# HEADLINE -------------------- AIR QUALITY ALERT IS IN EFFECT FOR THURSDAY JULY 2 2026 # SUMMARY -------------------- The Maryland Department of the Environment has issued a Code ORANGE Air Quality Alert Thursday for Northeast Maryland. A Code Orange Air Quality Alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children, people suffering from asthma, heart disease or other lung diseases and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles visit the web site mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/index.aspx # DETAILS -------------------- ISSUED AT Wednesday, July 1, 2026 at 4:40 PM EDT ISSUED BY Relayed by National Weather Service Baltimore MD/Washington DC HEADER Air Quality Alert Message | MD Dept of Environment and VA Dept of Environmental Quality # AREAS AFFECTED -------------------- Cecil, Southern Harford