Active Weather Alerts
Extreme Heat Watch
Issued: 12:54 AM Jun. 24, 2025 – National Weather Service
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM EDT TUESDAY... ...EXTREME HEAT WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING... ...EXTREME HEAT WARNING WILL EXPIRE AT 9 PM EDT THIS EVENING... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 111 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 110 possible. * WHERE...DC and portions of central, north central, northeast, northern, and southern Maryland, and central and northern Virginia. * WHEN...For the Extreme Heat Warning, from 11 AM to 9 PM EDT Tuesday. For the Extreme Heat Watch, from Wednesday morning through Wednesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. 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. &&
Extreme Heat Warning
Issued: 12:54 AM Jun. 24, 2025 – National Weather Service
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM EDT TUESDAY... ...EXTREME HEAT WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING... ...EXTREME HEAT WARNING WILL EXPIRE AT 9 PM EDT THIS EVENING... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 111 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 110 possible. * WHERE...DC and portions of central, north central, northeast, northern, and southern Maryland, and central and northern Virginia. * WHEN...For the Extreme Heat Warning, from 11 AM to 9 PM EDT Tuesday. For the Extreme Heat Watch, from Wednesday morning through Wednesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. 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. &&
Air Quality Alert
Issued: 9:09 PM Jun. 23, 2025 – National Weather Service
...AIR QUALITY ALERT IN EFFECT FOR TUESDAY JUNE 24 2025... Maryland Department of the Environment has issued a Code Orange Air Quality Alert for Ground Level Ozone for Northeast Maryland on Tuesday. 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. An Air Quality Alert means that Ground Level Ozone concentrations within the region may approach or exceed unhealthy standards. For additional information, please visit the Maryland Department of the Environment at: www.mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/ index.aspx
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