Active Weather Alerts
Air Quality Alert
Issued: 1:58 PM May. 18, 2026 – National Weather Service
...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... The Pennsylvania Department of Environmental Protection has issued a Code Orange Air Quality Action Day for Ground Level Ozone, until midnight EDT tonight. An Air Quality Action Day means that air quality within the region may approach or exceed unhealthy standards. For more information on current and forecast concentrations of ground-level ozone and fine particulates, visit www.airnow.gov or www.aqpartners.state.pa.us
Heat Advisory
Issued: 6:52 AM May. 18, 2026 – National Weather Service
...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 8 PM EDT TUESDAY... * WHAT...Heat index values up to 97 degrees expected. * WHERE...In New Jersey, Mercer, Camden, Gloucester, and Northwestern Burlington Counties. In Pennsylvania, Delaware, Eastern Montgomery, Lower Bucks, and Philadelphia Counties. * WHEN...From noon today to 8 PM EDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Record setting temperatures possible through Wednesday. Tuesday will likely be the hottest day with highs in the mid 90s throughout the urban corridor. 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. &&
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