Delaware, Maryland Severe Extreme Heat Watch | Effective 06/29/2026 23:44

Headline: 
Extreme Heat Watch issued June 30 at 2:44AM EDT until July 4 at 8:00PM EDT by NWS Mount Holly NJ
Event: 
Extreme Heat Watch
Urgency: 
Future
Effective: 
June 29, 2026 - 11:44pm
Expires: 
June 30, 2026 - 1:00pm
Description: 
* WHAT...Dangerously hot conditions with heat index values up to 110 degrees possible. * WHERE...In Delaware, Kent, Delaware Beaches, and Inland Sussex Counties. In Maryland, Caroline, Kent MD, Queen Annes, and Talbot Counties. * WHEN...From Thursday afternoon through Saturday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Very warm low temperatures in the mid to upper 70s at night will not offer much relief from the heat. This combined with multiple days of near record breaking temperatures will exacerbate the impacts from the heat and humidity.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Area Description: 
Kent; Inland Sussex; Delaware Beaches; Kent; Queen Anne's; Talbot; Caroline
Forcast Office: 
NWS Mount Holly NJ