Sussex County is not under a heat advisory, but temperatures through Wednesday will be in the 90s with triple-digit heat ...

Excessive heat warning: The warning is issued within 12 hours of the onset of extremely dangerous heat conditions. Summer 2025: Summer’s hottest party spots in Delaware How to beat the ...

Excessive heat warning: The warning is issued within 12 hours of the onset of extremely dangerous heat conditions. Summer 2025: Summer’s hottest party spots in Delaware How to beat the ...

A heat advisory will be in effect as 'oppressively hot with very humid conditions' hits Delaware on July 17. See the weather forecast.

An excessive heat warning is in effect throughout most of Delaware through Wednesday, June 23. The heat index for most of Delaware will hit 100 degrees or higher for much of this week. The ...

An extreme heat warning was issued by the National Weather Service in Mount Holly at 2:37 a.m. on Thursday, July 24.

With Delaware expected to have a hot summer ... Heat watches are issued when conditions are favorable for excessive heat in the next 24 to 72 hours. Excessive heat warning: The warning ...

Heat alert criteria are slightly different in the Miami metro area. In Miami-Dade and Broward counties, the thresholds for heat alerts are a bit lower. A heat advisory is issued when the heat ...