The National Weather Service has issued an excessive heat warning for Hudson County and four other northeastern New Jersey counties, in effect from now until Wednesday, July 30th.
According to forecasters, heat index values — a measure of how hot it feels when humidity is factored in — could reach up to 106 degrees Fahrenheit.
The warning applies to Hudson, Bergen, Essex, Union, and Passaic counties, where daytime temperatures in the mid-90s, alongside high humidity, are expected to create dangerous conditions.
An additional 12 counties across the state are under a heat advisory during the same period, where heat index values are forecast to reach between 100 and 104 degrees.
Counties Under Excessive Heat Warning
- Hudson
- Bergen
- Essex
- Union
- Passaic
Counties Under Heat Advisory
- Sussex
- Warren
- Morris
- Hunterdon
- Somerset
- Mercer
- Middlesex
- Monmouth
- Burlington
- Camden
- Gloucester
- Ocean
Health and Safety Guidance
The National Weather Service advises residents in affected areas to take the following precautions:
- Limit outdoor activity, particularly during peak heat hours (12 p.m. to 6 p.m.)
- Stay hydrated and avoid alcohol or caffeine
- Seek air-conditioned environments
- Check on elderly neighbors, young children, and individuals with chronic illnesses
- Never leave children or pets in parked vehicles
Residents are encouraged to monitor updates from local municipalities for information about cooling centers and public health advisories. Several cities, including Jersey City and Hoboken, are expected to activate heat safety protocols during the warning period.
