Heat Advisory Issued for Upstate NY: Stay Safe in July 2025

A heat advisory is in effect from 11 a.m. to 8 p.m. Wednesday for much of Western and Central New York.

Heat index values could reach up to 98°F, increasing the risk of heat-related illnesses. Why this matters: High heat and humidity can be dangerous, particularly for children, the elderly, and those working outdoors.

Affected areas include Niagara, Orleans, Monroe, Wayne, and parts of Cayuga, Oswego, Jefferson, Livingston, Ontario, Yates, Seneca, Onondaga, Schuyler, Chemung, Tompkins, Madison, Oneida, Tioga, and Broome counties.

A cold front is expected to bring relief from the heat later in the week. Why this matters: Provides a timeline for when the heat wave will subside and temperatures will return to more comfortable levels.

Stay hydrated by drinking plenty of water.

Seek air-conditioned spaces when possible.

Avoid strenuous activities during peak heat hours (10 a.m. to 4 p.m.).

Wear lightweight, loose-fitting clothing.

Never leave children or pets unattended in vehicles.

Children

The elderly

Outdoor workers

People with chronic health conditions

Q: What is a heat advisory?

Q: What are the signs of heat exhaustion and heat stroke?

Stay informed about local weather forecasts and heat advisories.

Prioritize staying cool and hydrated to prevent heat-related illnesses.

Be aware of the risks and take precautions, especially if you are in a vulnerable group.

Relief from the heat is expected later in the week with the arrival of a cold front.

The combination of high air temperature and relative humidity will push the apparent temperature into the middle 90s for Wednesday afternoon and Wednesday evening.