A dangerous heat wave continues to grip Western and Central New York, with oppressive temperatures and high humidity combining to create heat index values that soared as high as 104°F (40°C) in some locations. The National Weather Service in Buffalo confirms that a heat advisory remains in effect through 6 p.m. on Tuesday, June 24, but cooler air is just around the corner.
When to expect temperatures to drop in New York
The peak of the heat wave is occurring this Monday, with the most extreme heat and humidity levels registered across the state. While Tuesday will still be hot and uncomfortable, a notable change is expected starting Wednesday, bringing a sense of relief.
By midweek, forecasters are predicting a return to more seasonable summer conditions, with afternoon highs in the low to mid-80s°F (about 27–29°C). While it won’t be cool, it will feel significantly less intense than the brutal stretch of the past few days.
Counties still under heat advisory
The heat advisory spans a large portion of the state, including Niagara, Orleans, Erie (North and South), Genesee, Wyoming, Chautauqua, Cattaraugus, Allegany, Monroe, Wayne, Northern Cayuga, Oswego, Livingston, Ontario, Jefferson, and Lewis counties. These areas are experiencing dangerously high temperatures combined with oppressive humidity, increasing the risk of heat-related illness.
Health concerns across affected areas
Extended exposure to extreme heat can be harmful, especially for young children, older adults, people living with chronic health conditions, and individuals without air conditioning. With persistent heat, even short periods outdoors can lead to heat exhaustion or heat stroke.
Staying safe until temperatures drop
Although cooler weather is on the horizon, residents are still facing hazardous heat through Tuesday evening. It’s crucial to stay indoors in air-conditioned spaces, avoid outdoor activity during peak sun hours, and monitor vulnerable neighbors and family members. Be alert to warning signs of heat-related illness, such as dizziness, confusion, or a rapid pulse, and act fast—call 911 if symptoms occur.


