New York Severe Extreme Heat Watch | Effective 06/29/2026 09:01

Headline: 
Extreme Heat Watch issued June 29 at 12:01PM EDT until July 3 at 8:00PM EDT by NWS Binghamton NY
Event: 
Extreme Heat Watch
Urgency: 
Future
Effective: 
June 29, 2026 - 9:01am
Expires: 
June 30, 2026 - 12:15am
Description: 
* WHAT...For the Heat Advisory, heat index values up to 97 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 105 possible. * WHERE...Broome, Chemung, Chenango, Cortland, Madison, Onondaga, Schuyler, Seneca, Southern Cayuga, Southern Oneida, Steuben, Tioga, Tompkins, and Yates Counties. * WHEN...For the Heat Advisory, from noon to 8 PM EDT Tuesday. For the Extreme Heat Watch, from Wednesday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...The hottest temperatures will be in urban valley locations during the mid to late afternoon period.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Area Description: 
Yates; Seneca; Southern Cayuga; Onondaga; Steuben; Schuyler; Chemung; Tompkins; Madison; Southern Oneida; Cortland; Chenango; Tioga; Broome
Forcast Office: 
NWS Binghamton NY