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Heat Advisory

Status

New Event Active alert

Start Time

Tue 06/30/2026 12:00 PM EDT

End Time

Tue 06/30/2026 08:00 PM EDT

Significance

Advisory

Impacts

Low impact

Locations Affected

Buffalo, NY ∙ Rochester, NY ∙ Niagara Falls, NY ∙ Lycoming, NY ∙ Niagara, NY ∙ Hoffman, NY ∙ Wrights Corners, NY ∙ Darien, NY ∙ Clarkson, NY ∙ Avon, NY

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Buffalo NY 114 PM EDT Mon Jun 29 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM EDT TUESDAY... ...EXTREME HEAT WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH FRIDAY EVENING... * WHAT...For the Heat Advisory, heat index values as high as 100 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values as high as 110 possible. * WHERE...Niagara, Orleans, Monroe, Wayne, Northern Cayuga, Oswego, Northern Erie, Genesee, Livingston, and Ontario Counties. * WHEN...For the Heat Advisory, from noon to 8 PM EDT Tuesday. For the Extreme Heat Watch, from Wednesday afternoon through Friday evening. * IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. Hot temperatures and high humidity may cause heat related illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. This is especially true during hot weather when car interiors can reach lethal temperatures in a matter of minutes. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Technical Header

NYZ001>006-010-011-013-014-300600- /O.NEW.KBUF.HT.Y.0002.260630T1600Z-260701T0000Z/ /O.NEW.KBUF.XH.A.0001.260701T1600Z-260704T0000Z/ Niagara-Orleans-Monroe-Wayne-Northern Cayuga-Oswego-Northern Erie- Genesee-Livingston-Ontario- Including the cities of Niagara Falls, Medina, Rochester, Newark, Fair Haven, Oswego, Buffalo, Batavia, Geneseo, and Canandaigua 114 PM EDT Mon Jun 29 2026