Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Gray ME
234 AM EDT Tue May 19 2026
NHZ012-013-015-200000-
/O.CON.KGYX.HT.Y.0001.260519T1500Z-260520T0000Z/
Eastern Hillsborough-Interior Rockingham-Western And Central
Hillsborough-
Including the cities of Milford, Chester, Exeter, Amherst,
Atkinson, Hollis, Manchester, Weare, Mont Vernon, Hampstead,
Plaistow, Newton, Salem, Goffstown, Sharon, Peterborough, Derry,
Nashua, and Pelham
234 AM EDT Tue May 19 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM
EDT THIS EVENING...
* WHAT...Heat index values up to 95 expected.
* WHERE...Western and Central Hillsborough, Eastern Hillsborough,
and Interior Rockingham Counties.
* WHEN...From 11 AM this morning to 8 PM EDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
* ADDITIONAL DETAILS...It will remain warm tonight as overnight lows
only dip into the upper 60s to lower 70s.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
&&
$$
JC
Air Quality Alert
NHZ013-014-200200-
Interior Rockingham-Coastal Rockingham-
Including the cities of Salem, Atkinson, Newton, Plaistow, Chester,
Derry, Hampstead, Exeter, Greenland, Portsmouth, Rye, Hampton,
Hampton Falls, North Hampton, and Seabrook
350 PM EDT Mon May 18 2026
...AIR QUALITY ALERT IN EFFECT FROM 10 AM TO 10 PM EDT TUESDAY...
The New Hampshire Department of Environmental Services has issued an
Air Quality Alert for ozone in from 10 AM to 10 PM EDT Tuesday.
Ozone levels in Rockingham County are expected to rise into the
Unhealthy for Sensitive Groups range.
The New Hampshire Department of Environmental Services is predicting
unhealthy air quality for sensitive individuals in the above-
mentioned counties. Sensitive individuals include children and older
adults; anyone with lung disease such as asthma, emphysema, and
bronchitis; and people who are active outdoors. Even healthy
individuals may experience mild health effects and should consider
limiting strenuous or prolonged outdoor activities.
For additional information, please visit the New Hampshire
Department of Environmental Prediction website at,
https://www4.des.state.nh.us/airdata/
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Burlington VT
229 AM EDT Tue May 19 2026
NYZ026>031-034-035-087-VTZ001>011-016>021-200630-
Northern St. Lawrence-Northern Franklin-Eastern Clinton-
Southeastern St. Lawrence-Southern Franklin-Western Clinton-
Western Essex-Eastern Essex-Southwestern St. Lawrence-Grand Isle-
Western Franklin-Orleans-Essex-Western Chittenden-Lamoille-Caledonia-
Washington-Western Addison-Orange-Western Rutland-Eastern Franklin-
Eastern Chittenden-Eastern Addison-Eastern Rutland-Western Windsor-
Eastern Windsor-
229 AM EDT Tue May 19 2026
This Hazardous Weather Outlook is for northern New York, central
Vermont, northeast Vermont, northwest Vermont and southern Vermont.
.DAY ONE...Today and tonight.
Strong to severe thunderstorms are possible this afternoon and
tonight. There is a Slight Risk (Level 2 to 5)for severe weather for
a majority of the region.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Buffalo NY
134 AM EDT Tue May 19 2026
NYZ001>008-010>014-019>021-085-200545-
Niagara-Orleans-Monroe-Wayne-Northern Cayuga-Oswego-Jefferson-Lewis-
Northern Erie-Genesee-Wyoming-Livingston-Ontario-Chautauqua-
Cattaraugus-Allegany-Southern Erie-
134 AM EDT Tue May 19 2026
This Hazardous Weather Outlook is for western and north central New
York.
.DAY ONE...Today and tonight.
Strong to severe thunderstorms are possible late today and tonight.
There is a Slight Risk (Level 2 to 5)for severe weather for the
entire region. Damaging winds and large hail are the main threats.
An isolated tornado cannot be ruled out.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Hazardous weather is not expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf
$$
Hazardous Weather Outlook
National Weather Service Buffalo NY
134 AM EDT Tue May 19 2026
LEZ020-040-041-LOZ030-042>045-062>065-SLZ022-024-200545-
Upper Niagara River and Buffalo Harbor-
Lake Erie nearshore waters from Ripley to Dunkirk-
Lake Erie nearshore waters from Dunkirk to Buffalo-
Lower Niagara River-
Lake Ontario nearshore waters from the Niagara River to Hamlin Beach-
Lake Ontario nearshore waters from Hamlin Beach to Sodus Bay-
Lake Ontario nearshore waters from Sodus Bay to Mexico Bay-
Lake Ontario nearshore waters from Mexico Bay to the Saint Lawrence
River-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
Lake Ontario open waters from Hamlin Beach to Sodus Bay-
Lake Ontario open waters from Sodus Bay to Mexico Bay-
Lake Ontario open waters from Mexico Bay to the Saint Lawrence River-
Saint Lawrence River from Cape Vincent to Ogdensburg-
Saint Lawrence River from Ogdensburg to Saint Regis-
134 AM EDT Tue May 19 2026
This Hazardous Weather Outlook is for the New York waters of Lake
Erie, Lake Ontario, and the Saint Lawrence River.
.DAY ONE...Today and tonight.
Strong to severe thunderstorms are possible late today and tonight.
There is a Slight Risk (Level 2 to 5)for severe weather for the
entire region. Stronger storms may produce localized gusty winds and
higher waves. Large hail will also be possible.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Hazardous weather is not expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf
$$
Hazardous Weather Outlook
National Weather Service Binghamton NY
106 AM EDT Tue May 19 2026
NYZ009-015>018-022>025-036-037-044>046-055>057-062-PAZ038>040-043-
044-047-048-072-200515-
Northern Oneida-Yates-Seneca-Southern Cayuga-Onondaga-Steuben-
Schuyler-Chemung-Tompkins-Madison-Southern Oneida-Cortland-Chenango-
Otsego-Tioga-Broome-Delaware-Sullivan-Bradford-Susquehanna-
Northern Wayne-Wyoming-Lackawanna-Luzerne-Pike-Southern Wayne-
106 AM EDT Tue May 19 2026
This Hazardous Weather Outlook is for central New York and
northeast Pennsylvania.
.DAY ONE...Today and tonight.
There is a marginal to slight risk for severe thunderstorms today
afternoon and into the evening.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Hazardous weather is not expected at this time.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures. Please relay
any information about severe weather to the NWS.
$$
