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Extreme Heat Watch


URGENT - WEATHER MESSAGE
National Weather Service Burlington VT
303 AM EDT Sat Jun 21 2025

NYZ028-VTZ001-002-005-212115-
/O.NEW.KBTV.XH.A.0001.250623T1500Z-250625T0000Z/
Eastern Clinton-Grand Isle-Western Franklin-Western Chittenden-
Including the cities of Burlington, Shelburne, St. Albans,
Alburgh, South Hero, Swanton, Plattsburgh, and Champlain
303 AM EDT Sat Jun 21 2025

...EXTREME HEAT WATCH IN EFFECT FROM MONDAY MORNING THROUGH TUESDAY
EVENING...

* WHAT...Dangerously hot conditions with heat index values up to 105
  possible.

* WHERE...In New York, Eastern Clinton County. In Vermont, Grand
  Isle, Western Chittenden, and Western Franklin Counties.

* WHEN...From Monday morning through Tuesday evening.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events.

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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Monitor the latest forecasts and warnings for updates.

&&

$$

Haynes

URGENT - WEATHER MESSAGE
National Weather Service Burlington VT
303 AM EDT Sat Jun 21 2025

NYZ035-VTZ009-021-212115-
/O.NEW.KBTV.HT.Y.0001.250622T1500Z-250623T0000Z/
/O.NEW.KBTV.XH.A.0001.250623T1500Z-250625T0000Z/
Eastern Essex-Western Addison-Eastern Windsor-
Including the cities of Springfield, Port Henry, Ticonderoga,
White River Junction, Middlebury, and Vergennes
303 AM EDT Sat Jun 21 2025

...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT SUNDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY MORNING THROUGH TUESDAY
EVENING...

* WHAT...For the Heat Advisory, heat index values up to 98 expected.
  For the Extreme Heat Watch, dangerously hot conditions with heat
  index values up to 106 possible.

* WHERE...In New York, Eastern Essex County. In Vermont, Western
  Addison and Eastern Windsor Counties.

* WHEN...For the Heat Advisory, from 11 AM to 8 PM EDT Sunday. For
  the Extreme Heat Watch, from Monday morning through Tuesday
  evening.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events. Hot temperatures and high
  humidity may cause heat illnesses.

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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Monitor the latest forecasts and warnings for updates.

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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Albany NY
259 AM EDT Sat Jun 21 2025

NYZ041-049-050-052-053-059>061-083-084-212100-
/O.NEW.KALY.HT.Y.0002.250622T1500Z-250623T0000Z/
/O.CON.KALY.XH.A.0001.250623T1500Z-250625T0000Z/
Northern Saratoga-Eastern Schenectady-Southern Saratoga-Eastern
Albany-Western Rensselaer-Eastern Greene-Western Columbia-Eastern
Columbia-Southeast Warren-Southern Washington-
Including the cities of Middle Falls, Troy, Jefferson Heights,
Glens Falls, Saratoga Springs, North Easton, Schenectady,
Rotterdam, Greenwich, Clifton Park, Saratoga Lake, Cairo, West
Glens Falls, Hudson Falls, Ballston Spa, Coxsackie, New Lebanon,
Athens, Catskill, Fort Edward, Cambridge, Mechanicville, Albany,
Burnt Hills, Waterford, and Hudson
259 AM EDT Sat Jun 21 2025

...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT SUNDAY...
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH
TUESDAY EVENING...

* WHAT...For the Heat Advisory, heat index values between 99 and 103
  degrees expected. For the Extreme Heat Watch, dangerously hot
  conditions with heat index values up to 108 degrees possible.

* WHERE...Eastern Albany, Eastern Columbia, Eastern Greene, Eastern
  Schenectady, Northern Saratoga, Southeast Warren, Southern
  Saratoga, Southern Washington, Western Columbia, and Western
  Rensselaer Counties.

* WHEN...For the Heat Advisory, from 11 AM to 8 PM EDT Sunday. For
  the Extreme Heat Watch, from Monday morning through Tuesday
  evening.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events. Hot temperatures and high
  humidity may cause heat illnesses.

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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Albany NY
259 AM EDT Sat Jun 21 2025

NYZ043-VTZ015-212100-
/O.NEW.KALY.HT.Y.0002.250622T1500Z-250623T0000Z/
/O.EXA.KALY.XH.A.0001.250623T1500Z-250625T0000Z/
Northern Washington-Eastern Windham-
Including the cities of West Brattleboro, Brattleboro, Huletts
Landing, Guilford Center, Bellows Falls, Whitehall, and Granville
259 AM EDT Sat Jun 21 2025

...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT SUNDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY MORNING THROUGH TUESDAY
EVENING...

* WHAT...For the Heat Advisory, heat index values between 97 and 102
  degrees expected. For the Extreme Heat Watch, dangerously hot
  conditions with heat index values up to 108 degrees possible.

* WHERE...In New York, Northern Washington County. In Vermont,
  Eastern Windham County.

* WHEN...For the Heat Advisory, from 11 AM to 8 PM EDT Sunday. For
  the Extreme Heat Watch, from Monday morning through Tuesday
  evening.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events. Hot temperatures and high
  humidity may cause heat illnesses.

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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Gray ME
240 AM EDT Sat Jun 21 2025

NHZ005-006-009-211845-
/O.NEW.KGYX.XH.A.0001.250623T1500Z-250625T0000Z/
Southern Grafton-Southern Carroll-Belknap-
Including the cities of Bridgewater, Moultonborough, Laconia,
Holderness, Lyme, Gilford, Plymouth, Meredith, Wakefield, Rumney,
Ellsworth, Ashland, Tuftonboro, Ossipee, Brookfield, Lebanon, and
Wolfeboro
240 AM EDT Sat Jun 21 2025

...EXTREME HEAT WATCH IN EFFECT FROM MONDAY MORNING THROUGH TUESDAY
EVENING...

* WHAT...Dangerously hot conditions with heat index values up to 105
  possible.

* WHERE...Belknap, Southern Carroll, and Southern Grafton Counties.

* WHEN...From Monday morning through Tuesday evening.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events.

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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Gray ME
240 AM EDT Sat Jun 21 2025

NHZ007-008-010>013-015-211845-
/O.NEW.KGYX.HT.Y.0002.250622T1500Z-250623T0000Z/
/O.NEW.KGYX.XH.A.0001.250623T1500Z-250625T0000Z/
Sullivan-Merrimack-Strafford-Cheshire-Eastern Hillsborough-
Interior Rockingham-Western And Central Hillsborough-
Including the cities of Surry, Concord, Dunbarton, Salem,
Chester, Hooksett, Madbury, Rochester, Manchester, Rollinsford,
Boscawen, Claremont, Jaffrey, Amherst, Charlestown, Mont Vernon,
Gilsum, Marlow, Dover, Hollis, Croydon, Milford, Peterborough,
Pelham, Goffstown, Goshen, Sharon, Barrington, Nashua, Plaistow,
Sullivan, Exeter, Somersworth, Keene, Durham, Unity, Loudon,
Weare, Newton, Derry, Atkinson, Grantham, Newport, Hampstead,
Lempster, Canterbury, and Cornish
240 AM EDT Sat Jun 21 2025

...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT SUNDAY...
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY MORNING THROUGH TUESDAY
EVENING...

* WHAT...For the Heat Advisory, heat index values up to 100
  expected. For the Extreme Heat Watch, dangerously hot conditions
  with heat index values up to 105 possible.

* WHERE...Western and Central Hillsborough, Merrimack, Strafford,
  Sullivan, Cheshire, Eastern Hillsborough, and Interior Rockingham
  Counties.

* WHEN...For the Heat Advisory, from 11 AM to 8 PM EDT Sunday. For
  the Extreme Heat Watch, from Monday morning through Tuesday
  evening.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events. Hot temperatures and high
  humidity may cause heat illnesses.

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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Monitor the latest forecasts and warnings for updates.

&&

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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