Extreme Heat Watch
Status
Event Continued Active alertStart Time
Wed 07/01/2026 12:00 PM EDTEnd Time
Fri 07/03/2026 08:00 PM EDTSignificance
WatchImpacts
Moderate impact
Locations Affected
Manchester, NH ∙ Nashua, NH ∙ Portland, ME ∙ Hollis, ME ∙ Cape Elizabeth, ME ∙ Lebanon, NH ∙ Bethel, ME ∙ Newbury, NH ∙ West Poland, ME ∙ Hillsboro, NHFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service Gray ME 635 AM EDT Tue Jun 30 2026 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH FRIDAY EVENING... * WHAT...Dangerously hot conditions with heat index values up to 110 possible. * WHERE...Portions of south central, southwest, and western Maine and central, northern, and southern New Hampshire. * WHEN...From Wednesday afternoon through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Overnight low temperatures will only fall into the 70s, resulting in accumulated heat stress. 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.
Technical Header
MEZ012-013-018>021-023>026-033-NHZ004>015-302245- /O.CON.KGYX.XH.A.0001.260701T1600Z-260704T0000Z/ Southern Oxford-Southern Franklin-Interior York-Central Interior Cumberland-Androscoggin-Kennebec-Coastal York-Coastal Cumberland- Sagadahoc-Lincoln-Interior Cumberland Highlands-Northern Carroll- Southern Grafton-Southern Carroll-Sullivan-Merrimack-Belknap- Strafford-Cheshire-Eastern Hillsborough-Interior Rockingham- Coastal Rockingham-Western And Central Hillsborough- Including the cities of Lyme, Greenland, Sanford, Barrington, Brunswick, Temple, Gilford, Concord, Rumney, Canterbury, Nashua, Plymouth, Topsham, Waldoboro, Hampstead, Jaffrey, Dover, Bryant Pond, North Conway, Lebanon, Alna, Chester, Peterborough, Newry, Windsor, Cornish, Bowdoinham, Sullivan, Biddeford, South Portland, Laconia, Arrowsic, Yarmouth, Berwick, Chatham, Albany, Vassalboro, Bridgewater, Exeter, Jefferson, Auburn, Newton, Rumford, Wilton, Weare, Greene, Rye, Boothbay Harbor, Hampton, Kittery, Lewiston, Cape Elizabeth, Goshen, Damariscotta, Pelham, Amherst, Atkinson, Locke Mills, Oxford, Fryeburg, Turner, Farmington, Seabrook, Sabattus, Manchester, Bath, Bristol, Durham, Livermore Falls, Boscawen, Portsmouth, Naples, Marlow, Whitefield, New Vineyard, Harrison, Gray, Limington, Saco, Bridgton, Milford, Goffstown, Bremen, Chesterville, Mont Vernon, Hampton Falls, Goodwins Mills, Alfred, Crawford Notch, Ellsworth, Charlestown, Madbury, Salem, North Hampton, Westbrook, Croydon, Ashland, New Sharon, Loudon, Norway, Milton, Somersworth, Portland, Waterville, Wiscasset, Grantham, Moultonborough, Lempster, Wakefield, Brookfield, Buxton, Jay, Plaistow, Newcastle, Gilsum, Gorham, Wolfeboro, Holderness, China, Rochester, Unity, Old Orchard Beach, Surry, Wales, Hanover, Dunbarton, Bethel, North Windham, Tuftonboro, Ossipee, Meredith, Phippsburg, Newport, New Gloucester, Hollis, Claremont, Palermo, Conway, Bowdoin, Sidney, Rollinsford, Derry, Augusta, Minot, Hooksett, Dresden, Keene, Jackson, and Sharon 635 AM EDT Tue Jun 30 2026
