#MEwx Extreme Heat Watch now in effect from Wednesday through Friday

National Weather Service Gray ME

2:18 AM EDT Mon Jun 29 2026

EXTREME HEAT WATCH 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.

 

Southern Oxford-Southern Franklin-Interior York-Central Interior

Cumberland-Androscoggin-Kennebec-Coastal York-Coastal Cumberland-

Sagadahoc-Lincoln-Interior Cumberland Highlands-Northern Carroll-

Southern Carroll-Sullivan-Merrimack-Belknap-Strafford-Cheshire-

Eastern Hillsborough-Interior Rockingham-Coastal Rockingham-

Western And Central Hillsborough-

Including the cities of Madbury, Portland, Jaffrey, Ossipee,

Bridgton, Waldoboro, Plaistow, Westbrook, Bowdoin, Lebanon,

Chesterville, Newcastle, Rochester, Berwick, Windsor, Marlow, New

Sharon, Rumford, Manchester, Unity, Greenland, Locke Mills, New

Vineyard, Temple, Weare, Nashua, Meredith, Hanover, Harrison,

Farmington, Newton, Saco, Claremont, Surry, Keene, Wakefield,

Barrington, Dover, Albany, Buxton, Jackson, Kittery, Amherst,

Gilsum, Grantham, Wales, Bath, Milford, Cornish, Topsham, North

Windham, Dresden, Hampstead, Seabrook, Greene, Canterbury,

Moultonborough, Livermore Falls, Tuftonboro, Bethel, South

Portland, Arrowsic, Boothbay Harbor, Pelham, Salem, Derry,

Atkinson, Concord, Bridgewater, Goffstown, Sanford, Bryant Pond,

Loudon, Minot, Hollis, Conway, Peterborough, Wiscasset, Durham,

Gray, Gorham, Dunbarton, Alfred, Goshen, Charlestown,

Somersworth, New Gloucester, Boscawen, Sabattus, Augusta,

Brunswick, Sidney, Bristol, Crawford Notch, Newport, Bowdoinham,

Exeter, Croydon, Waterville, Yarmouth, Jefferson, Sullivan, North

Conway, Whitefield, Brookfield, Hampton, China, Goodwins Mills,

Wilton, Laconia, Hooksett, Milton, Portsmouth, Auburn, Newry,

Limington, Norway, Sharon, Wolfeboro, Rye, North Hampton, Cape

Elizabeth, Chester, Oxford, Lempster, Phippsburg, Fryeburg,

Vassalboro, Biddeford, Old Orchard Beach, Lewiston, Mont Vernon,

Bremen, Turner, Naples, Hampton Falls, Chatham, Palermo,

Rollinsford, Jay, Gilford, Alna, and Damariscotta

2:18 AM EDT Mon Jun 29 2026

Source: NOAA/National Weather Service