Extreme Heat Warning
Status
Event Continued Active alertStart Time
Fri 07/03/2026 12:12 AM EDTEnd Time
Fri 07/03/2026 08:00 PM EDTSignificance
WarningImpacts
High impact
Locations Affected
Manchester, NH ∙ Nashua, NH ∙ Portland, ME ∙ South Thomaston, ME ∙ Brookfield, NH ∙ Isle Au Haut, ME ∙ Somersworth, NH ∙ Limerick, ME ∙ Arundel, ME ∙ Sebasco Estates, MEFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service Gray ME 1212 AM EDT Fri Jul 3 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Dangerously hot conditions with heat index values up to 110. * WHERE...Portions of southwest and western Maine and central, northern, and southern New Hampshire. * WHEN...Until 8 PM EDT this 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. 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.
Technical Header
MEZ012-018>020-023-033-NHZ004>015-031615- /O.CON.KGYX.XH.W.0001.000000T0000Z-260704T0000Z/ Southern Oxford-Interior York-Central Interior Cumberland- Androscoggin-Coastal York-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 Plaistow, Newport, Wales, Sanford, Brookfield, Berwick, Gray, Hanover, Rumney, Fryeburg, Manchester, Portsmouth, Boscawen, New Gloucester, Turner, Unity, Saco, Loudon, Kittery, Lewiston, Holderness, Sullivan, Bryant Pond, Newry, Wolfeboro, North Conway, Barrington, Keene, Lempster, Hampton Falls, Goffstown, Chatham, Claremont, Sabattus, Hooksett, Greene, Dunbarton, Somersworth, Goodwins Mills, Nashua, Bridgewater, Newton, Croydon, Derry, Locke Mills, Harrison, Tuftonboro, Charlestown, Durham, Cornish, Buxton, Mont Vernon, Ashland, Albany, Plymouth, Livermore Falls, Canterbury, Jaffrey, Seabrook, Hampstead, Surry, Grantham, Limington, Amherst, Oxford, Salem, Hampton, Milton, Pelham, Gorham, Conway, Madbury, Minot, Atkinson, Crawford Notch, Bethel, Laconia, Rye, Auburn, Wakefield, Exeter, Greenland, Sharon, Concord, Gilsum, Hollis, Rollinsford, Meredith, Lebanon, Moultonborough, Peterborough, Dover, Rumford, Norway, Ossipee, Chester, North Windham, Rochester, Weare, Alfred, Old Orchard Beach, Goshen, Biddeford, Lyme, Naples, Gilford, Jackson, Ellsworth, Bridgton, Marlow, North Hampton, and Milford 1212 AM EDT Fri Jul 3 2026
