Extreme Heat Watch: 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

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Extreme Heat Watch — 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 Severity: Severe. Certainty: Likely. * 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.