Heat Advisory: Southern Oxford; Southern Franklin; Southern Somerset; Interior York; Central Interior Cumberland; Androscoggin; Kennebec; Coastal York; Coastal Cumberland; Interior Cumberland Highlands; Southern Coos; Northern Grafton; Northern Carroll; Southern Grafton; Southern Carroll; Sullivan; Merrimack; Belknap; Strafford; Cheshire; Eastern Hillsborough; Interior Rockingham; Coastal Rockingham; Western And Central Hillsborough

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Heat Advisory — Southern Oxford; Southern Franklin; Southern Somerset; Interior York; Central Interior Cumberland; Androscoggin; Kennebec; Coastal York; Coastal Cumberland; Interior Cumberland Highlands; Southern Coos; Northern Grafton; Northern Carroll; Southern Grafton; Southern Carroll; Sullivan; Merrimack; Belknap; Strafford; Cheshire; Eastern Hillsborough; Interior Rockingham; Coastal Rockingham; Western And Central Hillsborough Severity: Moderate. Certainty: Likely. * WHAT...Heat index values 95 to 100 expected. * WHERE...Portions of south central, southwest, and western Maine and central, northern, and southern New Hampshire. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Low temperatures in the 70s south of the mountains will cause heat stress to accumulate overnight Tuesday, ahead of another hot day Wednesday.