Maine, New Hampshire Moderate Heat Advisory | Effective 07/13/2026 11:22

Headline: 
Heat Advisory issued July 13 at 2:22PM EDT until July 14 at 8:00PM EDT by NWS Gray ME
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
July 13, 2026 - 11:22am
Expires: 
July 14, 2026 - 2:30am
Description: 
* WHAT...Heat index values in the mid 90s to low 100s expected. * WHERE...Portions of south central, southwest, and western Maine and central, northern, and southern New Hampshire. * WHEN...From 11 AM to 8 PM EDT Tuesday. * 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.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. 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.
Area Description: 
Southern Oxford; Southern Franklin; Southern Somerset; Interior York; Central Interior Cumberland; Androscoggin; Kennebec; Coastal York; 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
Forcast Office: 
NWS Gray ME