Maine Severe Extreme Heat Warning | Effective 07/02/2026 03:40

Headline: 
Extreme Heat Warning issued July 2 at 6:40AM EDT until July 2 at 8:00PM EDT by NWS Gray ME
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
July 2, 2026 - 3:40am
Expires: 
July 2, 2026 - 3:45pm
Description: 
* WHAT...Dangerously hot conditions with heat index values up to 108 expected. * WHERE...Coastal Waldo, Interior Waldo, Kennebec, Knox, Lincoln, Sagadahoc, and Coastal Cumberland Counties. * WHEN...From 11 AM this morning to 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.
Instruction: 
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.
Area Description: 
Kennebec; Interior Waldo; Coastal Cumberland; Sagadahoc; Lincoln; Knox; Coastal Waldo
Forcast Office: 
NWS Gray ME