#MEwx Heat Advisory and Extreme Heat Watch for us tomorrow
National Weather Service Gray ME 1:57 PM EDT Tue Jun 30 2026 HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT WEDNESDAY EXTREME HEAT WATCH NOW IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING * WHAT...For the Heat Advisory, heat index values up to 104 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 110 possible. * WHERE...Kennebec, Lincoln, Sagadahoc, Coastal Cumberland, and Southern Franklin Counties. * WHEN...For the Heat Advisory, from 11 AM to 8 PM EDT Wednesday. For the Extreme Heat Watch, from Thursday morning through Thursday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Overnight low temperatures will only fall into the 70s, resulting in accumulated heat stress. PRECAUT...