Excessive Heat in Maine
Every excessive heat event the National Weather Service has filed in Maine, year by year, with the most significant episodes. Heat at or above the local excessive heat warning criteria, or heat that caused deaths.
The most significant on the map
The most significant excessive heat episodes in Maine.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The record
- Events
- 9
- Deaths
- 0
- Injuries
- 0
- Damage
- None recorded
Every year
The most significant
Ranked by deaths, injuries, damage and size together.
- Excessive Heat and Heat in Maine, June 24, 2025Hot humid conditions occurred across northern and eastern Maine during the 24th in advance of an approaching cold front.
- Excessive Heat in Maine, June 19 to 20, 2024A multi-day heatwave brought excessive heat to Maine with temperatures and high humidity bringing heat index values above 95 degrees. The heat began on June 17th before peaking in intensity on June 19th and 20th with heat index values above 100F.
- Excessive Heat in Maine, June 19, 2024An unusually strong high pressure system settled in over New England, raising daytime temperatures into the 90s for a period of approximately 3 days. Very humid conditions also occurred during this period, with heat indices rising above 100 to 105 for many locations.
More
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.