Maine Lightning Map

Track real-time lightning strikes and thunderstorm activity across Maine. With an average of 20 thunderstorm days per year, Maine is a state with notable seasonal storm activity.

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Live data from NOAA GOES-19 GLM. Maine. — quiet period. Maine averages 20 thunderstorm days per year.

Lightning strike heatmap of Maine for the last 24 hours, rendered from NOAA GOES-19 GLM satellite data.
Server-rendered heatmap of Maine lightning activity in the last 24 hours. Each gold glow is a flash detected by NOAA GOES-19 GLM. Updates every 5 minutes.
Map loading…
Each marker is a recent lightning flash detected by NOAA GOES-19 GLM. Darker markers are older. Tiles © OpenStreetMap contributors.
20
Avg Storm Days/Year
2
Cities Tracked
1.4M
Population

Data sourced from NOAA GOES-19 Geostationary Lightning Mapper (GLM) and the Storm Prediction Center (SPC).

About Lightning in Maine

Maine averages 20 thunderstorm days per year, placing it slightly below the national average of 25 days. Located at approximately 44°N latitude, Maine is the northeasternmost US state, where cold ocean currents suppress coastal thunderstorm development, but inland areas experience moderate summer storm activity.

In Maine, maritime air masses interact with continental weather patterns during warm months. Peak thunderstorm activity occurs during June through August, when conditions align for the most frequent lightning strikes. With a population of 1.4 million residents, storm awareness and lightning safety are important considerations for anyone living in or visiting Maine.

#45
out of 50 states
20
storm days/year
5 fewer than the US average

When Thunderstorms Peak in Maine

Thunderstorm season in Maine runs from June through August. Storms are typically driven by frontal systems and can develop rapidly during warm, humid afternoons. While the season is more compressed than in southern states, individual storms can be intense with frequent cloud-to-ground lightning.

Peak Season
June through August

Top Cities in Maine

Monitor lightning activity in these Maine cities

Portland

ME
20 storm days/yr

Bangor

ME
20 storm days/yr

Lightning Safety in Maine

Stay safe during the 20 thunderstorm days Maine averages each year

Follow the 30-30 Rule

If the time between seeing lightning and hearing thunder is 30 seconds or less, seek shelter. Stay indoors for 30 minutes after the last thunderclap.

Stay Indoors During Storms

With 20 thunderstorm days annually in Maine, it's still worth being prepared when storms do occur. Avoid windows and stay away from plumbing.

Monitor Lightning Activity

Use Lightning Tracker to get real-time alerts when storms approach your area in Maine. Early awareness helps you make safer decisions.

Outdoor Safety

If caught outside, avoid open fields, hilltops, and isolated trees. Seek shelter in a substantial building or hard-topped vehicle.

Useful Guides for Maine

These pages help visitors who search for maps, nearby strikes, and alert setup

Near me How to check lightning near you in Maine

Use this guide when you want to know how fast nearby strikes can become a real safety problem in Maine.

 Map guide How to read a lightning map for Maine

Understand clusters, timing, and storm movement before relying on live iOS app alerts.

 Alerts Best ways to get lightning alerts in Maine

Compare app alerts, NOAA weather radio, and local warning workflows for storms in your area.

Maine Lightning FAQ

Fast answers for live maps, storm days, and lightning safety in Maine

How many thunderstorm days does Maine get per year?

Maine averages 20 thunderstorm days per year, based on NOAA climate data. The national average is approximately 25 thunderstorm days per year.

What is the 30-30 rule for lightning safety?

The 30-30 rule states: if the time between seeing lightning and hearing thunder is 30 seconds or less, seek shelter immediately. Stay indoors for 30 minutes after the last thunderclap before going outside.

How can I track lightning in Maine in real time?

Lightning Tracker uses NOAA GOES-19 GLM (Geostationary Lightning Mapper) satellite data to display real-time lightning strikes across Maine. The iOS app provides push notification alerts when storms approach your location.

iOS app

Track Lightning in Maine Right Now

Download the iOS app for live alerts, then use the Maine hub, city pages, and lightning guides for local map and safety context.

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Use the website for live maps. Use the iOS app to keep your area ready on your phone.