Frederick, MD Lightning Map
Real-time lightning tracking for Frederick, Maryland. This city averages 33 thunderstorm days per year, making lightning awareness important for Frederick residents and visitors.
Live data from NOAA GOES-19 GLM. Frederick, MD.
Data sourced from NOAA GOES-19 GLM and the Storm Prediction Center.
Real-Time Lightning Near Frederick
Monitor live lightning strikes and approaching storms
Live Lightning Data for Frederick
Download the iOS app for live alerts, then use this city page plus the nearby-lightning and alert guides to make faster weather and safety calls in Frederick.
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Thunderstorm Season in Frederick
When to expect lightning activity in Frederick, MD
Thunderstorm season in Frederick spans from April through September. Peak lightning activity occurs in June and July, when warm, moist air from the south collides with cooler air masses. Spring severe weather season from March through May can produce dangerous storms.
Compared to the national average of approximately 25 thunderstorm days per year, Frederick sees 8 more days of thunderstorm activity. The Maryland statewide average is 33 days.
Lightning Safety Tips for Frederick
Essential guidelines to stay safe during thunderstorms
30-30 Rule
When you see lightning, count to 30. If you hear thunder before reaching 30, get indoors. Wait 30 minutes after the last thunderclap before going outside.
Seek Shelter
With 33 thunderstorm days annually, residents of Frederick should always have a shelter plan. Move inside a substantial building or hard-topped vehicle.
Stay Informed
Use Lightning Tracker to monitor real-time lightning near Frederick. Set alerts for your neighborhood to get advance warning of approaching storms.
Avoid Open Areas
Stay away from open fields, hilltops, isolated trees, and bodies of water during storms. If hiking, descend from ridges and peaks immediately.
Useful Guides for Frederick
These guides match the nearby-lightning and alert questions people ask most often
Use this guide to judge nearby strike danger fast, especially when storms are building near your neighborhood.
Alerts Best alert options for Frederick stormsSee how app alerts, NOAA weather radio, and local warnings work when storms move toward your city.
Map guide How to read live lightning around FrederickUnderstand strike clusters, motion, and timing so you can decide when to get indoors.
Frederick Lightning FAQ
Fast answers for live lightning, storm season, and safety in Frederick
How many thunderstorm days does Frederick, Maryland get per year?
Frederick averages 33 thunderstorm days per year. The national average is approximately 25 days, and the Maryland statewide average is 33 days.
When is thunderstorm season in Frederick?
Thunderstorm season in Frederick spans from April through September. Peak lightning activity occurs in June and July, when warm, moist air from the south collides with cooler air masses. Spring severe weather season from March through May can produce dangerous storms.
What should I do if caught in a lightning storm in Frederick?
Follow the 30-30 rule: if the time between seeing lightning and hearing thunder is 30 seconds or less, seek shelter immediately. With 33 thunderstorm days annually in Frederick, always have a shelter plan. Move inside a substantial building or hard-topped vehicle, and wait 30 minutes after the last thunderclap before going outside.
Nearest Lightning Maps to Frederick
Jump to nearby city pages when storms are moving across the region