Wilmington, DE Lightning Map
Real-time lightning tracking for Wilmington, Delaware. This city averages 28 thunderstorm days per year, making lightning awareness important for Wilmington residents and visitors.
Live data from NOAA GOES-19 GLM. Wilmington, DE.
Data sourced from NOAA GOES-19 GLM and the Storm Prediction Center.
Real-Time Lightning Near Wilmington
Monitor live lightning strikes and approaching storms
Live Lightning Data for Wilmington
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 Wilmington.
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Thunderstorm Season in Wilmington
When to expect lightning activity in Wilmington, DE
Thunderstorm season in Wilmington 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, Wilmington sees 3 more days of thunderstorm activity. The Delaware statewide average is 27 days.
Lightning Safety Tips for Wilmington
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 28 thunderstorm days annually, residents of Wilmington 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 Wilmington. 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 Wilmington
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 Wilmington 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 WilmingtonUnderstand strike clusters, motion, and timing so you can decide when to get indoors.
Wilmington Lightning FAQ
Fast answers for live lightning, storm season, and safety in Wilmington
How many thunderstorm days does Wilmington, Delaware get per year?
Wilmington averages 28 thunderstorm days per year. The national average is approximately 25 days, and the Delaware statewide average is 27 days.
When is thunderstorm season in Wilmington?
Thunderstorm season in Wilmington 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 Wilmington?
Follow the 30-30 rule: if the time between seeing lightning and hearing thunder is 30 seconds or less, seek shelter immediately. With 28 thunderstorm days annually in Wilmington, 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 Wilmington
Jump to nearby city pages when storms are moving across the region