Green Bay, WI Lightning Strike Map
Real-time lightning tracking for Green Bay, Wisconsin. This city averages 32 thunderstorm days per year, making lightning awareness important for Green Bay residents and visitors.
Live data from NOAA GOES-19 GLM. Green Bay, WI.
Data sourced from NOAA GOES-19 GLM and the Storm Prediction Center.
Real-Time Lightning Near Green Bay
Monitor live lightning strikes and approaching storms
Live Lightning Data for Green Bay
Download the mobile app for live alerts, then use this city page plus the nearby-lightning and alert guides to make faster weather and safety calls in Green Bay.
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Thunderstorm Season in Green Bay
When to expect lightning activity in Green Bay, WI
Green Bay sees most of its thunderstorm activity between May and August, with June and July being the peak months. Storms are typically driven by frontal systems and can develop rapidly during warm, humid afternoons. The transition months of May and September can also bring significant lightning.
Compared to the national average of approximately 25 thunderstorm days per year, Green Bay sees 7 more days of thunderstorm activity. The Wisconsin statewide average is 35 days.
Lightning Safety Tips for Green Bay
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 32 thunderstorm days annually, residents of Green Bay 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 Green Bay. 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 Green Bay
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 Green Bay 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 Green BayUnderstand strike clusters, motion, and timing so you can decide when to get indoors.
Green Bay Lightning FAQ
Fast answers for live lightning, storm season, and safety in Green Bay
How many thunderstorm days does Green Bay, Wisconsin get per year?
Green Bay averages 32 thunderstorm days per year. The national average is approximately 25 days, and the Wisconsin statewide average is 35 days.
When is thunderstorm season in Green Bay?
Green Bay sees most of its thunderstorm activity between May and August, with June and July being the peak months. Storms are typically driven by frontal systems and can develop rapidly during warm, humid afternoons. The transition months of May and September can also bring significant lightning.
What should I do if caught in a lightning storm in Green Bay?
Follow the 30-30 rule: if the time between seeing lightning and hearing thunder is 30 seconds or less, seek shelter immediately. With 32 thunderstorm days annually in Green Bay, 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 Green Bay
Jump to nearby city pages when storms are moving across the region