Regional Lightning Activity

U.S. Lightning Strike Data (15 minute updates)

 Vaisala - Free Lightning Explorer

Vaisala Lightning Explorer displays recent lightning activity across the entire continental U.S. The lightning data displayed is 20 minutes delayed and updated every 20 minutes. Get the latest map available by clicking "Refresh" under the map. The map shows a 2-hour time period with lightning data color coded in 20-minute increments.