Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

The lightning images below are updated daily around 8:30–9:30 AM and contain 24-h accumulations of lightning ending at 7 am CDT (6 am CST) each day. These images show NLDN cloud-to-ground flashes only and represents cloud-to-ground lightning flashes, and is based on a surface detection network. Larger printable versions are at the bottom of the map segment.

24-Hour Cumulative Lightning Strikes	Yesterday	2 Days Ago	3 Days Ago	4 Days Ago	5 Days Ago	6 Days Ago	7 Days Ago	8 Days Ago

Printable: Yesterday, 2 Day Ago, 3 Days Ago, 4 Days Ago, 5 Days Ago, 6 Days Ago, 7 Days Ago, 8 Days Ago

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Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

24-Hour Cumulative Lightning Strike Weekly Archive