Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Plains and Mississippi Valley

A heat wave over the Southwest will intensify late week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rain are expected over portions of the Plains and Mississippi Valley tonight, which will shift to parts of the Upper Midwest and mid-Mississippi Valley Friday. Monsoonal showers and flooding persist in the Desert Southwest. 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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Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Plains and Mississippi Valley

24-Hour Cumulative Lightning Strike Weekly Archive