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    New wave of tornadoes hits Midwest

    01:45
  • More violent weather ahead after tornadoes reported in Plains

    01:50
  • Hundreds of thousands without power in Houston days after deadly wind storm

    01:54
  • Powerful storm causes multiple deaths and widespread damage in Houston

    02:25
  • Tornado rips through Western Pennsylvania, leaving trail of destruction in its wake

    01:27
  • Northern lights visible across U.S., even reaching the deep south, due to solar storm

    02:13
  • Severe storms hit Florida after week of violent weather

    01:29
  • At least 10 killed in wave of severe weather

    01:52
  • Trail of destruction after tornadoes sweep through multiple states

    02:30
  • Tornadoes rip through parts of the Plains

    01:46
  • 8 million under flood threat as deadly flood water engulfs Southeast Texas

    03:52
  • Catastrophic flooding forces rescues and evacuations in South Texas

    01:57
  • Deadly, destructive tornado rips through Kansas town

    01:34
  • At least 5 killed after violent tornado outbreak

    02:05
  • At least 4 confirmed casualties as tornadoes decimate areas throughout the weekend

    03:18
  • Massive tornado outbreak reduced areas to rubble across multiple states

    04:17
  • More than a dozen tornadoes reported in Nebraska and Texas

    02:08
  • More than 20 tornadoes reported as tens of millions face severe weather threat

    00:57
  • Severe storms and tornadoes sweep through Gulf Coast as millions face flooding risk

    02:02
  • Towns along solar eclipse path brace for millions of tourists

    02:48

Hurricane Idalia will have 'catastrophic impact' at landfall

01:38

Category Idalia is expected to strike Florida as a Category 4 storm. NBC News meteorologist Michelle Grossman looks at the latest forecasts for wind speed, storm surges and rainfall as the hurricane crosses Georgia and the Carolinas.