United States

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  Governor Fallin: 'We Will Regain Our Strength'

  May 21, 2013; 2:05 PM

  A tornado, given the highest rating of EF-5, leveled Moore, Okla., on Monday, injuring 237 people.

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  Live: Tornado Threat Shifts to Northern Texas, Arkansas

  May 21, 2013; 5:43 PM

  Nearly the same setup for tornadoes that focused on Oklahoma Monday is targeting north central Texas Tuesday afternoon.

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  Austin to Memphis at Greatest Risk for Tornadoes Tuesday

  May 21, 2013; 5:36 PM

  Severe storms, some capable of producing tornadoes, will threaten communities across northeastern Texas, northwestern Louisiana and Arkansas into Tuesday night.

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  Severe Storms to Reach DC, NYC, Albany Thursday

  May 21, 2013; 5:20 PM

  The same storm system responsible for producing violent thunderstorms in Oklahoma recently will reach the Atlantic Seaboard Thursday.

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  More Storms for Recovery Efforts in Moore, Okla.

  May 21, 2013; 5:11 PM

  While additional strong thunderstorms will roll through through portions of tornado-ravaged Oklahoma Tuesday, the risk of tornadoes has diminished.

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  Moore Tornado Makeup: Nature's Fury

  May 21, 2013; 4:59 PM

  The atmospheric severe weather engine began firing on all cylinders this past weekend and reached full speed Monday over Oklahoma.

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  PHOTOS, VIDEOS: Massive Tornado Devastates Oklahoma Town

  May 21, 2013; 4:31 PM

  Preliminary reports are calling it an EF-4 tornado that has caused numerous fatalities and injuries in Moore, Okla.

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  Photos: Massive Tornadoes Lash the Plains

  May 21, 2013; 4:24 PM

  Several tornadoes touched down from Oklahoma to Iowa, including near Wichita, Kan., and Oklahoma City, on Sunday.

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  Summerlike Tuesday in DC, Philadelphia, New York

  May 21, 2013; 10:03 AM

  Rising temperatures and humidity across the mid-Atlantic will have it feeling like the end of June.

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  Renewed River Flood Threat for Northern Plains

  May 21, 2013; 4:42 AM

  Heavy rain returning to the northern Plains will generate a renewed flood threat for the Red River.

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  Reports: Tornado Levels Homes in Oklahoma City Suburbs

  May 21, 2013; 4:00 AM

  Tornadoes broke out from Texas to Missouri on Monday with a deadly tornado moving through the town of Moore, Okla.