Flooding Turns Deadly as Arkansas, Oklahoma Prepare for 'Worst Flood in Our History'

The Arkansas River is expected to crest at its highest levels on record in parts of Oklahoma and Arkansas on Wednesday, a day after the historic flooding turned deadly.

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The Arkansas River is expected to crest Wednesday near Fort Smith, Arkansas, at 41 feet, well above the previous record of 38.1 feet there.

On Tuesday, the McLean levee in Logan county and the Levee District 1 in Toad Suck in Perry County topped along the Arkansas River, KATV reported.

Tulsa Mayor G.T. Bynum said Monday the levee system is "still operating as designed" but noted that it could quickly change. "We are asking for everyone to prepare for the worst-case scenario ... the worst flood in our history."

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“This is the culmination of a flood that is now in its fourth week,” David Williams, the U.S. Army Corps of Engineers Tulsa District chief of hydrology and hydraulics engineering, told the newspaper. “I know that it seems like only a weeklong event or so, but we’ve had excessive rainfall in the basin for a month now.”