At least two deaths from Oklahoma tornado - NBC Right Now/KNDO/KNDU Tri-Cities, Yakima, WA |

At least two deaths from Oklahoma tornado

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Tornado in Wynnewood, Oklahoma Tornado in Wynnewood, Oklahoma

WYNNEWOOD, Okla. - Storm chasers captured dramatic video of a tornado tearing through the city of Wynnewood, Monday afternoon.

At least one person was killed in the storms, just south of Oklahoma City. Another person was killed in Johnston County.

Forecasters the Ohio and Tennessee valleys could see violent weather on Tuesday. They say another storm system could hit an area from north Texas to near St. Louis on Wednesday.