The Storm Prediction Center says fierce storms are likely Saturday in a band running through the middle of the nation from Texas north to Minnesota.
The Norman, Okla.-based center's predictions were highlighted Friday afternoon when a twister touched down nearby at about 4 p.m.
Forecaster Daryl Williams said there are no reports of injuries from the tornado near the University of Oklahoma campus.
North Texas has a wind advisory for Saturday. As of Friday night, it appeared that the storms would develop late Saturday in West Texas and spread eastward into the Dallas/Fort Worth area on Sunday, NBC 5 Chief Meteorologist David Finfrock said.
Those storms have the potention to to be severe.
Forecasters at the center said Friday that the worst weather is expected between Oklahoma City and Salina, Kan., but that other areas also could see severe storms with baseball-sized hail and winds of up to 70 mph.
Tornadoes are also possible, and the Storm Prediction Center said the outbreak could be a "high-end, life-threatening event."
The late-night and early-morning timing of storm development in North Texas won't favor tornado development, but National Weather Service Senior Meteorologist Eric Martello said tornadoes can never be ruled out.
Martello said the major threat to Texas would most likely be damaging straight-line winds and hail late Saturday and Sunday.
The Storm Prediction Center is part of the National Weather Service.
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