Motorists are being encouraged to stay off roads, and ice on power lines forced public transportation officials to suspend the region’s light rail service.
Dallas’ woes are part of a severe cold snap stretching hundreds of miles from Texas to Kentucky.
“This will be the worst ice storm for the United States since January 2009 and will affect many of the same areas as that storm,” said Jesse Ferrell, weather expert and storm chaser for AccuWeather.com.
As of Friday morning, the National Weather Service had issued ice and winter storm warnings for 10 states. Oklahoma, Arkansas and Tennessee have already declared states of emergency. At least two deaths had been reported on roads in Texas and Missouri, according to Reuters.
Government forecasters warned of possible prolonged power outages across portions of the southern Great Plains toward the Lower Ohio Valley.
While the precipitation was due to move out of North Texas by noon Friday, the weather service painted a gloomier picture as the storm marches east: