Thousands of residents in the Dallas area are reportedly without power after a tornado hit Sunday night.
The city of Dallas said there had been no reports of deaths or serious injuries, according to The Dallas Morning News.
Early estimates suggest wind speeds were well over 100 mph, the Morning News added.
A number of Dallas schools and campuses were closed on Monday as a result of damage, the city said on Twitter.
Weather threats continued on Monday, as the National Weather Service issued a tornado watch for parts of Arkansas, Louisiana, Oklahoma and Texas until 10 a.m. local time.