More than 100,000 homes and businesses have been left without power after a tornado ripped through parts of northern Dallas late Sunday.
Flights at the Love Field airport were also delayed, officials added.
No injuries or deaths have immediately been reported, and no flash flood warnings have been issued.
Police and firefighters were scanning neighbourhoods to determine the extent of the damage on life and property.
Floods, landslides kill 56 in India and 14 in Nepal
Heavy rain and storms have triggered floods and landslides that killed 56 people in India, while in Nepal, 14 have died and another 11 are missing, with authorities warning on Sunday that more flash floods are possible.
British police arrest five men at US air base in major incident
British police arrested five men near a US air base on suspicion of explosive and terrorism offences on Sunday after a tip-off that three vans had been heading to the military airfield which has been used to strike Iran.
Russia says it struck military infrastructure, vessels in Ukraine
The Russian defence ministry said on Sunday its forces had carried out overnight drone strikes on logistics centres, port and transport infrastructure, as well as communications centres and vessels that Moscow said were linked to the Ukrainian military.
South African police hunt suspects after 27 killed in two separate shootings
South African police were on Sunday hunting the perpetrators of two separate shootings that killed 27 people within hours of each other, in stark reminders of the country's problem with gun violence.
Afghanistan says 28 fighters killed after crossing from Pakistan
Afghanistan's defence ministry said on Sunday its forces had killed 28 fighters and wounded 32 in the eastern province of Nuristan after a group it said included IS rebels crossed from Pakistan.
