Traffic on Interstate 30 at Collins Street was shut down in both directions at 10 p.m. Monday because high water blocked the roadway, authorities in Arlington reported. At 9 p.m., it had been down to just one lane each way.
Several cities received reports of drivers stranded in high water, authorities said.
Fort Worth police had responded to 20 traffic accident between 6:30 and 8:30 p.m., according to police records.
A flash flood warning has been issued for Tarrant County and southern Denton County.
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At 7:30 p.m., a line of thunderstorms with heavy rain extended from five miles northeast of Celina to three miles southwest of Benbrook, according to the National Weather Service.
The storms were moving southeast at 20 miles per hour. One to 2 inches of rain had already fallen in some areas, and at least 2 more inches are possible.
Grapevine, Hurst, Bedford and Euless are among the areas that will continue to see heavy rain. The flood watch ends at 10:30 p.m., the weather service reported.
Earlier Monday, tornado warnings popped to the west and southwest of Fort Worth.
A tornado warning for northwestern Hood County issued by the National Weather Service expired at 4:15 p.m. with no tornadoes spotted on the ground. The warning was issued when the storm was spotted southwest of Lipan moving to the northeast.
As the storm moved into southern Parker County, a severe thunderstorm warning was issued and expired.
Earlier, a tornado warning had been issued for western Parker County but expired at 3:45 p.m., also with no tornadoes spotted on the ground.
Dunn said at 3:30 p.m. that the Parker County storm approached Weatherford from the southwest, but that it was weakening.
Weather service forecasters say there could be fierce storms through the rest of the evening, including large hail and damaging winds.
Tornadoes are possible in Central and East Texas, the forecasters said.
"A lot of this has to do with timing," said Eric Martello, a weather service meteorologist in Fort Worth.
He explained that a portion of an upper-level disturbance over the Great Plains was expected to reach North Texas late this afternoon.
"OK, that's what's upstairs," he said. "Downstairs we have a warm front from the Gulf of Mexico that will move north during the day.
Scattered thunderstorms were expected when the two weather systems meet over North Texas.
Large hail will be the primary threat, the weather service reported, although damaging winds may result from the unstable air associated with the warm front.
Tornadic super cells will be possible in Central and East Texas from late this afternoon into the evening hours, according to weather service forecasters.
Heavy rain is also expected with a 90 percent chance of precipitation, they said.
The severe weather will probably taper off before midnight in North Texas, leaving only a 20 percent chance of precipitation on Tuesday, the weather service said.
Officials with the American Red Cross in Fort Worth urged residents to review the precautions they normally follow during the spring-and-summer severe weather season.
"While November is not traditionally a severe weather month in Texas, it’s important to remember that tornadoes, hail, lightning and damaging winds can and do happen year-round," said Anita Foster, Red Cross spokeswoman.
Therefore, Foster urged residents to pick a safe room in the house to ride out the storms.
"An interior hallway or room on the lowest floor is the best choice," she said. "Putting as many walls as you can between you and the outside will provide additional protection.
"Also make sure there are no windows or glass doors in your safe place and keep this place uncluttered."
The Red Cross also recommended that people have emergency kits with flashlights, radios and extra batteries. Family members should develop ways to communicate with each other if storm disrupts electricity and telephone services.
For more information go to http://chisholmtrail.redcross.org/
-- Kate Gorman contributed to this story.