The National Weather Service issued a Flood Watch for Oklahoma and northern Texas, warning of potential flooding due to heavy rainfall and thunderstorms.

Large hail and damaging wind gusts are possible as the latest severe weather threat brings a tornado risk to Oklahoma on Sunday.

Memorial Day weekend plans from the Plains to the Southeast were put in jeopardy on Sunday as a slow-moving storm system pummeled communities with massive hail, damaging wind gusts and even some

The Broken Arrow Police Department has responded to several areas of flash flooding including: The Owasso Police Department has closed multiple roads due to high water levels including: Police remind citizens to find alternate routes and never drive into water covering the roadway.

Oklahoma City faces overcast skies, 64°F, with a 40% likelihood of showers and possible thunderstorms, amid a regional Flood Watch.

Parts of the country will see severe thunderstorms and flash flooding Sunday into Monday, impacting Memorial Day travel and plans.

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The ominous weather comes as a record-breaking number of Americans were predicted to travel over the holiday weekend.

Severe weather and flash floods have caused highway closures across Oklahoma.According to the Oklahoma Department of Transportation (ODOT), the following roads

Strong tornadoes, large hail, damaging winds and flooding rain are all possible from Monday into Tuesday as storm tracks across central states.

A flood watch is in effect through Monday, with forecasters concerned about the potential for flash flooding during Oklahomans' holiday activities.