Weather forecasters are predicting an upper-level disturbance to approach Houston from the west and to cause some thunderstorms and heavy rainfall.

Abandoned vehicles littered submerged roads across South Texas’ Rio Grande Valley Thursday and Friday after over half year’s worth of rain - approaching a full year’s worth in some places - caused at least four deaths and forced dozens of water rescues near the US-Mexico border.

News footage from flooded communities showed multiple waterlogged cars abandoned on streets and drivers waiting on sidewalks sidewalks for the floodwaters to recede.

There’s a break from the rain this morning, which will allow flood waters to gradually recede, but we’ll still need to keep an eye on the development of isolated showers an

South Texas worked to dry out on Friday after severe thunderstorms a day earlier flooded streets, forced the closure of an airport and compelled dozens of water rescues as many drivers were forced to abandon their vehicles on roads and parking lots as some areas were inundated with more than a foot of rain.

More than half a foot of rainfall over South Texas swamped communities such as McAllen, where authorities warned residents to stay off the roadways until the flooding subsided.