Rescue workers and residents dealing with devastating flooding in East Texas are getting a badly needed break in the weather Saturday, but another round of heavy rain looms for Sunday.

Heavy storms slammed the Houston area again Friday, widening already dangerous flooding in Texas and leading to numerous high-water rescues, including some from the rooftops of flooded homes. Officials redoubled urgent instructions for residents in low-lying areas to evacuate,

Torrential rain is inundating southeastern Texas, forcing schools to cancel classes and closing numerous highways around Houston

Crews that converged in flood-ravaged parts of the Houston area have rescued more than 600 people since the heavy rainfall and flooding started earlier this week, according to reports from individual counties.

For weeks, drenching rains in Texas and parts of Louisiana have filled reservoirs and saturated the ground. Floodwaters partially submerged cars and roads this week across parts of southeastern

The Harris County judge said people were on rooftops. The storms were expected to continue to have an impact this weekend with more rain in the forecast.

Up to a million people across Texas are impacted by severe storms with heavy rain, leaving behind catastrophic flooding. NBC’s Kathy Park reports and TODAY's Dylan Dreyer tracks the latest forecast.