Dangerous flooding is spreading across Central Texas on Tuesday as relentless rainfall overwhelms roads, with some areas seeing more than a foot of water covering major highways and rain totals climbing toward historic levels.

Texas Gov. Greg Abbott has issued a disaster declaration in 59 counties because of flooding. A Level 4 out of 4 flood threat exists in parts of Texas on Tuesday. Up to a foot of rain is possible in parts of the state by the end of the week.

Parts of southern Texas are at risk of “significant to locally catastrophic flash flooding” as slow-moving storms dump heavy rain on the region through Thursday.

Texas Gov. Greg Abbott is preparing for the latest round of wet weather in the Lone Star State this week. Abbott said Monday that Texas has activated emergency resources, including rescue boats and Black Hawk helicopters,

Severe weather will hit nearly 60 counties, with flash flood warnings in effect for parts of south-central Texas

Texas Gov. Greg Abbott issued a disaster declaration Tuesday for 59 counties as severe storms and flash flooding continue to threaten the state. He directed the Texas Division of Emergency Management to keep the State Emergency Operations Center running around the clock at an escalated response level.

With heavy rains in the forecast this week, Texas Gov. Abbott has activated several state resources to help aid communities. Here's what to know.

Days of storms will dump heavy rain over millions of people across parts of the South, Gulf Coast and Texas through Friday, bringing a mounting flood threat, particularly over Texas' Big Bend and Hill Country regions.