The immediate forecast highlights a significant risk of flash flooding for cities such as Dallas, Austin, and San Antonio, particularly on Thursday. The heavy precipitation is not expected to abate quickly, with the Midwest region bracing for continued downpours through Friday. Experts predict that the cumulative rainfall by the end of the week could reach an astonishing 70 trillion gallons. This extensive and persistent rainfall is occurring in areas that have already experienced disruptive weather, including tornadoes, localized flash flooding, and steadily rising river levels across parts of the Central U.S.