A round of heavy rain aiming for the south-central United States will bring some much-needed rain to the region through the end of the week, but it can also be too much of a good thing, AccuWeather meteorologists warn. The downpours will impact over a half-dozen states from Thursday through Friday night. The heaviest rain will fall over the areas that need it the most, from southern and eastern Texas into portions of Louisiana, where severe drought conditions are present. The wet weather will re