A major storm will develop over Texas and the lower Mississippi Valley latethis weekend into early next week. A southward shift in the jet stream willallow cooler air to pour southward over the Plains. The storm will beginbrewing as this air collides with the warmer air currently in place and tapsinto moisture from the Gulf of Mexico.This could turn out to be a big rain producer in Texas, just in time to maketrouble for travelers heading home as the holiday weekend comes to a close.

Violent thunderstorms could also erupt from eastern Texas through southernAlabama Sunday through Monday as the system barges through.

Story by AccuWeather.com Meteorologist Katie Storbeck.