Alex Sosnowski Tue, June 16, 2026 at 2:25 PM UTC 3 min read Add Yahoo as a preferred source to see more of our stories on Google. AccuWeather.com A mass of showers and thunderstorms that has been sprawled across Texas and northern Mexico in recent days is consolidating over South Texas on Tuesday into a tropical rainstorm. Life-threatening flooding, property damage and disruptions to commerce and travel may unfold as inches of rain pour down, regardless of official designation.