Texas Flood Watch | Effective 05/20/2026 09:30
* WHAT...Flooding caused by excessive rainfall is possible.
* WHERE...All of South Texas
* WHEN...From late tonight through Monday evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,<br />
creeks, streams, and other low-lying and flood-prone locations.<br />
Creeks and streams may rise out of their banks. Flooding may occur<br />
in poor drainage and urban areas.
* ADDITIONAL DETAILS...<br />
- Due to recent rainfall, the 3 hour flash flood guidance has<br />
fallen below 2.5" for much of the eastern half of South Texas<br />