A flash flood warning is in effect until 3 a.m. Thursday for the following southeast Texas counties:
- Austin
- Brazos
- Burleson
- Grimes
- Houston
- Madison
- Montgomery
- Trinity
- Walker
- Washington
A flash flood warning is in effect until 2:30 a.m. Thursday for San Jacinto and Polk counties in southeast Texas.
A flash flood watch is in effect until 7 a.m. Thursday for the following southeast Texas counties:
- Brazoria
- Chambers
- Fort Bend
- Galveston
- Harris
- Liberty
- Matagorda
- Wharton
A flash flood watch is in effect until 4 a.m. Thursday for the following southeast Texas counties:
- Austin
- Brazos
- Burleson
- Colorado
- Grimes
- Houston
- Madison
- Montgomery
- Polk
- San Jacinto
- Trinity
- Walker
- Waller
- Washington
A flash flood watch means that conditions may develop that lead to very dangerous flash flooding.