National Weather Service United States Department of Commerce

Additional Heavy Rain and Flooding Concerns in Central Texas; Tropical Storm Chantal to Impact the Coastal Carolinas

Heavy rainfall and flooding concerns remain for today across Central Texas and the Hill Country, with scattered thunderstorms expected this afternoon and evening. Tropical Storm Chantal has formed and will bring heavy rainfall and flooding concerns to portions of the coastal Carolinas. Life-threatening surf and rip currents are expected from the Southeast to Mid-Atlantic. Read More >

Monthly Hydrologic Report

This report summarizes the hydrologic conditions for the previous month across the Austin/San Antonio Hydrologic Service Area. 

These reports are updated no later than the 15th of the following month. 

2025

May - Current Version

April

March

February

January


2024

December 

November 

October

September

August

July

June

May

April

March

February

January


2023

December

November

October

September

August

July

June

May

April

March

February

January


2022

December

November

October

September

August

July

June

May

April

March

February

January