National Weather Service United States Department of Commerce

Wind and Rain in the Northeast; Atmospheric River to Impact the West

A cold front will cross the Great Lakes and Northeast U.S. through today with gusty winds and areas of rain showers. A strong atmospheric river is then expected to move into the Northwest by midweek bringing a threat for moderate to heavy rainfall and flooding, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. 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