National Weather Service United States Department of Commerce

Tracking Severe Thunderstorms and Excessive Rainfall in the Southern U.S.; Winter Storm to Impact the Northern U.S.

A storm system will shift from eastern Texas into the lower Mississippi Valley Monday with additional threats of severe thunderstorms and heavy to excessive rainfall which may bring flooding. A Flood Watch remains in effect. In the northern U.S., a storm will bring heavy snow and gusty winds over parts of the northern Rockies, northern Plains, and Upper Midwest Monday into Wednesday. 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