Texas Severe Flood Warning | Effective 07/17/2026 06:20

Headline: 
Flood Warning issued July 17 at 8:20AM CDT until July 18 at 6:46PM CDT by NWS San Angelo TX
Event: 
Flood Warning
Urgency: 
Expected
Effective: 
July 17, 2026 - 6:20am
Expires: 
July 17, 2026 - 6:30pm
Description: 
...Forecast flooding changed from Minor to Moderate severity and increased in duration for the following rivers in Texas... Llano River Near Mason affecting Mason County. For the Llano River...including Junction, Mason...Moderate flooding is forecast. * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...Llano River near Mason. * WHEN...Until Saturday evening. * IMPACTS...At 24.0 feet, Moderate lowland flooding will occur. Secondary roads and low water crossings will be flooded and impassible. * ADDITIONAL DETAILS... - At 8:00 AM CDT Friday the stage was 20.7 feet. - Bankfull stage is 11.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 AM CDT Friday was 22.2 feet. - Forecast...The river will rise to 21.0 feet late this morning. It will then fall late this afternoon. It will rise to 25.7 feet this evening. It will then fall below flood stage tomorrow morning. - Flood stage is 18.0 feet. - Flood History...This crest compares to a previous crest of 25.2 feet on 12/31/1984. - http://www.weather.gov/safety/flood
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov. The next statement will be issued this evening at 830 PM CDT.
Area Description: 
Mason, TX
Forcast Office: 
NWS San Angelo TX