Texas Severe Flood Warning | Effective 07/21/2026 06:57

Headline: 
Flood Warning issued July 21 at 8:57AM CDT until July 25 at 7:00AM CDT by NWS Austin/San Antonio TX
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
July 21, 2026 - 6:57am
Expires: 
July 22, 2026 - 1:00am
Description: 
...The Flood Warning is extended for the following rivers in Texas... Frio River Near Derby affecting Frio County. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Frio River near Derby. * WHEN...Until Saturday morning. * IMPACTS...At 10.0 feet, Lowland flooding below Concan to Choke Canyon Reservoir floods oil well pump jacks, irrigation pumps and any equipment in the lower flood plain near and above Derby. * ADDITIONAL DETAILS... - At 8:30 AM CDT Tuesday the stage was 8.7 feet. - Bankfull stage is 6.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 AM CDT Tuesday was 9.8 feet. - Forecast...The river is expected to fall below flood stage Friday evening and continue falling to 4.8 feet Sunday morning. - Flood stage is 6.0 feet. - Flood History...This crest compares to a previous crest of 9.0 feet on 09/24/2018. - http://www.weather.gov/safety/flood
Instruction: 
Caution is urged when walking near riverbanks. 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 late tonight by 300 AM CDT.
Area Description: 
Frio, TX
Forcast Office: 
NWS Austin/San Antonio TX