Flood Warning
Flood Statement
National Weather Service Austin/San Antonio TX
237 PM CDT Mon Jul 20 2026
...The Flood Warning continues for the following rivers in Texas...
Frio River Near Derby affecting Frio County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Flooding is occurring or is imminent. Most flood related deaths
occur in automobiles. Do not attempt to cross water covered bridges,
dips, or low water crossings. Never try to cross a flowing stream,
even a small one, on foot. To escape rising water find another route
over higher ground.
Additional information is available at www.weather.gov.
The next statement will be issued Tuesday morning by 845 AM CDT.
&&
TXC163-211345-
/O.EXT.KEWX.FL.W.0020.000000T0000Z-260721T2336Z/
/DBYT2.3.ER.260716T1454Z.260718T1530Z.260721T1136Z.NO/
237 PM CDT Mon Jul 20 2026
...FLOOD WARNING NOW IN EFFECT UNTIL TOMORROW EVENING...
* WHAT...Moderate flooding is occurring and moderate flooding is
forecast.
* WHERE...Frio River near Derby.
* WHEN...Until tomorrow evening.
* 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 1:30 PM CDT Monday the stage was 10.8 feet.
- Bankfull stage is 6.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 1:30 PM CDT Monday was 13.0 feet.
- Forecast...The river is expected to fall below flood stage
tomorrow morning and continue falling to 0.4 feet early
Saturday afternoon.
- Flood stage is 6.0 feet.
- Flood History...This crest compares to a previous crest of
11.0 feet on 07/18/1990.
- http://www.weather.gov/safety/flood
&&
Fld Observed Forecasts (1 pm CDT)
Location Stg Stg Day/Time Tue Wed Thu
Frio River
Derby 6.0 10.8 Mon 1 pm CDT 4.5 0.4 0.4
&&
LAT...LON 2873 9920 2876 9912 2864 9902 2864 9910
$$
Garcia
