Sent: Monday, October 26, 2026 1:33 PM
To: River Warning Email Subscriber <SR-MAF.Admin@noaa.gov>
Subject: [EXTERNAL] FLW-CSTT2 Issued 133 PM CDT
This email has been received from outside of DOI – Use caution before clicking on links, opening attachments, or responding.
…FLOOD WARNING IN EFFECT FROM THIS AFTERNOON TO LATE TUESDAY
NIGHT…
* WHAT…Minor flooding is occurring.
* WHERE…Rio Grande at Rio Grande near Castolon, Texas.
* WHEN…From this afternoon to late Tuesday night.
* IMPACTS…At 13.0 feet, the river reaches bankfull, and no
significant damage is expected. At 15.0 feet, the river reaches
minor flood stage, and lowland flooding begins. The river begins
to flood the road between Santa Elena Canyon and Cottonwood
Campground in Big Bend National Park. The river begins to flood
the parking lot at Santa Elena Canyon, and cut off the nature trail
into the canyon. Campers in Cottonwood Campground need to prepare
for possible evacuations.
* ADDITIONAL DETAILS…
– At 1:15 PM CDT Monday the stage was 15.1 feet (4.6 meters).
– Bankfull stage is 13.0 feet (4.0 meters).
– Recent Activity…The maximum river stage in the 24 hours ending
at 1:15 PM CDT Monday was 15.2 feet (4.6 meters).
– Forecast…The river will fall below flood stage this afternoon
to 9.5 feet (2.9 meters) late this evening. It will then rise to
11.3 feet (3.4 meters) late tonight. It will fall to 2.6 feet
(0.8 meters) Friday afternoon then rise again.
– Flood stage is 15.0 feet (4.6 meters).
– Flood History…This crest compares to a previous crest of 15.1
feet (4.6 meters) on 09/04/2022.
– https://gcc02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.weather.gov%2Fsafety%2Fflood&data=05%7C02%7Cbibe_communications_center%40nps.gov%7Ca34b53456b7546e47ca208df338fa4df%7C0693b5ba4b184d7b9341f32f400a5494%7C0%7C0%7C639286364303911727%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=pJemGCpqgBrmeiGGTslpXzPDYLCbB6osxSs2ovQHh30%3D&reserved=0
&&
Below are the latest river stages and forecasts (feet):
All Times CDT Fld Observed Mon Tue Tue Tue
Location Stg Stg Day/Time 7pm 1am 7am 1pm
Rio Grande
Rio Grande near Cast 15.0 15.1 Mon 1pm 10.0 11.0 10.1 6.9
Below are the latest river stages and forecasts (meters):
All Times CDT Fld Observed Mon Tue Tue Tue
Location Stg Stg Day/Time 7pm 1am 7am 1pm
Rio Grande
Rio Grande near Cast 4.6 4.6 Mon 1pm 3.0 3.4 3.1 2.1
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