872
WGUS44 KMAF 151926
FLWMAF
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
226 PM CDT THU OCT 15 2026
...THE NATIONAL WEATHER SERVICE IN MIDLAND/ODESSA HAS ISSUED A FLOOD
WARNING FOR THE FOLLOWING RIVERS IN TEXAS...
RIO GRANDE AT RIO GRANDE AT RIO GRANDE VILLAGE, BBNP, TEXAS
AFFECTING BREWSTER COUNTY.
RIO GRANDE AT RIO GRANDE AT JOHNSON RANCH NEAR CASTOLON, TEXAS
AFFECTING BREWSTER COUNTY.
RIO GRANDE AT RIO GRANDE NEAR CASTOLON, TEXAS AFFECTING BREWSTER
COUNTY.
FOR THE RIO GRANDE...INCLUDING THE RIO GRANDE NEAR CASTOLON, RIO
GRANDE AT JOHNSON RANCH, AND RIO GRANDE AT RIO GRANDE VILLAGE...MINOR
TO MODERATE FLOODING IS FORECAST.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
CAUTION IS URGED WHEN WALKING NEAR RIVERBANKS.
PLEASE REPORT OBSERVED FLOODING TO LOCAL EMERGENCY SERVICES OR LAW
ENFORCEMENT AND REQUEST THEY PASS THIS INFORMATION TO THE NATIONAL
WEATHER SERVICE WHEN YOU CAN DO SO SAFELY.
ADDITIONAL INFORMATION IS AVAILABLE AT WWW.WEATHER.GOV.
THE NEXT STATEMENT WILL BE ISSUED FRIDAY AFTERNOON AT 230 PM CDT.
TXC043-161930-
/O.NEW.KMAF.FL.W.0007.261016T0849Z-261019T1600Z/
/BOQT2.2.ER.261016T0849Z.261016T1800Z.261018T0400Z.NO/
226 PM CDT THU OCT 15 2026
..FLOOD WARNING IN EFFECT FROM LATE TONIGHT TO MONDAY MORNING
* WHAT...MODERATE FLOODING IS FORECAST.
* WHERE...RIO GRANDE AT RIO GRANDE AT RIO GRANDE VILLAGE, BBNP,
TEXAS.
* WHEN...FROM LATE TONIGHT TO MONDAY MORNING.
* IMPACTS...AT 12.0 FEET, THE RIVER REACHES BANKFULL, AND NO DAMAGE
IS EXPECTED. PREPARATIONS MAY BE NECESSARY TO REMOVE WATER PUMPS.
THE PARK SHOULD BE NOTIFIED AT THIS TIME IF ADDITIONAL RISES ARE
EXPECTED SO THEY WILL HAVE TIME TO REMOVE THE PUMPS. AT 13.0 FEET,
THE RIVER REACHES MINOR FLOOD STAGE. WATER REACHES THE WATER PUMPS
MAINTAINED BY THE PARK SERVICE THAT ARE USED TO WATER THE
CAMPGROUNDS AND TO PROVIDE WATER TO THE EMPLOYEE LIVING QUARTERS.
IT MAY BE NECESSARY FOR PARK PERSONNEL TO REMOVE THE PUMPS. AT 15.0
FEET, THE RIVER REACHES MODERATE FLOOD STAGE. WATER PUMPS
SUBMERGE. AT 19.0 FEET, THE RIVER REACHES THE BOTTOM OF TELEMETRY
BOX NEAR THE PUMP HOUSE. AT 20.0 FEET, THE RIVER REACHES MAJOR
FLOOD STAGE. RIO GRANDE VILLAGE CAMPGROUND BEGINS TO FLOOD.
EVACUATIONS MAY BE NECESSARY. THE RAIN GAUGE NEAR PUMP HOUSE WILL
BE AFFECTED.
* ADDITIONAL DETAILS...
- AT 2:00 PM CDT THURSDAY THE STAGE WAS 1.5 FEET (0.5 METERS).
- BANKFULL STAGE IS 12.0 FEET (3.7 METERS).
- FORECAST...THE RIVER WILL RISE ABOVE FLOOD STAGE LATE TONIGHT TO
19.9 FEET (6.1 METERS) EARLY TOMORROW AFTERNOON. IT WILL THEN
FALL EARLY SATURDAY MORNING. IT WILL RISE TO 14.4 FEET (4.4
METERS) EARLY SATURDAY AFTERNOON. IT WILL THEN FALL BELOW FLOOD
STAGE LATE SATURDAY EVENING.
- FLOOD STAGE IS 13.0 FEET (4.0 METERS).
- FLOOD HISTORY...THIS CREST COMPARES TO A PREVIOUS CREST OF 21.0
FEET (6.4 METERS) ON 07/03/2025.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
BELOW ARE THE LATEST RIVER STAGES AND FORECASTS (FEET):
ALL TIMES CDT FLD OBSERVED THU FRI FRI FRI
LOCATION STG STG DAY/TIME 7PM 1AM 7AM 1PM
RIO GRANDE
RIO GRANDE AT RIO GR 13.0 1.5 THU 2PM 3.6 8.2 17.4 19.9
BELOW ARE THE LATEST RIVER STAGES AND FORECASTS (METERS):
ALL TIMES CDT FLD OBSERVED THU FRI FRI FRI
LOCATION STG STG DAY/TIME 7PM 1AM 7AM 1PM
RIO GRANDE
RIO GRANDE AT RIO GR 4.0 0.4 THU 2PM 1.1 2.5 5.3 6.1
LAT...LON 2896 10305 2915 10312 2940 10294 2986 10268
2986 10247 2969 10238 2965 10263 2931 10279
2912 10292
TXC043-161930-
/O.NEW.KMAF.FL.W.0008.261016T1032Z-261018T2000Z/
/TELT2.2.ER.261016T1032Z.261016T1500Z.261018T0730Z.NO/
226 PM CDT THU OCT 15 2026
..FLOOD WARNING IN EFFECT FROM LATE TONIGHT TO SUNDAY AFTERNOON
* WHAT...MODERATE FLOODING IS FORECAST.
* WHERE...RIO GRANDE AT RIO GRANDE AT JOHNSON RANCH NEAR CASTOLON,
TEXAS.
* WHEN...FROM LATE TONIGHT TO SUNDAY AFTERNOON.
* IMPACTS...AT 12.0 FEET, THE RIVER REACHES BANKFULL, MINOR LOWLAND
FLOODING OCCURS, AND NO SIGNIFICANT DAMAGE IS EXPECTED. AT 15.0
FEET, FLOOD STAGE IS REACHED. MODERATE LOWLAND FLOODING BEGINS.
ROADS THAT LEAD TO COTTONWOOD CAMPGROUND AND RIVER ROAD MAY FLOOD.
STAGES ARE PRACTICALLY SYNONYMOUS WITH THE GAGE AT COTTONWOOD
CAMPGROUND AT CASTOLON (CSTT2), AND THEREFORE REPRESENT THE REACH
FROM SANTA ELENA CANYON THROUGH COTTONWOOD CAMPGROUND, WHERE DAMAGE
MAY OCCUR. CATTLE ALSO GRAZE IN THE LOWLANDS, AND MAY BE
THREATENED. AT 19.0 FEET, THE RIVER REACHES MAJOR FLOOD STAGE.
FLOODING BEGINS TO OCCUR UPSTREAM IN COTTONWOOD CAMPGROUND AT
CASTOLON, AS STAGES AT EACH LOCATION ARE PRACTICALLY SYNONYMOUS.
MODERATE LOWLAND FLOODING BEGINS AT THE GAGE SITE, BUT NO DAMAGE
OCCURS. THE GAGE IS INACCESSIBLE, AS RIVER ROAD IS IMPASSABLE AT
SEVERAL LOCATIONS.
* ADDITIONAL DETAILS...
- AT 2:15 PM CDT THURSDAY THE STAGE WAS 10.8 FEET (3.3 METERS).
- BANKFULL STAGE IS 12.0 FEET (3.7 METERS).
- FORECAST...THE RIVER WILL FALL TO 8.9 FEET (2.7 METERS) THIS
EVENING. IT WILL THEN RISE ABOVE FLOOD STAGE LATE TONIGHT TO 18.1
FEET (5.5 METERS) LATE TOMORROW MORNING. IT WILL FALL BELOW FLOOD
STAGE EARLY TOMORROW AFTERNOON TO 13.8 FEET (4.2 METERS) TOMORROW
EVENING. IT WILL THEN RISE ABOVE FLOOD STAGE AGAIN LATE TOMORROW
EVENING TO 17.6 FEET (5.4 METERS) LATE SATURDAY MORNING. IT WILL
FALL BELOW FLOOD STAGE AGAIN EARLY SUNDAY MORNING.
- FLOOD STAGE IS 15.0 FEET (4.6 METERS).
- FLOOD HISTORY...THIS CREST COMPARES TO A PREVIOUS CREST OF 18.0
FEET (5.5 METERS) ON 07/02/2025.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
BELOW ARE THE LATEST RIVER STAGES AND FORECASTS (FEET):
ALL TIMES CDT FLD OBSERVED THU FRI FRI FRI
LOCATION STG STG DAY/TIME 7PM 1AM 7AM 1PM
RIO GRANDE
RIO GRANDE AT JOHNSO 15.0 10.8 THU 2PM 8.9 10.4 16.7 15.9
BELOW ARE THE LATEST RIVER STAGES AND FORECASTS (METERS):
ALL TIMES CDT FLD OBSERVED THU FRI FRI FRI
LOCATION STG STG DAY/TIME 7PM 1AM 7AM 1PM
RIO GRANDE
RIO GRANDE AT JOHNSO 4.6 3.3 THU 2PM 2.7 3.2 5.1 4.8
LAT...LON 2900 10349 2912 10340 2915 10312 2896 10305
2895 10338
TXC043-161930-
/O.NEW.KMAF.FL.W.0009.261016T2145Z-261018T2300Z/
/CSTT2.1.ER.261016T2145Z.261017T0300Z.261017T1124Z.NO/
226 PM CDT THU OCT 15 2026
..FLOOD WARNING IN EFFECT FROM FRIDAY AFTERNOON TO SUNDAY EVENING
* WHAT...MINOR FLOODING IS FORECAST.
* WHERE...RIO GRANDE AT RIO GRANDE NEAR CASTOLON, TEXAS.
* WHEN...FROM FRIDAY AFTERNOON TO SUNDAY EVENING.
* 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 THURSDAY THE STAGE WAS 7.2 FEET (2.2 METERS).
- BANKFULL STAGE IS 13.0 FEET (4.0 METERS).
- FORECAST...THE RIVER IS EXPECTED TO RISE ABOVE FLOOD STAGE
TOMORROW AFTERNOON TO A CREST OF 16.0 FEET (4.9 METERS) LATE
TOMORROW EVENING. IT WILL THEN FALL BELOW FLOOD STAGE SATURDAY
MORNING.
- FLOOD STAGE IS 15.0 FEET (4.6 METERS).
- FLOOD HISTORY...THIS CREST COMPARES TO A PREVIOUS CREST OF 16.0
FEET (4.9 METERS) ON 10/13/2012.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
BELOW ARE THE LATEST RIVER STAGES AND FORECASTS (FEET):
ALL TIMES CDT FLD OBSERVED THU FRI FRI FRI
LOCATION STG STG DAY/TIME 7PM 1AM 7AM 1PM
RIO GRANDE
RIO GRANDE NEAR CAST 15.0 7.2 THU 1PM 5.8 5.6 6.8 12.0
BELOW ARE THE LATEST RIVER STAGES AND FORECASTS (METERS):
ALL TIMES CDT FLD OBSERVED THU FRI FRI FRI
LOCATION STG STG DAY/TIME 7PM 1AM 7AM 1PM
RIO GRANDE
RIO GRANDE NEAR CAST 4.6 2.2 THU 1PM 1.8 1.7 2.1 3.7
LAT...LON 2909 10366 2923 10358 2920 10349 2912 10340
2900 10349
44
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