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Marathon, TX Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: Marathon, TX
Elevation: 5207ft
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Active Weather Alerts

River Flood Warning
Issued: 7:27 PM Oct. 15, 2026 – National Weather Service
...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



&&



River Flood Warning
Issued: 7:27 PM Oct. 15, 2026 – National Weather Service
...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



&&



River Flood Warning
Issued: 7:27 PM Oct. 15, 2026 – National Weather Service
...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



&&



Flood Watch
Issued: 6:48 PM Oct. 15, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY MORNING...

* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.

* WHERE...Portions of southwest and western Texas, including the
following areas, in southwest Texas, Central Brewster, Chinati
Mountains, Chisos Basin, Davis Mountains, Davis Mountains
Foothills, Lower Brewster County, Marfa Plateau, Pecos, Presidio
Valley and Terrell. In western Texas, Andrews, Borden, Crane,
Dawson, Ector, Gaines, Glasscock, Howard, Loving, Martin, Midland,
Mitchell, Reagan, Reeves County Plains, Scurry, Upton, Ward and
Winkler.

* WHEN...Through Friday morning.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded.

* ADDITIONAL DETAILS...
- Moisture from Hurricane Simon will stream over West Texas the
next several days. Periods of heavy rain are expected from this
system that will likely cause flash flooding, especially in urban
areas and low water crossings where drainage is poor.
- http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

Wind Advisory
Issued: 5:03 PM Oct. 15, 2026 – National Weather Service
...WIND ADVISORY REMAINS IN EFFECT FROM 7 PM MDT /8 PM CDT/ THIS
EVENING TO 6 PM MDT /7 PM CDT/ FRIDAY...

* WHAT...Northeast winds 30 to 40 mph with gusts up to 55 mph
expected.

* WHERE...Portions of southeast New Mexico and southwest Texas.

* WHEN...From 7 PM MDT /8 PM CDT/ this evening to 6 PM MDT /7 PM CDT/
Friday.

* IMPACTS...Gusty winds may blow around unsecured objects.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution and keep both hands on the
steering wheel.

Secure loose objects that could be damaged or blown away by strong
winds.

&&

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