Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Bookmark and Share Navigation Bar End Cap

  
 

Web Portal Changes:

Please visit https://www.weather.gov/owp/operations for more information.



Hydrograph River at a Glance Download
Rio Grande at Johnson Ranch Stage (ft)Flow (kcfs)Highest Observation: 2.52 ft at 8:30PM Mar 25, 2024Highest Observation: 2.52 ft at 8:45PM Mar 25, 2024Highest Observation: 2.52 ft at 9:00PM Mar 25, 2024Highest Observation: 2.52 ft at 9:15PM Mar 25, 2024Highest Observation: 2.52 ft at 9:30PM Mar 25, 2024Highest Observation: 2.52 ft at 9:45PM Mar 25, 2024Observed: 2.51 ft at 10:00PM Mar 25, 2024Highest Observation: 2.52 ft at 10:15PM Mar 25, 2024Observed: 2.51 ft at 10:30PM Mar 25, 2024Observed: 2.51 ft at 10:45PM Mar 25, 2024Observed: 2.51 ft at 11:00PM Mar 25, 2024Observed: 2.51 ft at 11:15PM Mar 25, 2024Observed: 2.51 ft at 11:30PM Mar 25, 2024Observed: 2.51 ft at 11:45PM Mar 25, 2024Observed: 2.51 ft at 12:00AM Mar 26, 2024Observed: 2.51 ft at 12:15AM Mar 26, 2024Observed: 2.51 ft at 12:30AM Mar 26, 2024Observed: 2.51 ft at 12:45AM Mar 26, 2024Observed: 2.51 ft at 1:00AM Mar 26, 2024Observed: 2.51 ft at 1:15AM Mar 26, 2024Observed: 2.51 ft at 1:30AM Mar 26, 2024Observed: 2.51 ft at 1:45AM Mar 26, 2024Observed: 2.51 ft at 2:00AM Mar 26, 2024Observed: 2.51 ft at 2:15AM Mar 26, 2024Observed: 2.51 ft at 2:30AM Mar 26, 2024Observed: 2.51 ft at 2:45AM Mar 26, 2024Observed: 2.51 ft at 3:00AM Mar 26, 2024Observed: 2.51 ft at 3:15AM Mar 26, 2024Observed: 2.51 ft at 3:30AM Mar 26, 2024Observed: 2.51 ft at 3:45AM Mar 26, 2024Observed: 2.51 ft at 4:00AM Mar 26, 2024Observed: 2.51 ft at 4:15AM Mar 26, 2024Observed: 2.51 ft at 4:30AM Mar 26, 2024Observed: 2.51 ft at 4:45AM Mar 26, 2024Observed: 2.51 ft at 5:00AM Mar 26, 2024Observed: 2.51 ft at 5:15AM Mar 26, 2024Observed: 2.51 ft at 5:30AM Mar 26, 2024Observed: 2.51 ft at 5:45AM Mar 26, 2024Observed: 2.51 ft at 6:00AM Mar 26, 2024Observed: 2.51 ft at 6:15AM Mar 26, 2024Observed: 2.51 ft at 6:30AM Mar 26, 2024Observed: 2.51 ft at 6:45AM Mar 26, 2024Observed: 2.51 ft at 7:00AM Mar 26, 2024Observed: 2.51 ft at 7:15AM Mar 26, 2024Observed: 2.51 ft at 7:30AM Mar 26, 2024Observed: 2.51 ft at 7:45AM Mar 26, 2024Observed: 2.51 ft at 8:00AM Mar 26, 2024Observed: 2.51 ft at 8:15AM Mar 26, 2024Observed: 2.51 ft at 8:30AM Mar 26, 2024Observed: 2.51 ft at 8:45AM Mar 26, 2024Observed: 2.51 ft at 9:00AM Mar 26, 2024Observed: 2.51 ft at 9:15AM Mar 26, 2024Observed: 2.51 ft at 9:30AM Mar 26, 2024Observed: 2.51 ft at 9:45AM Mar 26, 2024Observed: 2.51 ft at 10:00AM Mar 26, 2024Observed: 2.51 ft at 10:15AM Mar 26, 2024Observed: 2.51 ft at 10:30AM Mar 26, 2024Observed: 2.51 ft at 10:45AM Mar 26, 2024Observed: 2.51 ft at 11:00AM Mar 26, 2024Observed: 2.51 ft at 11:15AM Mar 26, 2024Observed: 2.5 ft at 11:30AM Mar 26, 2024Observed: 2.5 ft at 11:45AM Mar 26, 2024Observed: 2.5 ft at 12:00PM Mar 26, 2024Observed: 2.5 ft at 12:15PM Mar 26, 2024Observed: 2.5 ft at 12:30PM Mar 26, 2024Observed: 2.5 ft at 12:45PM Mar 26, 2024Observed: 2.49 ft at 1:00PM Mar 26, 2024Observed: 2.49 ft at 1:15PM Mar 26, 2024Observed: 2.49 ft at 1:30PM Mar 26, 2024Observed: 2.49 ft at 1:45PM Mar 26, 2024Observed: 2.49 ft at 2:00PM Mar 26, 2024Observed: 2.49 ft at 2:15PM Mar 26, 2024Observed: 2.49 ft at 2:30PM Mar 26, 2024Observed: 2.49 ft at 2:45PM Mar 26, 2024Observed: 2.49 ft at 3:00PM Mar 26, 2024Observed: 2.49 ft at 3:15PM Mar 26, 2024Observed: 2.48 ft at 3:30PM Mar 26, 2024Observed: 2.48 ft at 3:45PM Mar 26, 2024Observed: 2.48 ft at 4:00PM Mar 26, 2024Observed: 2.48 ft at 4:15PM Mar 26, 2024Observed: 2.48 ft at 4:30PM Mar 26, 2024Observed: 2.48 ft at 4:45PM Mar 26, 2024Observed: 2.48 ft at 5:00PM Mar 26, 2024Observed: 2.47 ft at 5:15PM Mar 26, 2024Observed: 2.47 ft at 5:30PM Mar 26, 2024Observed: 2.47 ft at 5:45PM Mar 26, 2024Observed: 2.47 ft at 6:00PM Mar 26, 2024Observed: 2.47 ft at 6:15PM Mar 26, 2024Observed: 2.47 ft at 6:30PM Mar 26, 2024Observed: 2.46 ft at 6:45PM Mar 26, 2024Observed: 2.46 ft at 7:00PM Mar 26, 2024Observed: 2.46 ft at 7:15PM Mar 26, 2024Observed: 2.46 ft at 7:30PM Mar 26, 2024Observed: 2.46 ft at 7:45PM Mar 26, 2024Observed: 2.46 ft at 8:00PM Mar 26, 2024Observed: 2.46 ft at 8:15PM Mar 26, 2024Observed: 2.46 ft at 8:30PM Mar 26, 2024Observed: 2.46 ft at 8:45PM Mar 26, 2024Observed: 2.46 ft at 9:00PM Mar 26, 2024Observed: 2.46 ft at 9:15PM Mar 26, 2024Observed: 2.46 ft at 9:30PM Mar 26, 2024Observed: 2.46 ft at 9:45PM Mar 26, 2024Observed: 2.46 ft at 10:00PM Mar 26, 2024Observed: 2.45 ft at 10:15PM Mar 26, 2024Observed: 2.45 ft at 10:30PM Mar 26, 2024Observed: 2.45 ft at 10:45PM Mar 26, 2024Observed: 2.45 ft at 11:00PM Mar 26, 2024Observed: 2.45 ft at 11:15PM Mar 26, 2024Observed: 2.45 ft at 11:30PM Mar 26, 2024Observed: 2.45 ft at 11:45PM Mar 26, 2024Observed: 2.45 ft at 12:00AM Mar 27, 2024Observed: 2.45 ft at 12:15AM Mar 27, 2024Observed: 2.45 ft at 12:30AM Mar 27, 2024Observed: 2.45 ft at 12:45AM Mar 27, 2024Observed: 2.45 ft at 1:00AM Mar 27, 2024Observed: 2.45 ft at 1:15AM Mar 27, 2024Observed: 2.45 ft at 1:30AM Mar 27, 2024Observed: 2.45 ft at 1:45AM Mar 27, 2024Observed: 2.45 ft at 2:00AM Mar 27, 2024Observed: 2.45 ft at 2:15AM Mar 27, 2024Observed: 2.45 ft at 2:30AM Mar 27, 2024Observed: 2.45 ft at 2:45AM Mar 27, 2024Observed: 2.44 ft at 3:00AM Mar 27, 2024Observed: 2.44 ft at 3:15AM Mar 27, 2024Observed: 2.44 ft at 3:30AM Mar 27, 2024Observed: 2.44 ft at 3:45AM Mar 27, 2024Observed: 2.44 ft at 4:00AM Mar 27, 2024Observed: 2.44 ft at 4:15AM Mar 27, 2024Observed: 2.44 ft at 4:30AM Mar 27, 2024Observed: 2.44 ft at 4:45AM Mar 27, 2024Observed: 2.44 ft at 5:00AM Mar 27, 2024Observed: 2.44 ft at 5:15AM Mar 27, 2024Observed: 2.44 ft at 5:30AM Mar 27, 2024Observed: 2.44 ft at 5:45AM Mar 27, 2024Observed: 2.44 ft at 6:00AM Mar 27, 2024Observed: 2.44 ft at 6:15AM Mar 27, 2024Observed: 2.44 ft at 6:30AM Mar 27, 2024Observed: 2.44 ft at 6:45AM Mar 27, 2024Observed: 2.44 ft at 7:00AM Mar 27, 2024Observed: 2.44 ft at 7:15AM Mar 27, 2024Observed: 2.44 ft at 7:30AM Mar 27, 2024Observed: 2.44 ft at 7:45AM Mar 27, 2024Observed: 2.44 ft at 8:00AM Mar 27, 2024Observed: 2.44 ft at 8:15AM Mar 27, 2024Observed: 2.44 ft at 8:30AM Mar 27, 2024Observed: 2.44 ft at 8:45AM Mar 27, 2024Observed: 2.44 ft at 9:00AM Mar 27, 2024Observed: 2.44 ft at 9:15AM Mar 27, 2024Observed: 2.44 ft at 9:30AM Mar 27, 2024Observed: 2.43 ft at 9:45AM Mar 27, 2024Observed: 2.44 ft at 10:00AM Mar 27, 2024Observed: 2.43 ft at 10:15AM Mar 27, 2024Observed: 2.43 ft at 10:30AM Mar 27, 2024Observed: 2.43 ft at 10:45AM Mar 27, 2024Observed: 2.43 ft at 11:00AM Mar 27, 2024Observed: 2.43 ft at 11:15AM Mar 27, 2024Observed: 2.43 ft at 11:30AM Mar 27, 2024Observed: 2.43 ft at 11:45AM Mar 27, 2024Observed: 2.43 ft at 12:00PM Mar 27, 2024Observed: 2.43 ft at 12:15PM Mar 27, 2024Observed: 2.43 ft at 12:30PM Mar 27, 2024Observed: 2.43 ft at 12:45PM Mar 27, 2024Observed: 2.43 ft at 1:00PM Mar 27, 2024Observed: 2.43 ft at 1:15PM Mar 27, 2024Observed: 2.43 ft at 1:30PM Mar 27, 2024Observed: 2.43 ft at 1:45PM Mar 27, 2024Observed: 2.43 ft at 2:00PM Mar 27, 2024Observed: 2.43 ft at 2:15PM Mar 27, 2024Observed: 2.43 ft at 2:30PM Mar 27, 2024Observed: 2.42 ft at 2:45PM Mar 27, 2024Observed: 2.42 ft at 3:00PM Mar 27, 2024Observed: 2.42 ft at 3:15PM Mar 27, 2024Observed: 2.42 ft at 3:30PM Mar 27, 2024Observed: 2.42 ft at 3:45PM Mar 27, 2024Observed: 2.42 ft at 4:00PM Mar 27, 2024Observed: 2.42 ft at 4:15PM Mar 27, 2024Observed: 2.42 ft at 4:30PM Mar 27, 2024Observed: 2.42 ft at 4:45PM Mar 27, 2024Observed: 2.41 ft at 5:00PM Mar 27, 2024Observed: 2.41 ft at 5:15PM Mar 27, 2024Observed: 2.41 ft at 5:30PM Mar 27, 2024Observed: 2.41 ft at 5:45PM Mar 27, 2024Observed: 2.41 ft at 6:00PM Mar 27, 2024Observed: 2.41 ft at 6:15PM Mar 27, 2024Observed: 2.4 ft at 6:30PM Mar 27, 2024Observed: 2.4 ft at 6:45PM Mar 27, 2024Observed: 2.4 ft at 7:00PM Mar 27, 2024Observed: 2.4 ft at 7:15PM Mar 27, 2024Observed: 2.4 ft at 7:30PM Mar 27, 2024Observed: 2.4 ft at 7:45PM Mar 27, 2024Observed: 2.4 ft at 8:00PM Mar 27, 2024Observed: 2.4 ft at 8:15PM Mar 27, 2024Observed: 2.4 ft at 8:30PM Mar 27, 2024Observed: 2.4 ft at 8:45PM Mar 27, 2024Observed: 2.4 ft at 9:00PM Mar 27, 2024Observed: 2.4 ft at 9:15PM Mar 27, 2024Observed: 2.4 ft at 9:30PM Mar 27, 2024Observed: 2.4 ft at 9:45PM Mar 27, 2024Observed: 2.4 ft at 10:00PM Mar 27, 2024Observed: 2.4 ft at 10:15PM Mar 27, 2024Observed: 2.4 ft at 10:30PM Mar 27, 2024Observed: 2.4 ft at 10:45PM Mar 27, 2024Observed: 2.4 ft at 11:00PM Mar 27, 2024Observed: 2.4 ft at 11:15PM Mar 27, 2024Observed: 2.4 ft at 11:30PM Mar 27, 2024Observed: 2.4 ft at 11:45PM Mar 27, 2024Observed: 2.4 ft at 12:00AM Mar 28, 2024Observed: 2.4 ft at 12:15AM Mar 28, 2024Observed: 2.4 ft at 12:30AM Mar 28, 2024Observed: 2.4 ft at 12:45AM Mar 28, 2024Observed: 2.4 ft at 1:00AM Mar 28, 2024Observed: 2.39 ft at 1:15AM Mar 28, 2024Observed: 2.39 ft at 1:30AM Mar 28, 2024Observed: 2.39 ft at 1:45AM Mar 28, 2024Observed: 2.39 ft at 2:00AM Mar 28, 2024Observed: 2.39 ft at 2:15AM Mar 28, 2024Observed: 2.39 ft at 2:30AM Mar 28, 2024Observed: 2.39 ft at 2:45AM Mar 28, 2024Observed: 2.39 ft at 3:00AM Mar 28, 2024Observed: 2.39 ft at 3:15AM Mar 28, 2024Observed: 2.39 ft at 3:30AM Mar 28, 2024Observed: 2.39 ft at 3:45AM Mar 28, 2024Observed: 2.39 ft at 4:00AM Mar 28, 2024Observed: 2.39 ft at 4:15AM Mar 28, 2024Observed: 2.39 ft at 4:30AM Mar 28, 2024Observed: 2.39 ft at 4:45AM Mar 28, 2024Observed: 2.39 ft at 5:00AM Mar 28, 2024Observed: 2.39 ft at 5:15AM Mar 28, 2024Observed: 2.39 ft at 5:30AM Mar 28, 2024Observed: 2.39 ft at 5:45AM Mar 28, 2024Observed: 2.39 ft at 6:00AM Mar 28, 2024Observed: 2.39 ft at 6:15AM Mar 28, 2024Observed: 2.39 ft at 6:30AM Mar 28, 2024Observed: 2.39 ft at 6:45AM Mar 28, 2024Observed: 2.39 ft at 7:00AM Mar 28, 2024Observed: 2.39 ft at 7:15AM Mar 28, 2024Observed: 2.39 ft at 7:30AM Mar 28, 2024Observed: 2.39 ft at 7:45AM Mar 28, 2024Observed: 2.39 ft at 8:00AM Mar 28, 2024Observed: 2.39 ft at 8:15AM Mar 28, 2024Observed: 2.38 ft at 8:30AM Mar 28, 2024Observed: 2.38 ft at 8:45AM Mar 28, 2024Observed: 2.38 ft at 9:00AM Mar 28, 2024Observed: 2.38 ft at 9:15AM Mar 28, 2024Observed: 2.38 ft at 9:30AM Mar 28, 2024Observed: 2.38 ft at 9:45AM Mar 28, 2024Observed: 2.38 ft at 10:00AM Mar 28, 2024Observed: 2.38 ft at 10:15AM Mar 28, 2024Observed: 2.38 ft at 10:30AM Mar 28, 2024Observed: 2.38 ft at 10:45AM Mar 28, 2024Observed: 2.38 ft at 11:00AM Mar 28, 2024Observed: 2.38 ft at 11:15AM Mar 28, 2024Observed: 2.38 ft at 11:30AM Mar 28, 2024Observed: 2.38 ft at 11:45AM Mar 28, 2024Observed: 2.38 ft at 12:00PM Mar 28, 2024Observed: 2.38 ft at 12:15PM Mar 28, 2024Observed: 2.38 ft at 12:30PM Mar 28, 2024Observed: 2.38 ft at 12:45PM Mar 28, 2024Observed: 2.38 ft at 1:00PM Mar 28, 2024Observed: 2.38 ft at 1:15PM Mar 28, 2024Observed: 2.38 ft at 1:30PM Mar 28, 2024Observed: 2.38 ft at 1:45PM Mar 28, 2024Observed: 2.38 ft at 2:00PM Mar 28, 2024Observed: 2.38 ft at 2:15PM Mar 28, 2024Observed: 2.38 ft at 2:30PM Mar 28, 2024Observed: 2.38 ft at 2:45PM Mar 28, 2024Observed: 2.38 ft at 3:00PM Mar 28, 2024Observed: 2.38 ft at 3:15PM Mar 28, 2024Observed: 2.37 ft at 3:30PM Mar 28, 2024Observed: 2.37 ft at 3:45PM Mar 28, 2024Observed: 2.37 ft at 4:00PM Mar 28, 2024Observed: 2.37 ft at 4:15PM Mar 28, 2024Observed: 2.37 ft at 4:30PM Mar 28, 2024Observed: 2.37 ft at 4:45PM Mar 28, 2024Observed: 2.37 ft at 5:00PM Mar 28, 2024Observed: 2.37 ft at 5:15PM Mar 28, 2024Observed: 2.36 ft at 5:30PM Mar 28, 2024Observed: 2.36 ft at 5:45PM Mar 28, 2024Observed: 2.36 ft at 6:00PM Mar 28, 2024Observed: 2.36 ft at 6:15PM Mar 28, 2024Observed: 2.36 ft at 6:30PM Mar 28, 2024Observed: 2.36 ft at 6:45PM Mar 28, 2024Observed: 2.36 ft at 7:00PM Mar 28, 2024Observed: 2.35 ft at 7:15PM Mar 28, 2024IBWC-International Boundary and Water CommissionTELT2(plotting HGIRG) Graph Created (8:15PM Mar 28, 2024)ObservedLatest observed value: 2.35 ft at 7:15 PM CDT 28-Mar-2024. Flood Stage is 15 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 12 hours into the future from the forecast issuance time.

Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions

NOTE: Forecasts for the Rio Grande at Johnson Ranch are issued as needed during times of high water, but are not routinely available.

Return to Area Map
Upstream Locations Upstream Gauge Downstream Gauge Downstream Locations
Flood Categories (in feet)
Major Flood Stage: 19
Moderate Flood Stage: 17
Flood Stage: 15
Action Stage: 12
Low Stage (in feet): -9999

Historic Crests
(1) 28.40 ft on 09/30/1978
(2) 27.27 ft on 09/20/2008
(3) 26.38 ft on 10/03/1990
(4) 24.70 ft on 09/27/1958
(5) 24.60 ft on 10/03/1932
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 15.03 ft on 09/19/2022
(2) 16.17 ft on 09/16/2022
(3) 15.74 ft on 09/03/2022
(4) 17.13 ft on 09/01/2022
(5) 22.00 ft on 06/03/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.00 ft on 01/01/1963

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
28.4 the river reaches record stage (1978). Major flooding begins upstream in Cottonwood Campground at Castolon. Most park roads near the river flood.
19 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.
15 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.
12 the river reaches bankfull, minor lowland flooding occurs, and no significant damage is expected.
Photos
(1) Looking upstream
(2) Gage house
(3) Gage house & staff gage
(4) Gage house
(5) Gage house
(6) Looking downstream
About This Location Collapse

Latitude: 29.035000° N, Longitude: 103.390833° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 15 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 2045.3084 ft 2060.3084 ft  
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Midland/Odessa Weather Forecast Office
2500 Challenger Drive
Midland, TX 79706
(432) 563-5006
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:29 PM
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities