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 Home News Organization
Bookmark and Share Navigation Bar End Cap

  

National Conditions
    Rivers
    Satellite
    Climate
    Observed Precip

Local Conditions
    Warnings
    Weather Forecast
    Radar

AHPS Documentation
    User Guide
    User Brochure

What is AHPS?
    Facts
    Our Partners

Feedback/Questions
     Provide Feedback
    Ask Questions

When flooded turn around don't drown
FloodSmart
USA.gov Official Web Portal
 
Hydrograph River at a Glance Download Inundation
Mapping
Colorado River (TX) near Smithville Stage (ft)Flow (cfs)Observed: 1.13 ft at 5:00AM Nov 28, 2020Observed: 1.13 ft at 6:00AM Nov 28, 2020Observed: 1.15 ft at 7:00AM Nov 28, 2020Observed: 1.14 ft at 8:00AM Nov 28, 2020Observed: 1.15 ft at 9:00AM Nov 28, 2020Observed: 1.16 ft at 10:00AM Nov 28, 2020Observed: 1.17 ft at 11:00AM Nov 28, 2020Observed: 1.17 ft at 12:00PM Nov 28, 2020Observed: 1.18 ft at 1:00PM Nov 28, 2020Observed: 1.17 ft at 2:00PM Nov 28, 2020Observed: 1.18 ft at 3:00PM Nov 28, 2020Observed: 1.18 ft at 4:00PM Nov 28, 2020Observed: 1.19 ft at 5:00PM Nov 28, 2020Observed: 1.19 ft at 6:00PM Nov 28, 2020Observed: 1.19 ft at 7:00PM Nov 28, 2020Observed: 1.19 ft at 8:00PM Nov 28, 2020Observed: 1.19 ft at 9:00PM Nov 28, 2020Observed: 1.18 ft at 10:00PM Nov 28, 2020Observed: 1.18 ft at 11:00PM Nov 28, 2020Observed: 1.17 ft at 12:00AM Nov 29, 2020Observed: 1.17 ft at 1:00AM Nov 29, 2020Observed: 1.17 ft at 2:00AM Nov 29, 2020Observed: 1.17 ft at 3:00AM Nov 29, 2020Observed: 1.17 ft at 4:00AM Nov 29, 2020Observed: 1.16 ft at 5:00AM Nov 29, 2020Observed: 1.17 ft at 6:00AM Nov 29, 2020Observed: 1.17 ft at 7:00AM Nov 29, 2020Observed: 1.17 ft at 8:00AM Nov 29, 2020Observed: 1.17 ft at 9:00AM Nov 29, 2020Observed: 1.18 ft at 10:00AM Nov 29, 2020Observed: 1.16 ft at 11:00AM Nov 29, 2020Observed: 1.17 ft at 12:00PM Nov 29, 2020Observed: 1.17 ft at 1:00PM Nov 29, 2020Observed: 1.17 ft at 2:00PM Nov 29, 2020Observed: 1.15 ft at 3:00PM Nov 29, 2020Observed: 1.15 ft at 4:00PM Nov 29, 2020Observed: 1.16 ft at 5:00PM Nov 29, 2020Observed: 1.15 ft at 6:00PM Nov 29, 2020Observed: 1.15 ft at 7:00PM Nov 29, 2020Observed: 1.14 ft at 8:00PM Nov 29, 2020Observed: 1.13 ft at 9:00PM Nov 29, 2020Observed: 1.13 ft at 10:00PM Nov 29, 2020Observed: 1.14 ft at 11:00PM Nov 29, 2020Observed: 1.13 ft at 12:00AM Nov 30, 2020Observed: 1.13 ft at 1:00AM Nov 30, 2020Observed: 1.13 ft at 2:00AM Nov 30, 2020Observed: 1.13 ft at 3:00AM Nov 30, 2020Observed: 1.13 ft at 4:00AM Nov 30, 2020Observed: 1.14 ft at 5:00AM Nov 30, 2020Observed: 1.13 ft at 6:00AM Nov 30, 2020Observed: 1.13 ft at 7:00AM Nov 30, 2020Observed: 1.12 ft at 8:00AM Nov 30, 2020Observed: 1.13 ft at 9:00AM Nov 30, 2020Observed: 1.14 ft at 10:00AM Nov 30, 2020Observed: 1.12 ft at 11:00AM Nov 30, 2020Observed: 1.13 ft at 12:00PM Nov 30, 2020Observed: 1.12 ft at 1:00PM Nov 30, 2020Observed: 1.12 ft at 2:00PM Nov 30, 2020Observed: 1.13 ft at 3:00PM Nov 30, 2020Observed: 1.11 ft at 4:00PM Nov 30, 2020Observed: 1.12 ft at 5:00PM Nov 30, 2020Observed: 1.12 ft at 6:00PM Nov 30, 2020Observed: 1.12 ft at 7:00PM Nov 30, 2020Observed: 1.12 ft at 8:00PM Nov 30, 2020Observed: 1.13 ft at 9:00PM Nov 30, 2020Observed: 1.13 ft at 10:00PM Nov 30, 2020Observed: 1.13 ft at 11:00PM Nov 30, 2020Observed: 1.14 ft at 12:00AM Dec 01, 2020Observed: 1.16 ft at 1:00AM Dec 01, 2020Observed: 1.16 ft at 2:00AM Dec 01, 2020Observed: 1.17 ft at 3:00AM Dec 01, 2020Observed: 1.18 ft at 4:00AM Dec 01, 2020Observed: 1.2 ft at 5:00AM Dec 01, 2020Observed: 1.21 ft at 6:00AM Dec 01, 2020Observed: 1.22 ft at 7:00AM Dec 01, 2020Observed: 1.23 ft at 8:00AM Dec 01, 2020Observed: 1.23 ft at 9:00AM Dec 01, 2020Observed: 1.24 ft at 10:00AM Dec 01, 2020Observed: 1.25 ft at 11:00AM Dec 01, 2020Observed: 1.25 ft at 12:00PM Dec 01, 2020Observed: 1.26 ft at 1:00PM Dec 01, 2020Observed: 1.27 ft at 3:00PM Dec 01, 2020Observed: 1.26 ft at 4:00PM Dec 01, 2020Highest Observation: 1.28 ft at 5:00PM Dec 01, 2020Highest Observation: 1.28 ft at 6:00PM Dec 01, 2020Observed: 1.27 ft at 7:00PM Dec 01, 2020Observed: 1.27 ft at 8:00PM Dec 01, 2020Observed: 1.27 ft at 9:00PM Dec 01, 2020Observed: 1.27 ft at 10:00PM Dec 01, 2020Observed: 1.27 ft at 11:00PM Dec 01, 2020Observed: 1.27 ft at 12:00AM Dec 02, 2020Observed: 1.26 ft at 1:00AM Dec 02, 2020Observed: 1.27 ft at 2:00AM Dec 02, 2020Observed: 1.26 ft at 3:00AM Dec 02, 2020Observed: 1.26 ft at 4:00AM Dec 02, 2020Observed: 1.26 ft at 5:00AM Dec 02, 2020Observed: 1.25 ft at 6:00AM Dec 02, 2020Observed: 1.25 ft at 7:00AM Dec 02, 2020Observed: 1.24 ft at 8:00AM Dec 02, 2020Observed: 1.24 ft at 9:00AM Dec 02, 2020Observed: 1.24 ft at 10:00AM Dec 02, 2020Observed: 1.23 ft at 11:00AM Dec 02, 2020Observed: 1.23 ft at 12:00PM Dec 02, 2020Observed: 1.22 ft at 1:00PM Dec 02, 2020Observed: 1.22 ft at 2:00PM Dec 02, 2020Observed: 1.21 ft at 3:00PM Dec 02, 2020Observed: 1.2 ft at 4:00PM Dec 02, 2020Observed: 1.2 ft at 5:00PM Dec 02, 2020Observed: 1.18 ft at 6:00PM Dec 02, 2020Observed: 1.17 ft at 7:00PM Dec 02, 2020Observed: 1.17 ft at 8:00PM Dec 02, 2020Observed: 1.17 ft at 9:00PM Dec 02, 2020Observed: 1.16 ft at 10:00PM Dec 02, 2020Observed: 1.15 ft at 11:00PM Dec 02, 2020Observed: 1.13 ft at 12:00AM Dec 03, 2020Observed: 1.13 ft at 1:00AM Dec 03, 2020Observed: 1.13 ft at 2:00AM Dec 03, 2020Observed: 1.12 ft at 3:00AM Dec 03, 2020Highest Forecast: 1.1 ft 5:00AM Dec 03, 2020Highest Forecast: 1.1 ft 6:00AM Dec 03, 2020Highest Forecast: 1.1 ft 7:00AM Dec 03, 2020Highest Forecast: 1.1 ft 8:00AM Dec 03, 2020Highest Forecast: 1.1 ft 9:00AM Dec 03, 2020Highest Forecast: 1.1 ft 10:00AM Dec 03, 2020Highest Forecast: 1.1 ft 11:00AM Dec 03, 2020Highest Forecast: 1.1 ft 12:00PM Dec 03, 2020Highest Forecast: 1.1 ft 1:00PM Dec 03, 2020Highest Forecast: 1.1 ft 2:00PM Dec 03, 2020Highest Forecast: 1.1 ft 3:00PM Dec 03, 2020Highest Forecast: 1.1 ft 4:00PM Dec 03, 2020Highest Forecast: 1.1 ft 5:00PM Dec 03, 2020Highest Forecast: 1.1 ft 6:00PM Dec 03, 2020Highest Forecast: 1.1 ft 7:00PM Dec 03, 2020Highest Forecast: 1.1 ft 8:00PM Dec 03, 2020Highest Forecast: 1.1 ft 9:00PM Dec 03, 2020Highest Forecast: 1.1 ft 10:00PM Dec 03, 2020Highest Forecast: 1.1 ft 11:00PM Dec 03, 2020Highest Forecast: 1.1 ft 12:00AM Dec 04, 2020Forecast: 1 ft 1:00AM Dec 04, 2020Forecast: 1 ft 2:00AM Dec 04, 2020Forecast: 1 ft 3:00AM Dec 04, 2020Forecast: 1 ft 4:00AM Dec 04, 2020Forecast: 1 ft 5:00AM Dec 04, 2020Forecast: 1 ft 6:00AM Dec 04, 2020Forecast: 0.9 ft 7:00AM Dec 04, 2020Forecast: 0.9 ft 8:00AM Dec 04, 2020Forecast: 0.9 ft 9:00AM Dec 04, 2020Forecast: 0.9 ft 10:00AM Dec 04, 2020Forecast: 0.9 ft 11:00AM Dec 04, 2020Forecast: 0.9 ft 12:00PM Dec 04, 2020Forecast: 0.9 ft 1:00PM Dec 04, 2020Forecast: 0.9 ft 2:00PM Dec 04, 2020Forecast: 0.9 ft 3:00PM Dec 04, 2020Forecast: 0.8 ft 4:00PM Dec 04, 2020Forecast: 0.8 ft 5:00PM Dec 04, 2020Forecast: 0.8 ft 6:00PM Dec 04, 2020Forecast: 0.8 ft 7:00PM Dec 04, 2020Forecast: 0.8 ft 8:00PM Dec 04, 2020Forecast: 0.8 ft 9:00PM Dec 04, 2020Forecast: 0.8 ft 10:00PM Dec 04, 2020Forecast: 0.8 ft 11:00PM Dec 04, 2020Forecast: 0.8 ft 12:00AM Dec 05, 2020Forecast: 0.8 ft 1:00AM Dec 05, 2020Forecast: 0.8 ft 2:00AM Dec 05, 2020Forecast: 0.8 ft 3:00AM Dec 05, 2020Forecast: 0.8 ft 4:00AM Dec 05, 2020Forecast: 0.8 ft 5:00AM Dec 05, 2020Forecast: 0.8 ft 6:00AM Dec 05, 2020Forecast: 0.8 ft 7:00AM Dec 05, 2020Forecast: 0.8 ft 8:00AM Dec 05, 2020Forecast: 0.8 ft 9:00AM Dec 05, 2020Forecast: 0.8 ft 10:00AM Dec 05, 2020Forecast: 0.8 ft 11:00AM Dec 05, 2020Forecast: 0.8 ft 12:00PM Dec 05, 2020Forecast: 0.8 ft 1:00PM Dec 05, 2020Forecast: 0.8 ft 2:00PM Dec 05, 2020Forecast: 0.8 ft 3:00PM Dec 05, 2020Forecast: 0.8 ft 4:00PM Dec 05, 2020Forecast: 0.8 ft 5:00PM Dec 05, 2020Forecast: 0.8 ft 6:00PM Dec 05, 2020Forecast: 0.8 ft 7:00PM Dec 05, 2020Forecast: 0.8 ft 8:00PM Dec 05, 2020Forecast: 0.8 ft 9:00PM Dec 05, 2020Forecast: 0.8 ft 10:00PM Dec 05, 2020Forecast: 0.8 ft 11:00PM Dec 05, 2020Forecast: 0.8 ft 12:00AM Dec 06, 2020Forecast: 0.8 ft 1:00AM Dec 06, 2020Forecast: 0.8 ft 2:00AM Dec 06, 2020Forecast: 0.8 ft 3:00AM Dec 06, 2020Forecast: 0.8 ft 4:00AM Dec 06, 2020Forecast: 0.8 ft 5:00AM Dec 06, 2020Forecast: 0.8 ft 6:00AM Dec 06, 2020Forecast: 0.8 ft 7:00AM Dec 06, 2020Forecast: 0.8 ft 8:00AM Dec 06, 2020Forecast: 0.8 ft 9:00AM Dec 06, 2020Forecast: 0.8 ft 10:00AM Dec 06, 2020Forecast: 0.8 ft 11:00AM Dec 06, 2020Forecast: 0.8 ft 12:00PM Dec 06, 2020Forecast: 0.8 ft 1:00PM Dec 06, 2020Forecast: 0.8 ft 2:00PM Dec 06, 2020Forecast: 0.8 ft 3:00PM Dec 06, 2020Forecast: 0.8 ft 4:00PM Dec 06, 2020Forecast: 0.8 ft 5:00PM Dec 06, 2020Forecast: 0.8 ft 6:00PM Dec 06, 2020Forecast: 0.8 ft 7:00PM Dec 06, 2020Forecast: 0.8 ft 8:00PM Dec 06, 2020Forecast: 0.8 ft 9:00PM Dec 06, 2020Forecast: 0.8 ft 10:00PM Dec 06, 2020Forecast: 0.8 ft 11:00PM Dec 06, 2020Forecast: 0.8 ft 12:00AM Dec 07, 2020Forecast: 0.8 ft 1:00AM Dec 07, 2020Forecast: 0.8 ft 2:00AM Dec 07, 2020Forecast: 0.8 ft 3:00AM Dec 07, 2020Forecast: 0.8 ft 4:00AM Dec 07, 2020Forecast: 0.8 ft 5:00AM Dec 07, 2020Forecast: 0.8 ft 6:00AM Dec 07, 2020USGS--Water Resources of the United StatesSMIT2(plotting HGIRZ) Graph Created (4:03AM Dec 3, 2020)ObservedForecast (issued 7:51AM Dec 2)Latest observed value: 1.12 ft at 3:00 AM CST 3-Dec-2020. Flood Stage is 20 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Colorado River (TX) near Smithville are issued routinely year-round.

Return to Area Map
Upstream Gauge - at Bastrop Upstream Gauge Downstream Gauge Downstream Gauge - above La Grange
Flood Categories (in feet)
Major Flood Stage: 28
Moderate Flood Stage: 23
Flood Stage: 20
Action Stage: 10
Low Stage (in feet): -9999

Historic Crests
(1) 47.40 ft on 12/04/1913
(2) 42.50 ft on 06/16/1936
(3) 36.02 ft on 07/27/1938
(4) 34.75 ft on 10/18/1998
(5) 31.91 ft on 08/28/2017
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 31.91 ft on 08/28/2017
(2) 30.09 ft on 05/28/2016
(3) 30.02 ft on 11/01/2015 (P)
(4) 29.87 ft on 05/27/2015
(5) 27.85 ft on 11/23/2004
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

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
34 Several tens of homes flood above Smithville in Hidden Valley Estates, Doty River Estates, and Pecan Shores Estates, some to the roofs. Homes flood also below Smithville near Kirtley. Flow reaches near the lowest businesses in Smithville.
30 Major flooding inundates homes five miles upstream in Hidden Valley Estates, three miles upstream in Doty River Estates, one mile upstream in Pecan Shores Estates just above Smithville and in Kirtley below Smithville.
28 Major flooding inundates homes five miles upstream in Hidden Valley Estates, three miles upstream in Doty River Estates, one mile upstream in Pecan Shores Estates just above Smithville and in Kirtley below Smithville.
25 Flow threatens lowest residences five miles upstream at Hidden Valley Estates and three miles upstream at Doty River Estates. Roads and bridges near the river flood and are dangerous to motorists.
23 Moderate lowland flooding extends well into the flood plain inundating lowest homes and bridges below Bastrop to above Columbus.
20 Minor lowland flooding reaches secondary roads and low water crossings near the river
14 Overbank conditions with water covering low areas of the flood plain with no significant impact.
10 Flow exceeds lowest sections of the banks.
About This Location Collapse

Latitude: 30.012500° N, Longitude: 97.161667° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 20 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 29 270.14 ft 290.14 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
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
Austin/San Antonio Weather Forecast Office
2090 Airport Road
New Braunfels, TX 78130
(830) 629-0130
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:29 PM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities