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This probabilistic forecast is issued by the West Gulf River Forecast Center.

	Hydrograph			River at a Glance			Download			Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

About this graph

Forecasts for the Pedernales River at Johnson City are issued as needed during times of high water, but are not routinely available.

Return to Area Map

Upstream Gauge

Zoom Level:16

Flood Categories (in feet)

Major Flood Stage:	19
Moderate Flood Stage:	17
Flood Stage:	14
Action Stage:	13
Low Stage (in feet):	-9999

Historic Crests
(1) 42.50 ft on 09/11/1952
(2) 33.00 ft on 07/03/1869
(3) 26.10 ft on 08/30/1944
(4) 26.10 ft on 10/04/1959
(5) 26.00 ft on 07/04/2002
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 18.50 ft on 05/08/2019
(2) 15.78 ft on 05/04/2019
(3) 17.58 ft on 10/16/2018
(4) 16.22 ft on 06/02/2016
(5) 19.25 ft on 05/24/2015
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

	Gauge Location	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

If you notice any errors in the below information, please contact our Webmaster
40	Flow reaches the slab elevation of the lowest homes in the Pedernales River flood plain near Johnson City, the rodeo grounds and the south approach of Highway 281. An RV park just below Highway 281 has up to six feet of water over the lowest sites. Widespread lowland flooding can cut off and drown hundreds of livestock. Much of Pedernales Falls State Park floods.
37	Several feet of turbulent water is flowing through low areas of an RV park below Highway 281 on the right bank. Many roads and bridges in the flood plain are life threatening. Fencing and roads are damaged or destroyed. Much of Pedernales Falls State Park is flooded.
34	Flow is to the lowest trailer sites of an RV park just below Highway 281 near Johnson City. Hundreds of cattle can be cut off and drowned in the flood plain. Low areas of Pedernales Falls State Park downstream flood. Roads and bridges near the river are extremely dangerous. Flow is approaching the rodeo grounds. Near the USGS 1:100 year flood level.
30	Flow is within four feet of an RV park in the northeast part of Johnson City just below Highway 281 on the left bank. Lowest camp sites are at thirty four feet gauge height. Hundreds of livestock in the flood plain can be cut off and drowned. Roads and low bridges near the river flood. Low sections of Pedernales Falls State Park downstream are under turbulent water and very dangerous. Exceeds the USGS 1:50 year flood.
28	Secondary and primary roads and bridges are severely flooded in the flood plain. Fencing and roads are damaged or destroyed. Low areas of Pedernales State Park downstream are severely flooded. Exceeds USGS 1:25 year flood.
25	Extensive damage occurs to roads, bridges, fences and signs in the flood plain below Stonewall to Lake Travis. Lower sections of Pedernales Falls State Park flood. Roads and low bridges near the river are flooded and dangerous to motorists. Exceeds USGS 1:10 year flood.
22	Secondary roads, bridges and crossings are dangerously flooded near the Pedernales River. Low areas of Pedernales Falls State Park are flooded and dangerous. Fencing and roads are damaged or destroyed in the flood plain.
19	Major flooding makes secondary and primary roads below Stonewall to Lake Travis very dangerous. Low park areas downstream in Pedernales Falls State Park flood.
17	Moderate lowland flooding makes secondary roads, bridges and low crossings very dangerous. Swimmers and recreationists should move from the flood plain downstream in Pedernales Falls State Park. Near the USGS 1:2 year flood.
14	Minor lowland flooding reaches secondary roads, crossings and low bridges. Low areas of LBJ National Park upstream are flooded. Swimmers and recreationists should leave the river downstream in Pedernales Falls State Park.
13	Low water crossings upstream flood.

Other Real-time and/or Archive Data Sources:

U.S. Geological Survey (USGS) Data and Site Info for Johnson City

Collaborative Agencies

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
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2090 Airport Road
New Braunfels, TX 78130
(830) 629-0130
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Page last modified: 2-Nov-2020 7:29 PM

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