Leon Creek at Loop 410 near Leon Valley
Future / Actual / Minor
OWP 2.0 WWA Modal Title
01/11/2021, 10:04 PM UTC through 01/11/2021, 10:04 PM UTC
Sender
Sent
- Upstream gauge unavailableWarning: no valid ratings curve available. Transformations to and from FEET/CFS/KCFS will not happen.
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Observed (OBS) 06/22/2025 3:45 PM CDTRecord: 18.7 ftReliability of the Forecast:
NOTE: Forecasts are not available. Only observed stages are available for this point.
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.
Gauge readings are temporarily unavailable.
National Water Model Hydrograph
Official NWS streamflow forecasts are produced by NWS hydrologic forecasters for river gauge locations using hydrologic models which are calibrated to that location. This process considers additional guidance and information, including local expertise and experience, to produce the best forecast possible. The NWM output provides supplemental guidance to NWS forecasters and should not be considered an official NWS river forecast.
Flood Impacts
- 18 - Water will flood Heath Road. Homes along and to the west of Heath Road from Heliport Drive to Misty Moon will likely experience flooding that could be several feet deep. All low lying prinary and secondary roads near or along Leon Creek will be flooded and dangerous.
- 16 - Water will flood portions of Heath Road from Heliport Drive to Misty Moon. Water will begin to approach and could enter homes on the west side of Heath Road. Low lying primary and secondary roads in or near Leon Creek will be flooded and dangerous.
Gauge Info
| Coordinates | 29.4478, -98.6336 |
| RFC | WGRFC |
| State | TX |
| WFO | EWX |
| County | Bexar |
| Data Provider(s) | |
| US Geological Survey | USGS--Water Resources of the United States |
| USGS | 08181435 |
Gauge Location
Recent Crests
| 1. | 18.74 ft | on 06-12-2025 |
| 2. | 18.65 ft | on 07-06-2015 |
Recent Crests
| 1. | 18.74 ft | on 06-12-2025 |
| 2. | 18.65 ft | on 07-06-2015 |
Historic Crests
| 1. | 18.74 ft | on 06-12-2025 |
| 2. | 18.65 ft | on 07-06-2015 |
Historic Crests
| 1. | 18.74 ft | on 06-12-2025 |
| 2. | 18.65 ft | on 07-06-2015 |
Vertical Datum Table
| type | NAVD88 |
|---|---|
| major Flooding | N/A |
| moderate Flooding | N/A |
| minor Flooding | N/A |
| action | N/A |
| Latest Value | 722.23 ft |
| Gauge Zero | 717.81 ft |
Gauge Photos
No Images Found
Probability Information
No Images Available
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.