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SwedenLeon Creek at IH 35, San Antonio water level
River gauge, Leon Creek, Texas, United States
Right now
Normal for mid-October
Water level
- Flow
- 6.2 cfs
History
20252026
What this means
The gauge at Leon Creek at IH 35, San Antonio reads 2.25 ft, a normal level for mid-October.
The median for mid-October is 2.32 ft, based on 34 years of readings, so the river stage is 0.06 ft below typical. It is 12.75 ft below the flood stage of 15.00 ft. On the same day last year the reading was 1.32 ft, a difference of +0.93 ft.
It has barely moved over the past 24 hours. Over the past 30 days it has moved between 1.61 ft and 6.16 ft.
Fall is often low-water season on rivers, until steadier rain returns.
Compared with 34 years of daily readings for this time of year. How to read levels
Key numbers
- Median for this date
- 2.32 ft0.06 ft below the median for this date
- Normal for this date
- 1.59 ft – 4.04 ft8 years in 10 fall in this range (34 years of records)
- Same day last year
- 1.32 ft+0.93 ft
- Lowest and highest in 30 days
- 1.61 ft – 6.16 ft
- Lowest and highest in 12 months
- 1.19 ft – 10.62 ft
- Highest on record
- 29.31 ftOctober 18, 1998
What the stage means on the water
A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.
The National Weather Service puts flood stage for this gauge at 15.00 ft, still 12.75 ft away.
What happens at each level
- 26.00 ft
- Major flooding of primary and secondary roads and bridges from above Highway 90 to below I-35. Evacuations may be required from homes and the mobile home park in the flood plain and along New Laredo Highway as water is likely to enter structures. The approaches and shoulders to the I-35 bridge will flood. At the 26 foot level water is nearing the bottom of the I-35 bridge. Flooding is observed around the StandardAero facility.
- 25.00 ft
- The mobile home park on New Laredo Highway will flood. Approaches and shoulders to the I-35 bridge will begin to flood with traffic likely restricted to one lane. Flooding will occur at the StandardAero facility.
- 22.00 ft
- Homes and businesses in the flood plain along Leon Creek may flood and evacuations may be required. Residents in the mobile home park near Leon Creek on New Laredo Highway should prepare for flooding. Most primary and secondary roads and low bridges near Leon Creek are flooded. Camargo Park near Nelson Wolff Stadium will see flooding.
- 20.00 ft
- Major flooding could reach or enter structures above Kelly USA down to I-35. Several horse barns are flooded. Roads, streets and low bridges in the flood plain and near Leon Creek can flood and become dangerous and deadly. The northbound and southbound medians to the I-35 bridge and service roads will begin to flood. Flooding will begin around the StandardAero facility.
- 16.00 ft
- Camargo Park near Nelson Wolff Stadium will begin to see water entering the park in areas that are close to the creek. Primary and secondary roads and bridges will begin to see flooding from above Kelly USA to below I-35. Flow approaches horse barns and homes below Kelly USA.
- 15.00 ft
- Moderate flooding in the floodplain that will begin to approach primary and secondary roads and low bridges above Kelly USA to below I-35. Water may begin to approach homes in the lowest areas from near Nelson Wolff Stadium to I-35.
- 13.00 ft
- Minor lowland flooding begins to approach secondary roads and low bridges above Kelly USA to below I-35.
- 2.25 ft
- Right now
Impact statements from the U.S. National Weather Service.
Highest crests on record
Chance of at least minor flooding in October to December: 17 %.
| Rank | Level | Date |
|---|---|---|
| 1 | 29.31 ft | October 18, 1998 |
| 2 | 27.62 ft | May 25, 2013 |
| 3 | 27.20 ft | July 2, 2002 |
| 4 | 25.79 ft | July 6, 2021 |
| 5 | 24.60 ft | June 22, 1997 |
| 6 | 22.96 ft | June 12, 2025 |
| 7 | 22.92 ft | November 22, 2004 |
| 8 | 22.30 ft | June 11, 1987 |
| 9 | 21.71 ft | June 29, 2007 |
| 10 | 20.09 ft | December 21, 1991 |
Weather at the gauge
No rain in the last 3 days.
Forecast: Open-Meteo
Map
Other gauges on Leon Creek
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Leon Creek at IH 10 and Loop 1604 near San AntonioRiver gauge, Leon Creek | 982.59 ft | Highest on record | ±0 | 18 mi |
| Leon Creek at Lp 410 at San AntonioRiver gauge, Leon Creek | 4.00 ft | Low | −0.04 ft | 9 mi |
| Leon Creek at SH 90, San AntonioRiver gauge, Leon Creek | 4.16 ft | No reference yet | −0.02 ft | 5.4 mi |
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Medina River near SomersetRiver gauge, Medina River | 4.05 ft | Low | +0.01 ft | 4.7 mi |
| Medina River near MacdonaRiver gauge, Medina River | −0.02 ft | Low | +0.05 ft | 6 mi |
| San Pedro Creek at Furnish St, San AntonioRiver gauge, San Pedro Creek | 0.0 cfs | Very low | ±0 | 7 mi |
| San Antonio River at Mitchell St, San AntonioRiver gauge, San Antonio River | 4.29 ft | Normal | +0.02 ft | 7 mi |
| Medina River at San AntonioRiver gauge, Medina River | 2.92 ft | Very low | +0.10 ft | 7 mi |
| San Antonio River at San AntonioRiver gauge, San Antonio River | 3.96 ft | Normal | +0.03 ft | 8 mi |
| San Antonio River at Loop 410, San AntonioRiver gauge, San Antonio River | 3.68 ft | Low | +0.01 ft | 8 mi |
| Salado Creek at Loop 13, San AntonioRiver gauge, Salado Creek | 5.19 ft | Low | −0.01 ft | 10 mi |
Questions and answers
Is Leon Creek at IH 35, San Antonio higher than last year?
Yes, it is 0.93 ft higher than on the same day last year, when the reading was 1.32 ft.
What is flood stage for Leon Creek at IH 35, San Antonio?
The official flood stage is 15.00 ft. The level is currently 12.75 ft below it.
What is a normal level for Leon Creek at IH 35, San Antonio in mid-October?
The median for mid-October is 2.32 ft. In 8 years out of 10 the reading falls between 1.59 ft and 4.04 ft, based on 34 years of records.
Is gage height the same as water depth?
No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.
What is the water level of Leon Creek at IH 35, San Antonio today?
On Oct 20, 2026, 11:15 AM CDT, the water level was 2.25 ft. Steady over the last 24 hours.
Is Leon Creek at IH 35, San Antonio rising or falling?
Steady over the last 24 hours. Up 0.04 ft over the last 7 days.
Is the level of Leon Creek at IH 35, San Antonio normal?
Normal for mid-October. Compared with 34 years of daily readings for this time of year.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- U.S. Geological Survey
- Station code
usgs:08181480(Agency page)- Coordinates
29.32996, -98.58419(WGS84)- Vertical datum
- NAVD88
- Update interval
- every 15 minutes
- Licence
- Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision
Published series
| Parameter | Last value | Time (UTC) | Quality |
|---|---|---|---|
| Water level | 2.25 ft | 2026-10-20 16:15 | Provisional |
| Flow | 6.2 cfs | 2026-10-20 16:15 | Provisional |
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How to cite
U.S. Geological Survey: Leon Creek at IH 35, San Antonio (usgs:08181480). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/texas/leon-creek-at-ih-35-san-antonio
How we check values
Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer