Leon Creek at Loop 410 near Leon Valley

1. 18.00 ftWater 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.
2. 16.00 ftWater 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.

Significant river flooding is possible here through October 7.

Weather conditions indicate that significant flooding could occur; it is neither certain nor imminent.

The five-day outlook is from the Weather Prediction Center with the River Forecast Centers.

Most recent crests

• June 12, 2025: 18.74 ft
• July 6, 2015: 18.65 ft

• DownstreamLeon Creek at I-35S near San Antonio
• San Pedro Creek
• Olmos Creek at Dresden Drive
• Medina River at Macdona
• San Antonio River
• Culebra Creek at GCSNA near Helotes
• Helotes Creek at Helotes
• Leon Creek at I-10 and Loop 1604

Forecasts by the West Gulf River Forecast Center. 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.

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.