Weather & River Conditions

Flash Flood Warning issued July 15 at 1:31PM CDT until July 15 at 4:00PM CDT by NWS Austin/San Antonio TX

FFWEWX The National Weather Service in Austin/San Antonio has extended the * Flash Flood Warning for... Southeastern Bexar County in south central Texas... Guadalupe County in south central Texas... * Until 400 PM CDT. * At 131 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts up to 0.5 inches are possible in the warned area. Flash flooding from runoff is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... San Antonio, New Braunfels, San Marcos, Schertz, Seguin, Cibolo, Converse, Universal City, Live Oak, Selma, Luling, Randolph AFB, San Antonio Int Airport, Kirby, Alamo Heights, Windcrest, Terrell Hills, McQueeney, St. Hedwig and Elmendorf.

Expires: 7/15/2026, 9:00:00 PM

Flood Watch issued July 15 at 1:05PM CDT until July 16 at 7:00PM CDT by NWS Austin/San Antonio TX

* WHAT...Flooding and flash flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of south central Texas, including the following counties, Bandera, Bexar, Blanco, Burnet, Comal, Dimmit, Edwards, Frio, Gillespie, Guadalupe, Hays, Kendall, Kerr, Kinney, Llano, Maverick, Medina, Real, Travis, Uvalde, Val Verde, Williamson and Zavala. * WHEN...Through Thursday evening. * IMPACTS...There is a potential for life threatening flooding somewhere in the watch area. Considerable to locally catastrophic flash flooding impacts are likely for the southern Edwards Plateau, Rio Grande, western Hill Country, and US 90 corridor west of San Antonio. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Catastrophic impacts are possible downstream of the heaviest rains. Low-water crossings may be flooded. Extensive street flooding and flooding of creeks and rivers are possible. * ADDITIONAL DETAILS... - Intense rainfall rates and compounding effects from multiple rounds of storms will maintain a dangerous flash flood threat through Thursday. Additional rain amounts of 2 to 6 inches are possible within the Flood Watch area with isolated amounts of 10 to 15 inches possible in the Rio Grande Plains, southern Edwards Plateau, western Hill Country, and US 90 corridor west of San Antonio. - http://www.weather.gov/safety/flood

Expires: 7/17/2026, 12:00:00 AM

San Marcos River Flow (USGS Luling Gauge)

Safety & Emergency Contacts

If a Flash Flood Warning is active, leave the river immediately and move to higher ground.

• The San Marcos River can rise quickly during heavy rain upstream.
• Lightning within 10 miles? Exit the water until 30 minutes after the last strike.
• Always wear a life jacket when tubing or kayaking.
• Always check the weather before you head out.