⚠️ Flash Flood Warning – Bexar, TX; Comal, TX; Guadalupe, TX; Hays, TX – Monday, June 15, 2026

Flash Flood Warning issued June 15 at 4:23AM CDT until June 15 at 8:30AM CDT by NWS Austin/San Antonio TX

Details

FFWEWX

The National Weather Service in Austin/San Antonio has issued a

* Flash Flood Warning for…
Northeastern Bexar County in south central Texas…
Comal County in south central Texas…
Northwestern Guadalupe County in south central Texas…
South Central Hays County in south central Texas…

* Until 830 AM CDT.

* At 423 AM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
1 and 2 inches of rain have fallen. Additional rainfall amounts of
1 to 2 inches are possible in the warned area. Flash flooding is
ongoing or expected to begin shortly.

HAZARD…Life threatening flash flooding. Thunderstorms
producing flash flooding.

SOURCE…Radar and automated gauges.

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,
Universal City, Selma, Canyon Lake Dam, Randolph AFB, Canyon Lake,
Fair Oaks Ranch, Bulverde, Garden Ridge, McQueeney, Marion, Santa
Clara, Staples, Smithson Valley and Spring Branch.

Instructions

Turn around, don’t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Be aware of your surroundings and do not drive on flooded roads.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.