Flash Flood Warning Issued for Bexar, Comal, Guadalupe, Hays Counties in Texas

Source: NOAA · South Central Texas

This alert is no longer in effect.

NOAA issued it on July 14, 2026, 5 weeks ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

NWS Austin/San Antonio has issued a Flash Flood Warning for northeastern Bexar County, Comal County, northwestern Guadalupe County and south central Hays County until 8:30 AM CDT June 15.

Read this weather record in 30 seconds

Record type
Flash Flood Warning
Affected area
South Central Texas
Issued
July 14, 2026
Issuing authority
NWS Austin/San Antonio TX

Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.

Record status: historical. It was issued 5 weeks ago; use the issuing agency's live warning service for current conditions in South Central Texas.

Alert Details

A Flash Flood Warning was issued by the National Weather Service Austin/San Antonio TX at 4:23 AM CDT on June 15, 2026. The alert is effective from 4:23 AM CDT until 8:30 AM CDT on June 15, 2026.

Affected Areas

The warning covers northeastern Bexar County, Comal County, northwestern Guadalupe County and south central Hays County in south central Texas. 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.

What You Should Do

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.

Expected Conditions

At 4:23 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. Flash flooding is ongoing or expected to begin shortly. Hazard includes life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses.

Timeline

The Flash Flood Warning is in effect from 4:23 AM CDT until 8:30 AM CDT on June 15, 2026.

Original source: NOAA Official Notice ↗

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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Austin/San Antonio has issued a Flash Flood Warning for northeastern Bexar County, Comal County, northwestern Guadalupe County and south central Hays County until 8:30 AM CDT June 15.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects South Central Texas. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.