Flash Flood Warning for Bexar and Comal Counties in Texas
If you are in immediate danger, call emergency services now.
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NWS Austin/San Antonio TX issued a Flash Flood Warning for northern Bexar County and south central Comal County until 12:15 AM CDT August 29.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- South Central Texas
- Issued
- August 29, 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: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
Flash Flood Warning issued by NWS Austin/San Antonio TX. Effective from August 28 at 9:09 PM CDT until August 29 at 12:15 AM CDT.
Affected Areas
Northern Bexar County in south central Texas and South Central Comal County in south central Texas. Locations that will experience flash flooding include San Antonio, Schertz, Converse, Universal City, Live Oak, Selma, San Antonio Int Airport, Randolph AFB, Leon Valley, Helotes, Kirby, Alamo Heights, Windcrest, Terrell Hills, Garden Ridge, Shavano Park, Hollywood Park and Olmos Park.
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 9:09 PM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3 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.
Timeline
The warning is effective immediately from August 28 at 9:09 PM CDT and remains in effect until August 29 at 12:15 AM CDT.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
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.
Similar body length
Nearest notices by article body length (1,285 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 29, 2026.
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