Flash Flood Warning Issued for Bexar, Comal, Kendall Counties TX
This alert is no longer in effect.
NOAA issued it on July 25, 2026, 4 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 TX issued a Flash Flood Warning for northwestern Bexar, west central Comal, and south central Kendall counties until 6:00 AM CDT June 20.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- South Central Texas
- Issued
- July 25, 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 4 weeks ago; use the issuing agency's live warning service for current conditions in South Central Texas.
Alert Details
Flash Flood Warning issued by NWS Austin/San Antonio TX. Effective from 2026-06-20T01:34:00-05:00 until 2026-06-20T06:00:00-05:00. Severity: Severe. Certainty: Likely. Urgency: Immediate.
Affected Areas
Northwestern Bexar County, West Central Comal County, and South Central Kendall County in south central Texas. Specific locations include San Antonio, Boerne, Helotes, Fair Oaks Ranch, Bulverde, Shavano Park, Hollywood Park, Cross Mountain, Leon Springs, The Dominion, Timberwood Park, Bergheim, Government Canyon State Natural Area, Kronkosky State Natural Area, Hill Country Village, Grey Forest, Scenic Oaks, Fiesta Texas, Cascade Caverns and Specht Store.
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. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route.
Expected Conditions
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 2 inches are possible. Flash flooding is ongoing or expected to begin shortly. Hazard: Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses.
Timeline
Alert effective 2026-06-20T01:34:00-05:00. Expires and ends 2026-06-20T06:00:00-05:00.
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 (1,534 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 25, 2026.
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