Headline:
Flash Flood Warning issued June 20 at 3:41AM CDT until June 20 at 6:00AM CDT by NWS Austin/San Antonio TX
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
June 20, 2026 - 1:41am
Expires:
June 20, 2026 - 4:00am
Description:
At 341 AM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 2 and 3 inches of rain have
fallen. Flash flooding 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, 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.
Light to moderate rains continue to fall over the warned area, with
an additional 1/4 to 1/2 inch possible through 6 AM. This additional
rain could maintain elevated flows on area creeks and streams and
also further add to the flooding of poor drainage areas.
Instruction:
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.
Area Description:
Bexar, TX; Comal, TX; Kendall, TX
Forcast Office:
NWS Austin/San Antonio TX
Sender: