Texas Minor Flood Advisory | Effective 06/19/2026 22:20

Headline: 
Flood Advisory issued June 20 at 12:20AM CDT until June 20 at 3:30AM CDT by NWS Austin/San Antonio TX
Event: 
Flood Advisory
Urgency: 
Expected
Effective: 
June 19, 2026 - 10:20pm
Expires: 
June 20, 2026 - 1:30am
Description: 
* WHAT...Urban and small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of south central Texas, including the following counties, Bexar, Comal and Kendall. * WHEN...Until 330 AM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Dangerous flows over low-water crossings. * ADDITIONAL DETAILS... - At 1220 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Up to 2 inches of rain have fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... San Antonio, Boerne, Canyon Lake, Helotes, Fair Oaks Ranch, Bulverde, Garden Ridge, Shavano Park, Hollywood Park, Cross Mountain, Bergheim, Timberwood Park, Guadalupe River State Park, The Dominion, Leon Springs, Kreutzberg, Spring Branch, Smithson Valley, Walnut Grove and Nelson City. - http://www.weather.gov/safety/flood
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.
Area Description: 
Bexar, TX; Comal, TX; Kendall, TX
Forcast Office: 
NWS Austin/San Antonio TX
Sender: 
w-nws.webmaster@noaa.gov