Active Weather Alerts
Special Weather Statement
Issued: 5:11 AM May. 20, 2026 – National Weather Service
...Strong thunderstorms will impact portions of east central Medina, southwestern Caldwell, south central Hays, Guadalupe, southeastern Kendall, Wilson, Bexar and Comal Counties through 115 AM CDT... At 1211 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Twin Sisters to near Somerset. Movement was southeast at 35 mph. HAZARD...Wind gusts of 50 to 55 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... San Antonio, New Braunfels, San Marcos, Schertz, Seguin, Cibolo, Converse, Universal City, Live Oak, Lockhart, Selma, Floresville, Luling, Castroville, Poth, Stockdale, San Antonio Int Airport, Randolph AFB, Canyon Lake Dam, and Stinson Municipal Airport. PRECAUTIONARY/PREPAREDNESS ACTIONS... If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with these storms and may lead to localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with these storms. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. A Severe Thunderstorm Watch remains in effect until 100 AM CDT for south central Texas. && MAX HAIL SIZE...0.00 IN; MAX WIND GUST...55 MPH
Flood Advisory
Issued: 4:12 AM May. 20, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 4 AM CDT WEDNESDAY... * WHAT...Small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of south central Texas, including the following counties, Bandera, Bexar, Comal, Kendall and Medina. * WHEN...Until 400 AM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Dangerous flows over low-water crossings. * ADDITIONAL DETAILS... - At 1111 PM CDT, Doppler radar indicated heavy rain due to thunderstorms. This will cause small stream flooding. Up to 2 inches of rain have fallen. - Additional rainfall amounts up 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, Comfort, Canyon Lake, Helotes, Fair Oaks Ranch, Bulverde, Shavano Park, Cross Mountain, Kronkosky State Natural Area, Walnut Grove, Nelson City, Kreutzberg, Welfare, Leon Springs, Pipe Creek, Government Canyon State Natural Area, The Dominion, Waring and Bandera Falls. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become killers in heavy rains. Campers and hikers should avoid streams or creeks. &&
Severe Thunderstorm Watch
Issued: 4:01 AM May. 20, 2026 – National Weather Service
SEVERE THUNDERSTORM WATCH 233 REMAINS VALID UNTIL 1 AM CDT WEDNESDAY FOR THE FOLLOWING AREAS IN TEXAS THIS WATCH INCLUDES 12 COUNTIES IN SOUTH CENTRAL TEXAS BASTROP BLANCO BURNET CALDWELL COMAL FAYETTE GUADALUPE HAYS KENDALL LEE TRAVIS WILLIAMSON THIS INCLUDES THE CITIES OF AUSTIN, BASTROP, BLANCO, BOERNE, BURNET, GEORGETOWN, GIDDINGS, LA GRANGE, LOCKHART, NEW BRAUNFELS, SAN MARCOS, AND SEGUIN.
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