Active Weather Alerts
Severe Thunderstorm Warning
Issued: 4:22 AM May. 20, 2026 – National Weather Service
The National Weather Service in Austin San Antonio has issued a * Severe Thunderstorm Warning for... Northeastern Bandera County in south central Texas... Southeastern Kerr County in south central Texas... Southwestern Blanco County in south central Texas... Kendall County in south central Texas... Northern Bexar County in south central Texas... Comal County in south central Texas... * Until 1215 AM CDT. * At 1122 PM CDT, severe thunderstorms were located along a line extending from near Old Tunnel State Park to near Kronkosky State Natural Area, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... San Antonio, New Braunfels, Schertz, Converse, Universal City, Live Oak, Boerne, Selma, Comfort, Bandera, Randolph AFB, Canyon Lake Dam, Canyon Lake, Fair Oaks Ranch, Bulverde, Garden Ridge, Shavano Park, Hollywood Park, Cross Mountain, and Guadalupe River State Park. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Large hail, damaging wind, and continuous cloud to ground lightning are occurring with these storms. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...<.75 IN; WIND THREAT...OBSERVED; MAX WIND GUST...60 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. &&
Special Weather Statement
Issued: 4:09 AM May. 20, 2026 – National Weather Service
...Strong thunderstorms will impact portions of northern Medina, eastern Bandera, southeastern Kerr, southwestern Blanco, southeastern Gillespie, Kendall, Bexar and central Comal Counties through 1215 AM CDT... At 1109 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 7 miles southwest of Fredericksburg to near Kronkosky State Natural Area to near Hill Country State Natural Area. Movement was east at 35 mph. HAZARD...Wind gusts of 50 to 55 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... San Antonio, Schertz, Kerrville, Converse, Universal City, Live Oak, Boerne, Selma, Castroville, Comfort, Blanco, Bandera, Stinson Municipal Airport, Tarpley, San Antonio Int Airport, Randolph AFB, Canyon Lake, Leon Valley, Helotes, and Fair Oaks Ranch. 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...0.50 IN; MAX WIND GUST...55 MPH
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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