Texas Flash Flood Warning - [Severity] | Effective 05/21/2026 15:37

Headline: 
Flash Flood Warning issued May 21 at 5:37PM CDT until May 21 at 9:45PM CDT by NWS Austin/San Antonio TX
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
May 21, 2026 - 3:37pm
Expires: 
May 21, 2026 - 7:45pm
Description: 
FFWEWX The National Weather Service in Austin/San Antonio has issued a * Flash Flood Warning for... Northwestern Blanco County in south central Texas... Southwestern Burnet County in south central Texas... Southeastern Llano County in south central Texas... * Until 945 PM CDT. * At 537 PM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar and automated gauges. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Burnet, Marble Falls, Kingsland, Gainesville, Granite Shoals, Horseshoe Bay, Meadowlakes, Highland Haven, Longhorn Cavern State Park, Inks Lake State Park, Smithwick, Blowout, Cottonwood Shores and Sunrise Beach Village. Report of flooding due to high water flow in Granite Shoals.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. Stay away or be swept away. River banks and culverts can become unstable and unsafe.
Area Description: 
Blanco, TX; Burnet, TX; Llano, TX
Forcast Office: 
NWS Austin/San Antonio TX