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Home Return to list Flash Flood Warning 0017 Issued by the Austin / San Antonio Forecast Office
Action: New Issued At: 2026-05-21 17:38:07
287
WGUS54 KEWX 212237
FFWEWX
TXC031-053-299-220245-
/O.NEW.KEWX.FF.W.0017.260521T2237Z-260522T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Austin/San Antonio TX
537 PM CDT Thu May 21 2026
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.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont 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.
&&
LAT...LON 3075 9838 3084 9818 3057 9810 3049 9835
3041 9859 3050 9859 3064 9859
FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
MM
Action: Continued Issued At: 2026-05-21 18:50:08
374
WGUS74 KEWX 212349
FFSEWX
Flash Flood Statement
National Weather Service Austin/San Antonio TX
649 PM CDT Thu May 21 2026
TXC031-053-299-220245-
/O.CON.KEWX.FF.W.0017.000000T0000Z-260522T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Blanco TX-Burnet TX-Llano TX-
649 PM CDT Thu May 21 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 PM CDT THIS
EVENING FOR NORTHWESTERN BLANCO, SOUTHWESTERN BURNET AND
SOUTHEASTERN LLANO COUNTIES...
At 649 PM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between 2
and 3 inches of rain have fallen. Additional rainfall amounts up to
1 inch are possible in the warned area. Flash flooding is already
occurring.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Radar and automated gauges.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
Burnet, Marble Falls, Kingsland, Gainesville, Granite Shoals,
Horseshoe Bay, Meadowlakes, Highland Haven, Longhorn Cavern State
Park, Inks Lake State Park, Smithwick, Blowout, Cottonwood Shores
and Sunrise Beach Village.
Numerous County roads within the warned area have been reported
flooding, along with continued flooding issues in Granite Shoals.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
Stay away or be swept away. River banks and culverts can become
unstable and unsafe.
&&
LAT...LON 3075 9838 3084 9818 3057 9810 3049 9835
3041 9859 3050 9859 3064 9859
FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
MM
Action: Expired Issued At: 2026-05-21 21:43:16
637
WGUS74 KEWX 220242
FFSEWX
Flash Flood Statement
National Weather Service Austin/San Antonio TX
942 PM CDT Thu May 21 2026
TXC031-053-299-220252-
/O.EXP.KEWX.FF.W.0017.000000T0000Z-260522T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Blanco TX-Burnet TX-Llano TX-
942 PM CDT Thu May 21 2026
...FLASH FLOOD WARNING WILL EXPIRE AT 945 PM CDT THIS EVENING FOR
NORTHWESTERN BLANCO, SOUTHWESTERN BURNET AND SOUTHEASTERN LLANO
COUNTIES...
Flood waters have receded. The heavy rain has ended. Flooding is no
longer expected to pose a threat. Please continue to heed remaining
road closures.
&&
LAT...LON 3075 9838 3084 9818 3057 9810 3049 9835
3041 9859 3050 9859 3064 9859
$$
MM
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