Alert archive / Texas / Flood Watches in 2026

Flood Watch 4, NWS Austin/San Antonio, TX

May 26, 202618 counties in Texas

NWS Austin/San Antonio, TX issued this flood watch at May 26, 2026, 11:09 AM CDT for 18 counties in Texas. It took effect at May 26, 2026, 4:00 PM CDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued: May 26, 2026, 11:09 AM CDT (16:09 UTC)
In effect from: May 26, 2026, 4:00 PM CDT
Expired: May 27, 2026, 2:01 AM CDT
In force: 10 hr
Issued by: NWS Austin/San Antonio, TX
Flood severity: None

Counties Bandera County, TX, Bexar County, TX, Blanco County, TX, Burnet County, TX, Comal County, TX, Edwards County, TX, Gillespie County, TX, Hays County, TX, Kendall County, TX, Kerr County, TX, Kinney County, TX, Llano County, TX, Medina County, TX, Real County, TX, Travis County, TX, Uvalde County, TX, Val Verde County, TX, Williamson County, TX

The radar

The Austin/San Antonio radar (KEWX), 101 km from the middle of the area, began a volume at 16:09 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 4.2 hours before the alert went out and 189 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 464 J/kg
Mixed-layer CIN: -172 J/kg
Mixed-layer LCL: 1147 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 110 m²/s²
0-3 km storm-relative helicity: 175 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Austin/San Antonio, TX wrote its last area forecast discussion before this flood watch went out at May 26, 5:56 AM CDT, 5 hours 13 minutes earlier.

Area forecast discussion, May 26, 5:56 AM CDT, 5 hours 13 minutes before

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The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 25, 7:15 PM CDT	Special Weather Statement	EWX	Williamson	30 min
May 25, 8:14 PM CDT	Special Weather Statement	EWX	Lee	31 min
May 26, 1:10 PM CDT	Severe Thunderstorm Warning	EWX	Zavala	50 min
May 26, 1:56 PM CDT	Special Weather Statement	EWX	Zavala	49 min
May 26, 2:03 PM CDT	Special Weather Statement	EWX	Uvalde	42 min
May 26, 2:21 PM CDT	Severe Thunderstorm Warning	EWX	Uvalde	54 min
May 26, 2:28 PM CDT	Severe Thunderstorm Warning	EWX	Frio, Medina, Uvalde, Zavala	62 min
May 26, 2:37 PM CDT	Special Weather Statement	EWX	Val Verde	53 min
May 26, 2:43 PM CDT	Severe Thunderstorm Warning	EWX	Val Verde	42 min
May 26, 3:11 PM CDT	Severe Thunderstorm Warning	EWX	Uvalde	21 min
May 26, 3:14 PM CDT	Tornado Warning	EWX	Frio, Zavala	46 min
May 26, 3:24 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EWX	Frio	66 min
May 26, 3:36 PM CDT	Severe Thunderstorm Warning	EWX	Edwards, Real	39 min
May 26, 3:54 PM CDT	Severe Thunderstorm Warning	EWX	Edwards	21 min
May 26, 4:01 PM CDT	Severe Thunderstorm Warning	EWX	Frio	59 min
May 26, 4:11 PM CDT	Special Weather Statement	EWX	Real	34 min
May 26, 4:17 PM CDT	Special Weather Statement	EWX	Gillespie	43 min
May 26, 4:37 PM CDT	Severe Thunderstorm Warning	EWX	Gillespie	53 min
May 26, 4:48 PM CDT	Severe Thunderstorm Warning	EWX	Kinney, Maverick, Val Verde	57 min
May 26, 4:49 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EWX	Atascosa, Frio	56 min
May 26, 5:21 PM CDT	Tornado Warning	EWX	Maverick	17 min
May 26, 5:29 PM CDT	Special Weather Statement	EWX	Llano	61 min
May 26, 5:34 PM CDT	Severe Thunderstorm Warning	EWX	Gillespie, Llano	17 min
May 26, 5:39 PM CDT	Severe Thunderstorm Warning	EWX	Maverick	66 min
May 26, 5:46 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EWX	Atascosa, Frio	59 min
May 26, 5:49 PM CDT	Special Weather Statement	EWX	Blanco	41 min
May 26, 6:07 PM CDT	Severe Thunderstorm Warning	EWX	Blanco, Burnet, Gillespie, Llano	25 min
May 26, 6:15 PM CDT	Tornado Warning	EWX	Maverick	30 min
May 26, 6:20 PM CDT	Areal Flood Advisory	EWX	Atascosa, Frio	3 hr
May 26, 6:23 PM CDT	Severe Thunderstorm Warning	EWX	Maverick, Zavala	51 min
May 26, 6:32 PM CDT	Special Weather Statement	EWX	Burnet, Llano	43 min
May 26, 6:33 PM CDT	Special Weather Statement	EWX	Uvalde	42 min
May 26, 6:41 PM CDT	Severe Thunderstorm Warning	EWX	Atascosa	64 min
May 26, 6:47 PM CDT	Special Weather Statement	EWX	Uvalde	43 min
May 26, 6:54 PM CDT	Severe Thunderstorm Warning	EWX	Frio, Uvalde, Zavala	66 min

Nearby

Flood Watches in Texas, 2026 Every flood watch in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.