Texas, 2026

Flash Flooding and Damaging Winds in Texas, May 23, 2026

May 23, 2026 · NWS HGX · 7 events in 5 counties and zones

Storms moved through SE Texas and produced strong winds and heavy rainfall.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$85,000
Crop damage
None recorded
Events
7

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS HGX wrote it up.

Storms moved through SE Texas and produced strong winds and heavy rainfall.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Houston/Galveston, TX wrote its last area forecast discussion before the first event at May 22, 11:47 PM CST, 5 hours 18 minutes earlier. Its key messages:

  • Flood Watch remains in effect for most of SE Texas.
  • Showers and thunderstorms are expected today. Some may be strong at times. Locally heavy rainfall is possible leading to the potential of flash flooding. Additional intermittent periods of rain/storms are anticipated Sunday and Monday for parts of the area.
  • Mariners should remain weather aware this holiday weekend. Be prepared for higher winds/seas in and near storms and allow yourself plenty of extra time to return to shore before hazardous weather threatens.
Area forecast discussion, May 22, 11:47 PM CST, 5 hours 18 minutes before
Area Forecast Discussion
National Weather Service Houston/Galveston TX
1247 AM CDT Sat May 23 2026

...New DISCUSSION, AVIATION, MARINE...

.KEY MESSAGES...

- Flood Watch remains in effect for most of SE Texas.

- Showers and thunderstorms are expected today. Some may be strong
at times. Locally heavy rainfall is possible leading to the
potential of flash flooding. Additional intermittent periods of
rain/storms are anticipated Sunday and Monday for parts of the area.

- Mariners should remain weather aware this holiday weekend. Be
prepared for higher winds/seas in and near storms and allow yourself
plenty of extra time to return to shore before hazardous weather
threatens.

&&

.DISCUSSION...
Issued at 1241 AM CDT Sat May 23 2026

Upper low near Baja will make its way eastward this weekend. In
advance, there will be multiple disturbances in the flow aloft to
trigger shower/thunderstorm activity across the region. Guidance in
these type of patterns is typically less than stellar in terms of
specifics (timing, location, rain amounts, etc) and given the spread
in incoming 00z model guidance, satellite, & radar trends...that
generally holds true in this situation too.

There is considerable uncertainty how everything unfolds today. We
currently have a string of eastward moving, n-s oriented, shortwaves
stretching from the eastern Panhandle to the Hill Country to about
the Big Bend area. Another, stronger looking, disturbance emerging
west of Cabo tracking northeastward into nctl Mexico. In the low
levels, if one squints hard enough, there is a little bit of speed
convergence setting up along the upper Tx coast and some  pooling
1.6-1.9" PW's. I think with the approach of the shortwave(s) and
heating after sunrise, shra/tstms should blossom as the day
progresses. Suspect everything will eventually be run on the
mesoscale with boundary interactions, cold pools, etc....

In terms of the Flood Watch, considering the overall uncertainty, I
don't think I could add any value with making adjustments. Generally
speaking, model qpf's have been on a downward trend for a few
days...now mostly forecasting 1-3" amounts (mostly south of a
Livingston-Columbus line. However, some of the incoming 00z guidance
is still advertising some VERY localized 4-7" amounts. NSSL WRF is
the most concerning one I've seen so far...with a swath of high
amounts across the coastal counties in the same spots that saw the
high amounts the other day. There's a non-zero risk of some
borderline strong/severe cells as well, but overall think rain rates
and downpours will be the more significant risk.

Upper trof tracks into central Tx tonight, and into east Tx Sun-Mon.
Continued chances of rain will persist, with the better chances
east/southeast of where the trof axis is situated (say Matagorda Bay-
Houston-Livingston or so). Would however think the overall coverage
and amounts will be lower and will make downward POP adjustments Mon-
Tue. Things might get active again toward midweek as the next
western trof drops toward the Desert Southwest. 47

&&

.AVIATION...
(06Z TAF Issuance)
Issued at 1241 AM CDT Sat May 23 2026

Mid/upper disturbances will move across Texas tonight. These
disturbances have already produced SHRA/TSRA in central and northern
parts of the state. Most guidance shows this SHRA/TSRA activity
dissipating overnight. While this scenario is possible, we are
also noticing a fair amount of atmospheric instability across the
region and cannot rule out overnight / early morning SHRA/TSRA in
some of our terminals. For now, we have opted to add PROB30 SHRA
to all TAFs for the early morning hours, while keeping TSRA in
the TAFs for this afternoon. This forecast is very much in flux
and future amendments are likely.

&&

.MARINE...
Issued at 1241 AM CDT Sat May 23 2026

Look for maily onshore winds in the 10-15kt and 2-4ft seas to
prevail through the holiday weekend, but with the disclaimer that
wind directions, speeds and seas can and probably will be disrupted
in and near several periods of thunderstorms. Pressure gradient
tightens toward midweek with a corresponding increase in speeds &
wave heights. 47

&&

.HYDROLOGY...
Issued at 306 PM CDT Fri May 22 2026

Multiple rounds of moderate to heavy rainfall are expected this
evening through Monday. The first round will start tonight bringing
2-4 " with isolated higher amounts of 5-6+". With PW values
exceeding the 90th percentile (~1.7-2.1"), rainfall rates of 2-4"/hr
are possible in the heaviest downpours. Anywhere we see these
intense rainfall rates, localized flash flooding is possible. The
greatest concern for the heaviest rainfall is Saturday afternoon
through Sunday morning, but there is the possibly of heavy
downpours through the entire weekend.

Rises to action to minor flood stage are likely though the weekend
especially on flashier responding basins. Isolated moderate to major
stage flooding is not out of the question depending on where the
most rainfall accumulates. We will need to monitor area rivers and
bayous over the next several days to see exactly where the heaviest
rain falls. Remember that you can monitor updated river forecasts
via the NWS NWPS webpage (https://water.noaa.gov/).

Going into next week, we will have monitor the forecast for
additional moderate to heavy rainfall on top of primed soils as this
will generate more runoff than normal. That being said, it is still
too early to tell exactly which basins will have long term issues.

Landry-Guyton

&&

.PRELIMINARY POINT TEMPS/POPS...
College Station (CLL)	  84  68  83  68 /  60  50  40  30
Houston (IAH)			  84  71  82  70 /  70  70  60  40
Galveston (GLS)			  84  75  82  75 /  70  80  70  50

&&

.HGX WATCHES/WARNINGS/ADVISORIES...
TX...Flood Watch through Monday evening for TXZ164-177>179-197>200-
     210>214-226-227-235>238-300-313-335>338-436>439.

GM...None.
&&

DISCUSSION...47
AVIATION...Self
MARINE...47

In the hours before

Special weather statement, May 23, 2:53 AM CST, 2 hours 12 minutes before
Special Weather Statement
National Weather Service Houston/Galveston TX
353 AM CDT Sat May 23 2026

TXZ210-226-235-230930-
Wharton TX-Colorado TX-Inland Jackson TX-
353 AM CDT Sat May 23 2026

...A STRONG THUNDERSTORM WILL IMPACT SOUTH CENTRAL COLORADO...WEST
CENTRAL WHARTON AND NORTH CENTRAL JACKSON COUNTIES THROUGH 430 AM
CDT...

At 353 AM CDT, Doppler radar was tracking a strong thunderstorm 11
miles east of Speaks, or 14 miles west of El Campo, moving east at 20
mph.

HAZARD...Wind gusts up to 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
El Campo and Nada.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 2926 9666 2934 9656 2942 9637 2931 9624
      2917 9626 2914 9666
TIME...MOT...LOC 0853Z 253DEG 17KT 2924 9651

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

Bailey
Special weather statement, May 23, 3:18 AM CST, 1 hour 47 minutes before
Special Weather Statement
National Weather Service Houston/Galveston TX
418 AM CDT Sat May 23 2026

TXZ226-227-235>237-335>337-230945-
Inland Brazoria TX-Coastal Matagorda TX-Inland Matagorda TX-
Wharton TX-Coastal Jackson TX-Fort Bend TX-Coastal Brazoria TX-
Inland Jackson TX-
418 AM CDT Sat May 23 2026

...STRONG THUNDERSTORMS WILL IMPACT WHARTON...EAST CENTRAL JACKSON...
SOUTHWESTERN FORT BEND...SOUTHWESTERN BRAZORIA AND NORTHERN MATAGORDA
COUNTIES THROUGH 445 AM CDT...

At 418 AM CDT, Doppler radar was tracking a cluster of strong
thunderstorms near Boling-Iago, or 13 miles west of West Columbia,
moving northeast at 25 mph.

HAZARD...Wind gusts up to 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Rosenberg, Lake Jackson, Bay City, El Campo, Wharton, West Columbia,
Sweeny, Brazoria, Needville, Pleak, Fairchilds, western Bailey's
Prairie, Beasley, Kendleton, Pierce, Van Vleck, Boling-Iago, Wild
Peach Village, Cumings, and Blessing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 2880 9637 2933 9641 2962 9582 2902 9543
TIME...MOT...LOC 0918Z 233DEG 23KT 2919 9587

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

Bailey
Special weather statement, May 23, 3:45 AM CST, 1 hour 20 minutes before
Special Weather Statement
National Weather Service Houston/Galveston TX
445 AM CDT Sat May 23 2026

TXZ213-226-227-236>238-337-437-231015-
Inland Brazoria TX-Inland Matagorda TX-Wharton TX-
Inland Galveston TX-Brazoria Islands TX-Inland Harris TX-
Fort Bend TX-Coastal Brazoria TX-
445 AM CDT Sat May 23 2026

...A STRONG THUNDERSTORM WILL IMPACT EASTERN WHARTON...NORTHWESTERN
GALVESTON...FORT BEND...BRAZORIA...NORTHWESTERN MATAGORDA AND
SOUTHWESTERN HARRIS COUNTIES THROUGH 515 AM CDT...

At 445 AM CDT, Doppler radar was tracking a strong thunderstorm near
Fairchilds, or 11 miles south of Rosenberg, moving northeast at 25
mph.

HAZARD...Wind gusts up to 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Pearland, Sugar Land, Missouri City, southwestern Friendswood,
Rosenberg, Lake Jackson, Alvin, Angleton, Stafford, Bay City,
Bellaire, Richmond, Clute, Wharton, Manvel, West Columbia, Sweeny,
Fresno, Mission Bend, and Town West.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 2891 9621 2938 9624 2983 9572 2959 9523
      2905 9522
TIME...MOT...LOC 0945Z 231DEG 22KT 2938 9575

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

Bailey
Special weather statement, May 23, 4:14 AM CST, 51 minutes before
Special Weather Statement
National Weather Service Houston/Galveston TX
514 AM CDT Sat May 23 2026

TXZ212-213-226-227-237-238-313-231045-
Inland Brazoria TX-Waller TX-Wharton TX-Coastal Harris TX-
Inland Galveston TX-Inland Harris TX-Fort Bend TX-
514 AM CDT Sat May 23 2026

...A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN WHARTON...
NORTHWESTERN GALVESTON...FORT BEND...NORTH CENTRAL BRAZORIA...
SOUTHEASTERN WALLER AND CENTRAL HARRIS COUNTIES THROUGH 545 AM CDT...

At 514 AM CDT, Doppler radar was tracking a strong thunderstorm over
Town West, moving northeast at 20 mph.

HAZARD...Wind gusts up to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Northwestern Pasadena, Pearland, Sugar Land, Missouri City, northern
Friendswood, Rosenberg, Stafford, South Houston, Bellaire, West
University Place, Katy, Richmond, Galena Park, Jacinto City, Jersey
Village, Manvel, Hunters Creek Village, Bunker Hill Village, Piney
Point Village, and Downtown Houston.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 2933 9592 2944 9595 2956 9606 3004 9564
      2988 9523 2953 9515
TIME...MOT...LOC 1014Z 227DEG 19KT 2967 9563

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

Bailey
Special weather statement, May 23, 4:32 AM CST, 33 minutes before
Special Weather Statement
National Weather Service Houston/Galveston TX
532 AM CDT Sat May 23 2026

TXZ213-227-237-238-313-337-338-231100-
Inland Brazoria TX-Coastal Harris TX-Inland Galveston TX-
Coastal Galveston TX-Inland Harris TX-Fort Bend TX-
Coastal Brazoria TX-
532 AM CDT Sat May 23 2026

...A STRONG THUNDERSTORM WILL IMPACT WEST CENTRAL GALVESTON...
SOUTHEASTERN FORT BEND...CENTRAL BRAZORIA AND SOUTHEASTERN HARRIS
COUNTIES THROUGH 600 AM CDT...

At 532 AM CDT, Doppler radar was tracking a strong thunderstorm near
Bonney, or 11 miles southwest of Manvel, moving east at 30 mph.

HAZARD...Wind gusts up to 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Southern Pearland, southwestern League City, Friendswood, Alvin,
Angleton, Santa Fe, Webster, Hitchcock, Manvel, Clear Lake,
southeastern South Belt / Ellington, Danbury, Arcola, Iowa Colony,
Holiday Lakes, Hillcrest, northern Bailey's Prairie, Liverpool,
Bonney, and Brazos Bend State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 2916 9573 2940 9576 2960 9513 2916 9509
TIME...MOT...LOC 1032Z 261DEG 26KT 2936 9551

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

Bailey
Special weather statement, May 23, 4:44 AM CST, 21 minutes before
Special Weather Statement
National Weather Service Houston/Galveston TX
544 AM CDT Sat May 23 2026

TXZ178-199-200-213-214-227-237-238-300-313-338-231115-
San Jacinto TX-Inland Brazoria TX-Northern Liberty TX-Chambers TX-
Coastal Harris TX-Inland Galveston TX-Coastal Galveston TX-
Inland Harris TX-Southern Liberty TX-Fort Bend TX-Montgomery TX-
544 AM CDT Sat May 23 2026

...STRONG THUNDERSTORMS WILL IMPACT NORTHWESTERN GALVESTON...
NORTHEASTERN FORT BEND...SOUTHEASTERN MONTGOMERY...SOUTH CENTRAL SAN
JACINTO...NORTHEASTERN BRAZORIA...NORTHWESTERN CHAMBERS...WESTERN
LIBERTY AND HARRIS COUNTIES THROUGH 615 AM CDT...

At 544 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Spring to Pecan Park to near Holiday
Lakes. Movement was east at 35 mph.

HAZARD...Wind gusts up to 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Pasadena, Pearland, League City, Sugar Land, Baytown, Missouri City,
Texas City, Friendswood, La Porte, Deer Park, southeastern Rosenberg,
Alvin, Dickinson, Stafford, South Houston, Bellaire, Humble, West
University Place, Seabrook, and Galena Park.

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.

&&

LAT...LON 3041 9503 2967 9467 2945 9496 2944 9571
      2966 9572 3008 9576
TIME...MOT...LOC 1044Z 253DEG 31KT 3008 9531 2971 9529 2919 9548

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

Bailey

The radar

The Houston radar (KHGX), 9 km away, was scanning. The volume nearest the first event began at 11:04 UTC.

Open the radar archive at this moment

Event by event

4 thunderstorm wind, 3 flash flood. Local standard time, as filed.

Thunderstorm Wind, Galveston

When
May 23, 5:05 AM CST
Where
Galveston County, 2.5 mi WNW of League City S S Arpt
Measured
52 kt (60 mph) estimated gust
Reported by
Public
Coordinates
29.490, -95.170

A member of the public reported that trees were blown down in the West Ranch neighborhood.

Thunderstorm Wind, Harris

When
May 23, 5:27 AM CST
Where
Harris County, 0.91 mi NE of Lynchburg
Measured
50 kt (58 mph) measured gust
Reported by
Mesonet
Coordinates
29.790, -95.060

Mesonet station HLNT2 G103 San Jacinto River at I-10 measured a 58 mph wind gust.

Thunderstorm Wind, Liberty

When
May 23, 5:55 AM CST
Where
Liberty County, 0.6 mi W of Dayton
Measured
56 kt (64 mph) estimated gust
Property damage
$3,000
Reported by
Public
Coordinates
30.050, -94.890

A member of the public shared multiple videos on social media, showing straight line wind damage in Dayton. Two trees were downed with numerous branches broken off and scattered across the area. The root system on one of the downed trees appeared to be shallow and rather weak. The other tree was found leaning onto the roof of a home. Winds were estimated around 65 MPH based on TH with a DoD of 2.

Flash Flood, Brazoria

When
May 23, 12:50 PM CST to 2:00 PM CST
Where
Brazoria County, 2.38 mi SE of Alvin to 1.12 mi NE of Alvin
Cause
Heavy Rain
Property damage
$21,000
Reported by
Storm Chaser
Coordinates
29.398, -95.219

Flash flooding was reported over portions of northeast Brazoria county. Flash flooding was initially reported by the member of the public, who estimated around 4 inches of standing water in Hillcrest. A storm chaser shared a video on social media showing flooding over portions of Alvin. In the video, extensive inundation can be seen across two residential properties with both homes surrounded by water. One property had water over the front porch, reaching the front door. Flash flooding onset was estimated from gauge and radar observations. Another video shared by storm chasers showed other lawns and turf inundated with water, though inundation only seemed to reach the edges of these roadways.

Thunderstorm Wind, Brazoria

When
May 23, 2:15 PM CST
Where
Brazoria County, 0.92 mi SW of Lake Jackson
Measured
59 kt (68 mph) estimated gust
Property damage
$8,000
Reported by
Public
Coordinates
29.040, -95.460

A member of the public reported wind damage to a Lowes. Part of the front sign was damaged, though otherwise damage was minor. Winds were estimated a 65 mph using LIRB with a DoD of 1.

Flash Flood, Harris

When
May 23, 3:33 PM CST to 5:00 PM CST
Where
Harris County, 0.86 mi N of Jersey Village to 1.63 mi WSW of Howellville
Cause
Heavy Rain
Property damage
$33,000
Reported by
Public
Coordinates
29.892, -95.568

Multiple mPing reports were received, spanning from the north Freeway around Independence Heights to the Sugarland area. Four indicated street flooding with vehicles stranded. One indicated a building had been inundated with water. Additionally, a storm chaser shared a video on social media showing water over the North Freeway frontage Road at West Rocky Creek Road. In the video, one vehicle appears to be stalled out, though others can be seen passing through.

Flash Flood, Brazos

When
May 23, 6:32 PM CST to 7:30 PM CST
Where
Brazos County, 2.07 mi SW of Harvey to 1.23 mi SW of Harvey
Cause
Heavy Rain
Property damage
$20,000
Reported by
Law Enforcement
Coordinates
30.625, -96.299

Brazos county sheriffs department received numerous reports of flooded roadways, most of which occurred near Texas Ave and Villa Maria Rd. Two additional mPing reports indicated street flooding near TX-6 and Harvey Road. A news broadcaster also shared a video on social media, taken near Harvey Road. The video showed high flows and water overtopping the banks of Carters Creek.

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Texas in 2026Every state in 2026This day in weather historyWarnings in Texas, May 2026

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 1338517, 1338619, 1338535, 1338544, 1338528, 1338563, 1338578.