Lightning flashes over vehicles outside B&N Sports Bar in San Antonio as severe storms moved through the area during a tornado warning Tuesday night, May 26 2026.
11 p.m. Update:
All tornado warnings across South-Central Texas have been canceled.
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Rain is ending across much of Bexar County, and dry conditions are expected for the rest of the night and into Wednesday morning. However, between 1-2 inches of rain has already fallen across much of Bear County Tuesday, leading to standing water on area roadways. A flash flood warning will remain in effect through 1:15 a.m. Wednesday.
10:20 p.m. Update:
A flash flood warning has also been issued for the majority of Bexar County, as 1-2 inches of rain has fallen in a very short period of time. Up to an inch of additional rainfall is possible for parts of northern Bexar County through midnight.
According to the National Weather Service, life threatening flash flooding is possible across creeks and streams, urban areas, highways, streets and underpasses. Travel is not recommended.
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The flash flood warning has been issued for the highlighted area until 1:15 a.m.
9:55 p.m. Update: A tornado warning has been issued for parts of the San Antonio metro area, the National Weather Service announced Tuesday night.
A severe thunderstorm, capable of producing a tornado, was located on the east side of San Antonio. Areas under the warning include the east side of downtown, Kirby, China Grove, Windcrest, Converse, Live Oak, Universal City, and Schertz.
If you are in this area, take shelter now. A tornado could form at any minute. The warning will stay in effect until 10:30 p.m.
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“Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows,” The National Weather Service said in a statement. “If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris.”
Shown is the future radar at 9 p.m. Tuesday night, as a line of strong to severe thunderstorms approaches San Antonio from the west.
Below is the South Texas’ full storm timeline for Tuesday, May 26
As of Tuesday morning, a large cluster of strong thunderstorms has already developed across West Texas. As a system of low atmospheric pressure progresses eastward, the storm activity will push into South-Central Texas by the second half of the day, likely making its way into the San Antonio metro area after 8 p.m.
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If you plan on attending an outdoor Spurs watch party for Game 5 of the Western Conference Finals, it’ll be a good idea to leave the event before halftime or have a plan to seek shelter when storms arrive late.
A flood watch has been issued for the Hill Country and I-35 corridor, including San Antonio, the National Weather Service announced. The watch will go into effect at 4 p.m. Tuesday and last through early Wednesday morning. Between 1 and 3 inches of rainfall is likely across the watch area, with isolated totals up to 5 inches possible.
The highlighted area is under a flood watch, which starts at 4 p.m. Tuesday. San Antonio’s best chance of rain, though, will not come until after 9 p.m.
Not only will storms bring a flash flood threat, the strongest activity might also bring hail, damaging winds and frequent lightning. If you plan to watch Tuesday night’s game on TV, consider watching it from inside your home instead. Here’s an updated timeline for what you can expect.
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Tuesday’s timeline
Afternoon (Noon to 4 p.m.): For much of the day, dry weather is likely across San Antonio. Partly sunny skies are expected as temperatures rise into the mid-80s. An isolated shower or storm is possible, but overall rain chances will only be at around 20% during this time.
Evening (4 to 8 p.m.): Strong thunderstorms is expected to move through the Texas Hill Country, affecting cities such as Fredericksburg, Kerrville, Blanco and Llano. Areas to the west, such as Hondo, Uvalde,, Laredo, and Eagle Pass may also see strong storms during this time.
Tuesday night (8 p.m. to midnight) Weather models indicate that thunderstorms are likely to reach western parts of Bexar County by 8:30 p.m. Then, they’ll likely move into downtown San Antonio by 9 p.m. to 10 p.m. Storms may continue in the area through midnight, before activity winds down overnight.
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Could there be hail?
Yes, the strongest storms could be capable of producing large hail, but the risk is relatively small. San Antonio is under a level 1 of 5 risk of severe storms, according to the National Weather Service’s Storm Prediction Center. The low-end threat means that, while a few storms could produce large hail and damaging wind gusts, most will not.
San Antonio is under a level 1 of 5 risk of severe weather, while areas west of the city are under a higher threat of thunderstorms capable of producing hail and damaging winds.
The risk of hail and damaging winds will be higher to the west of San Antonio. Cities such as Kerrville, Bandera, Hondo, Uvalde, Junction and Leakey are under a level 2 of 5 risk of severe thunderstorms.
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Flooding: The larger threat will be the risk of street and urban flooding, as storms may produce rainfall rates of 2 inches per hour at times. Travel on area roadways may become dangerous late Tuesday, especially after 10 p.m.
Storms will move out of the area relatively quickly, which will thankfully limit the flood threat along area rivers, creeks, and streams.
