Floods possible in South Texas

Floods possible in South Texas

Shown here is a severe thunderstorm watch issued through midnight.

NWS Austin/San Antonio

Severe thunderstorms will be possible Friday evening and night across much of South Texas, including San Antonio. The biggest storm threat will be large hailstones, some as large as golf balls in some areas. The storms also pose a risk of damaging wind gusts and the risk of an isolated small tornado.

Follow the latest news on this page for live coverage of this extreme weather event. Updates are provided below.

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9:40 PM: Strong thunderstorms are moving outside of San Antonio, and will likely be completely outside the city by 10:15 p.m. A few showers and storms are possible overnight, but the odds are less than 50%.

This is a radar view at 9:50 pm

This is a radar view at 9:50 pm

NWS Austin/San Antonio

The strongest storms are currently located along and east of I-37. They are moving east toward Sutherland Springs, Floresville, and Booth. Small hail and wind gusts up to 60 mph will be possible until 11pm in these areas.

9:05 PM: Moderate to heavy rain continues throughout the San Antonio metro area. Fortunately, these storms are not severe, but minor street flooding is possible. Storms are moving from west to east, and most of the rain will exit San Antonio by 9:45 p.m. A few rains and storms are likely overnight.

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Heavy rain will continue in New Braunfels for the next hour or two. A severe thunderstorm warning remains in effect for Canyon Lake and San Marcos until 9:15 p.m

Isolated flooding possible – San Antonio

8:28 pm: A group of thunderstorms is heading toward San Antonio. These storms are not considered severe, but heavy rain and isolated street flooding will be possible until 9:30 p.m., and travel is not recommended. Frequent lightning is also expected, so be sure to stay indoors.

Severe Thunderstorm – Boerne

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7:50 PM: A severe thunderstorm warning has been issued for Kendall County, including Boerne and Comfort. Impacts include 60 mph winds and nickel-sized hail. Seek shelter if you are in this area.

A line of storms developed 20 to 30 miles west of San Antonio, moving east at 45 mph. Expect heavy rain, lightning, and possibly small hail between 8:15 and 9:00 PM in the Alamo City.

Non-severe storms moved into Bexar County

7:10 PM: A group of non-severe thunderstorms moved into western Bexar County. The San Antonio area can expect heavy rain and lightning at times, especially in Leon Valley and Helotes. These storms are not severe, but hailstones as small as a dime are possible.

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Storms moving toward San Antonio

6:40 PM: A band of thunderstorms is moving across Medina County to the east toward San Antonio. Expect heavy rain with occasional lightning to reach the Alamo City between 7:00 and 7:30 p.m. These storms are not severe, but they are in an environment that could be strengthened.

A severe thunderstorm warning remains in effect from now until midnight. Some storms will be capable of delivering large hail and damaging wind gusts.

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6:10 PM: A severe thunderstorm warning has been issued for a thunderstorm in Kenney County. The storm is capable of dropping quarter-sized hail and packing 60 mph wind gusts. It will impact the city of Brackettville by 6:30 p.m

A strong thunderstorm is also moving through Frio County. The Pearsall and Derby communities could be affected by hail by 6:30 p.m

Some light rain is possible in San Antonio until 7 p.m., with stronger thunderstorms possible after 7:30 p.m.

A severe thunderstorm watch has been issued

5:35 pm: The National Weather Service has issued a severe thunderstorm warning until midnight for much of South Texas. Cities on the watch include San Antonio, Boerne, Kerrville, New Braunfels, San Marcos, Hondo and Uvalde.

Conditions are favorable in this area for storm intensification. Large hail poses the greatest threat, but an isolated tornado is not unlikely. According to the National Weather Service, the strongest storms could produce hailstones up to the size of tennis balls, but most hailstones will be much smaller.

Below are the Storm Prediction Center's forecast for South Texas.  San Antonio is under a Level 2 risk for severe weather.  Big hail is the biggest threat.

Below are the Storm Prediction Center’s forecast for South Texas. San Antonio is under a Level 2 risk for severe weather. Big hail is the biggest threat.

NWS Austin/San Antonio

As of 5:35 p.m., several strong thunderstorms are moving east, from northern Mexico into southwest Texas. The strongest storms are located near Batesville and Del Rio. These storms are capable of producing hail the size of a dime, but they are getting stronger. Storms will continue to move east to northeast later this evening. Storm chances are expected to increase in San Antonio after 7 p.m

(tags for translation) National Weather Service

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