Station Name: San Antonio Rv nr Elmendorf, TX
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 423 feet

Nearest Address:
6900 State Loop 1604
Elmendorf, TX 78112
Bexar County

GPS Coordinates: 29.2221853, -98.3558463

Nearby Water Temperatures

Flood Watch issued April 30 at 11:19AM CDT until May 1 at 9:00PM CDT by NWS Austin/San Antonio TX

Effective: Thu April 30, 2026, 11:19 AM
Expires: Fri May 1, 2026, 11:30 AM

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...A portion of south central Texas, including the following counties, Bandera, Bastrop, Bexar, Blanco, Burnet, Caldwell, Comal, Edwards, Fayette, Gillespie, Gonzales, Guadalupe, Hays, Kendall, Kerr, Kinney, Lee, Llano, Medina, Real, Travis, Uvalde, Val Verde, Williamson and Wilson. * WHEN...From 9 PM CDT this evening through Friday evening. * IMPACTS...There is a potential for LIFE-THREATENING flooding somewhere in the watch area. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Rainfall amounts of 2 to 4 inches with isolated amounts of 6 inches possible for the duration of the Flood Watch. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Flood Watch issued May 1 at 1:29AM CDT until May 1 at 9:00PM CDT by NWS Austin/San Antonio TX

Effective: Fri May 1, 2026, 1:29 AM
Expires: Fri May 1, 2026, 3:00 PM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of south central Texas, including the following counties, Bandera, Bastrop, Bexar, Blanco, Burnet, Caldwell, Comal, Edwards, Fayette, Gillespie, Gonzales, Guadalupe, Hays, Kendall, Kerr, Kinney, Lee, Llano, Medina, Real, Travis, Uvalde, Val Verde, Williamson and Wilson. * WHEN...Through this evening. * IMPACTS...There is a potential for life threatening flooding somewhere in the watch area. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Rainfall amounts of 2 to 4 inches with isolated amounts of 6 inches possible for the duration of the Flood Watch. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Flood Advisory issued May 1 at 5:37AM CDT until May 1 at 10:00AM CDT by NWS Austin/San Antonio TX

Effective: Fri May 1, 2026, 5:37 AM
Expires: Fri May 1, 2026, 10:00 AM

* WHAT...Small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of south central Texas, including the following counties, Atascosa, Bexar, DeWitt, Frio, Gonzales, Guadalupe, Karnes, Medina and Wilson. * WHEN...Until 1000 AM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 537 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. This will cause small stream flooding. Between 1 and 3 inches of rain have fallen. - Additional rainfall amounts up to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... San Antonio, Pleasanton, Pearsall, Floresville, Devine, Jourdanton, Poteet, Karnes City, Poth, Charlotte, Stockdale, Christine, Campbellton, Kosciusko, Lytle, Nixon, St. Hedwig, Somerset, Elmendorf and Natalia. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.

Flood Advisory issued May 1 at 7:16AM CDT until May 1 at 10:00AM CDT by NWS Austin/San Antonio TX

Effective: Fri May 1, 2026, 7:16 AM
Expires: Fri May 1, 2026, 10:00 AM

* WHAT...Urban and small stream flooding caused by excessive rainfall continues. * WHERE...A portion of south central Texas, including the following counties, Bandera, Bexar, Caldwell, Comal, Gonzales, Guadalupe, Hays, Kendall and Medina. * WHEN...Until 1000 AM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. * ADDITIONAL DETAILS... - At 716 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. This is causing urban and small stream flooding. Between 1 and 3 inches of rain have fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... San Antonio, New Braunfels, San Marcos, Schertz, Seguin, Cibolo, Converse, Universal City, Live Oak, Boerne, Lockhart, Selma, Hondo, Luling, Castroville, San Antonio Int Airport, Randolph AFB, Canyon Lake Dam, Canyon Lake and Leon Valley. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.

Flash Flood Warning issued May 1 at 5:08AM CDT until May 1 at 10:00AM CDT by NWS Austin/San Antonio TX

Effective: Fri May 1, 2026, 5:08 AM
Expires: Fri May 1, 2026, 10:00 AM

FFWEWX The National Weather Service in Austin/San Antonio has issued a * Flash Flood Warning for... Bexar County in south central Texas... Southeastern Comal County in south central Texas... Central Guadalupe County in south central Texas... East Central Medina County in south central Texas... * Until 1000 AM CDT. * At 508 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts of 2 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... San Antonio, New Braunfels, Schertz, Seguin, Cibolo, Converse, Universal City, Live Oak, Selma, Castroville, San Antonio Int Airport, Randolph AFB, Stinson Municipal Airport, Leon Valley, Helotes, Kirby, Alamo Heights, Windcrest, Terrell Hills and Garden Ridge.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Stay away or be swept away. River banks and culverts can become unstable and unsafe.