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San Jose, TX Warnings, Watches and Advisories

SAFETY and DATA MESSAGE

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards San Jose.

Use the Radar Maps link provided to understand the trajectory of a storm.

NWS Active Alerts for TX - Map View

State: TX Total alerts: 9 Updated: Apr 21, 2026 7:55am CDT

Flash Flood Warning

Area
Williamson, TX
Flash Flood Warning issued April 21 at 7:06AM CDT until April 21 at 10:15AM CDT by NWS Austin/San Antonio TX

FFWEWX The National Weather Service in Austin/San Antonio has issued a * Flash Flood Warning for... Central Williamson County in south central Texas... * Until 1015 AM CDT. * At 706 AM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts of 1 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 and automated gauges. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Round Rock, Georgetown, Taylor, Serenada, Leander, Hutto, Liberty Hill, Jarrell, Florence, Thrall, Weir, Georgetown Dam, Sun City, Andice, Coupland, Jonah, Walburg, Theon, Waterloo and Seward Junction.

Coastal Flood Statement

Area
Kenedy Island; Willacy Island; Cameron Island
Coastal Flood Statement issued April 21 at 6:30AM CDT until April 21 at 2:00PM CDT by NWS Brownsville TX

* WHAT...Isolated minor coastal flooding expected. * WHERE...Kenedy Island, Willacy Island and Cameron Island Counties. * WHEN...Until 2 PM CDT this afternoon. * IMPACTS...Wave run-up may approach the dunes along narrow beaches. Beach equipment, such as umbrellas and chairs, could be moved by waves. Vehicles driving along narrow beaches may experience higher water levels. Elevated water levels may also occur across the Laguna Madre and South Bay, and along State Highway 4 west of Boca Chica State Park. * ADDITIONAL DETAILS...The most impactful coastal inundation will be near high tide at 11 AM.

Flood Advisory

Area
Burnet, TX; Travis, TX; Williamson, TX
Flood Advisory issued April 21 at 6:13AM CDT until April 21 at 9:15AM CDT by NWS Austin/San Antonio TX

* WHAT...Urban and small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of south central Texas, including the following counties, Burnet, Travis and Williamson. * WHEN...Until 915 AM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Dangerous flows over low-water crossings. Water over roadways. * ADDITIONAL DETAILS... - At 613 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. This will cause 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... Austin, Round Rock, Cedar Park, Georgetown, Pflugerville, Taylor, Elgin, Burnet, Marble Falls, Granger, Bertram, Serenada, Anderson Mill, Windemere, Buchanan Dam, Leander, Hutto, Manor, Lago Vista and Hudson Bend. - http://www.weather.gov/safety/flood

Flood Warning

Area
Karnes, TX; Wilson, TX
Flood Warning issued April 21 at 5:55AM CDT until April 22 at 10:25AM CDT by NWS Austin/San Antonio TX

...The Flood Warning continues for the following rivers in Texas... Cibolo Creek at Sutherland Springs affecting Karnes and Wilson Counties. * WHAT...Minor flooding is forecast. * WHERE...Cibolo Creek at Sutherland Springs. * WHEN...From this morning to late tomorrow morning. * ADDITIONAL DETAILS... - At 5:15 AM CDT Tuesday the stage was 8.6 feet. - Bankfull stage is 17.0 feet. - Forecast...The river is expected to rise above flood stage late this morning to a crest of 24.5 feet late this afternoon. It will then fall below flood stage late this evening. - Flood stage is 21.0 feet. - Flood History...This crest compares to a previous crest of 24.1 feet on 09/10/2018. - http://www.weather.gov/safety/flood

Fire Weather Watch

Area
Cimarron; Texas; Dallam; Sherman; Hartley; Moore; Oldham; Deaf Smith
Fire Weather Watch issued April 21 at 5:24AM CDT until April 22 at 9:00PM CDT by NWS Amarillo TX

* WINDS...Southwest 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 7 percent. * TEMPERATURES...In the mid 80s to low 90s. * IMPACTS...Any fires that develop will have the potential to spread rapidly. Outdoor burning is not recommended. * SEVERITY... FUELS (ERC)...70th-89th percentile...4 (out of 5). WEATHER...Critical...3 (out of 5). FIRE ENVIRONMENT...7 (out of 10).

Flood Warning

Area
Bexar, TX
Flood Warning issued April 21 at 4:32AM CDT until April 21 at 4:24PM CDT by NWS Austin/San Antonio TX

...The National Weather Service in Austin/San Antonio TX has issued a Flood Warning for the following rivers in Texas... Salado Creek At at Loop 13 affecting Bexar County. * WHAT...Minor flooding is occurring. * WHERE...Salado Creek at Loop 13. * WHEN...From early this morning to late this afternoon. * IMPACTS...At 18.0 feet, Minor lowland flooding reaches numerous access and secondary roads and low bridges. * ADDITIONAL DETAILS... - At 4:15 AM CDT Tuesday the stage was 18.3 feet. - Bankfull stage is 15.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 4:15 AM CDT Tuesday was 18.3 feet. - Forecast...The river is expected to rise to a crest of 19.0 feet this morning. - Flood stage is 18.0 feet. - Flood History...This crest compares to a previous crest of 18.2 feet on 04/25/2015. - http://www.weather.gov/safety/flood

Fire Weather Watch

Area
Sacramento Foothills and Guadalupe Mountains; Chaves County Plains; Eddy Plains; Lea; Guadalupe and Delaware Mountains; Van Horn and Highway 54 Corridor; Eastern Culberson County
Fire Weather Watch issued April 21 at 3:45AM CDT until April 22 at 11:00PM CDT by NWS Midland/Odessa TX

...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR 20-FT WINDS OF 20 MPH OR MORE, RELATIVE HUMIDITY OF 15% OR LESS, AND HIGH FIRE DANGER FOR SOUTHEAST NEW MEXICO, THE GUADALUPE AND DELAWARE MOUNTAINS, VAN HORN AND THE HIGHWAY 54 CORRIDOR, AND EASTERN CULBERSON COUNTY... * WINDS...Southwest 20 to 30 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 5 percent. * RFTI...6-8 or critical to extreme. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. * SEVERITY... FUELS (ERC)...50th-69th percentile...3 (out of 5). WEATHER...Near Critical...2 (out of 5). FIRE ENVIRONMENT...5 (out of 10).

Coastal Flood Advisory

Area
Aransas Islands; Kleberg Islands; Nueces Islands; Calhoun Islands
Coastal Flood Advisory issued April 21 at 12:45AM CDT until April 21 at 7:00PM CDT by NWS Corpus Christi TX

* WHAT...Minor coastal flooding expected. * WHERE...Aransas Islands, Kleberg Islands, Nueces Islands and Calhoun Islands Counties. * WHEN...From 4 AM early this morning to 7 PM CDT this evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected.

Rip Current Statement

Area
Matagorda Islands; Brazoria Islands; Galveston Island; Bolivar Peninsula
Rip Current Statement issued April 20 at 10:56PM CDT until April 22 at 1:00AM CDT by NWS Houston/Galveston TX

* WHAT...Dangerous rip currents. * WHERE...Gulf-facing beaches, including the Matagorda Peninsula, Brazoria County beaches, Galveston Island and the Bolivar Peninsula. * WHEN...Through late Tuesday night. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

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Overcast 69°F
30.08 inHg.
Barometer
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Humidity
ESE 16.9 mph
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