Heavy rain hits San Antonio overnight, causes flooding across area

SAN ANTONIO – Heavy rain hit the San Antonio area overnight prompting flood warnings and some high water rescues. Get the latest updates right here.

UPDATE 8:45 a.m. from NWS: New Flood Advisory for southern Uvalde and northern Maverick counties until 10:45 a.m.

UPDATE 8:10 a.m. from NWS: Highest 24-hour rainfall seen this morning -- 11.11 inches 4 miles NNW of Gonzales. 

UPDATE 7 a.m.: 24 hour metro rainfall totals from actual observation sites. Over 6 inches reported in Castroville & Gonzales.

UPDATE: 6:47 a.m.: NWS has extended the Flash Flood Warning for Bexar, Atascosa, and Frio counties until 9:30a.m.

UPDATE: 6:06 am Sunday: A number of low water crossings already closed. Be careful if driving in Comal County.

UPDATE: 5:45 AM Sunday from NWS: River Flood Warning for the Guadalupe between Gonzales and Cuero.

UPDATE: 5:30 AM Sunday: Numerous Flash Flood Warnings remain in effect across the San Antonio metro area. Turn Around Don't Drown!

Click here to see live Doppler Radar

Click here for the latest road closures in Bexar County

UPDATE 5:15 AM Sunday: Flood Advisory for northern Bexar County until 7 am. Slow down and pay close attention to the road.

UPDATE 4:30 AM -- NWS Report: Two water rescues reported on the south side of San Antonio. Bascum Blvd at Deely Place and Interstate 35 at Nogalitos. 

UPDATE: Flash Flooding has been ongoing east of San Antonio with 8 inches of rain in 5 hours reported in Gonzales along with reports of water covering roads in parts of Wilson County Sunday evening. 

There is the chance of Flash Flooding elsewhere tonight into early Sunday with 4"-8" (locally higher) of rain possible, so be extra cautious if travellng.

UPDATE 9:50 p.m.- NWS: Flash flood warning for Gonzalez, Guadalupe, Wilson and Atascosa counties was extended until 2 a.m. Sunday. 

UPDATE from NWS: A significant flash flood event is becoming more likely.  

The main focus of the flooding will be along the I-35 corridor into the Hill Country with the highest potential in the San Antonio to southern Austin areas.

The heaviest rains will be late this evening through Sunday morning. However, heavy rains are expected anytime through Sunday evening.

Widespread rainfall amounts of 4 to 8 inches are expected with isolated areas up to 15 inches possible.

Significant river flooding is also possible. Numerous roads will likely be closed making travel difficult.

Click here to see live Doppler Radar

PREVIOUS REPORTS:

A flash flood watch is in effect until Sunday 7 p.m. for the San Antonio area and Hill Country.

Rainfall totals of 4 to 6 inches are possible. Some isolated areas could see up to 10 inches.

UPDATE: A message from CITY OF OLMOS PARK. Gates 2 are now closed due to weather hazards. These gates are located on Devine Rd.

Scroll through the KSAT 12 Weather & National Weather Service Twitter feeds for the latest up-to-the-minute weather updates.

Power Outages/ Road Closures

Keep up with the latest power outages in the San Antonio area on the CPS Energy website. Click here to view a current power outage map.

Click the links below for current road closures.

• San Antonio road closures 
• Bexar County road closures 
• TxDOT highway conditions

Below is a map of notable low water crossings in San Antonio.