Severe Thunderstorms in the Southern Plains; Heavy to Excessive Rainfall in South Central Texas

Widespread rain may produce flash flooding across the Southern Plains into the Ozarks today. Numerous instances of flash flooding are expected in south-central Texas, including the Hill Country. There will also be a risk of isolated severe thunderstorms across the southern Plains today, where an instance or two of severe wind, hail, or a brief tornado may occur. Read More >

Hazardous Weather Conditions

Flood Watch until November 21, 06:00 AM CST

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy

78°F

26°C

Humidity	69%
Wind Speed	S 16 mph
Barometer	30.01 in (1014.3 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	20 Nov 10:51 am CST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Alamo Heights TX

Flood Watch November 20, 10:57am until November 21, 06:00am

Click here for hazard details and duration

Flood Watch

Flood Watch November 20, 10:57am until November 21, 06:00am
NOW until 6:00am Fri
Flood Watch
Today
High: 83 °F
Chance
Showers then
Chance
T-storms
Tonight
Low: 68 °F
Chance
T-storms
Friday
High: 80 °F
Chance
Showers then
Slight Chance
Showers
Friday Night
Low: 66 °F
Slight Chance
T-storms then
Chance
Showers
Saturday
High: 80 °F
Chance
Showers
Saturday Night
Low: 66 °F
Chance
Showers
Sunday
High: 80 °F
Chance
Showers
Sunday Night
Low: 65 °F
Chance
T-storms

Detailed Forecast

Today

A chance of showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 83. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

Tonight

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. East wind 5 to 10 mph. New rainfall amounts between a half and three quarters of an inch possible.

Friday

A chance of showers and thunderstorms before noon, then a slight chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 80. West southwest wind around 5 mph becoming north northeast in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

A slight chance of showers, then a chance of showers and thunderstorms after 9pm. Increasing clouds, with a low around 66. Northeast wind around 5 mph. Chance of precipitation is 30%.

Saturday

A 40 percent chance of showers. Mostly cloudy, with a high near 80. East northeast wind 5 to 10 mph, with gusts as high as 20 mph.

Saturday Night

A 40 percent chance of showers. Mostly cloudy, with a low around 66. East wind around 10 mph, with gusts as high as 20 mph.

Sunday

A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 80. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

Sunday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind around 10 mph, with gusts as high as 20 mph.

Monday

Showers likely and possibly a thunderstorm before noon, then a chance of showers. Partly sunny, with a high near 75. South wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

Monday Night

Mostly clear, with a low around 52.

Tuesday

Sunny, with a high near 77.

Tuesday Night

Mostly clear, with a low around 54.

Wednesday

Mostly sunny, with a high near 73.