Thunderstorms and Widespread Rainfall Across the Southern Plains

Isolated severe thunderstorms and widespread showers may produce flash flooding across the Southern Plains through Thursday. Numerous instances of flash flooding are expected in south-central Texas, including portions of the Hill Country; and an additional area across eastern Oklahoma into the Ozarks on Thursday. Heavy rainfall and mountain snow will return to southern California on Thursday. Read More >

Hazardous Weather Conditions

Flood Watch in effect from November 20, 12:00 AM CST 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.

Overcast

77°F

25°C

Humidity	74%
Wind Speed	SE 14 mph
Barometer	30.07 in (1016.6 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	19 Nov 8:51 pm CST

More Information:

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

Extended Forecast for

3 Miles NNW Leon Valley TX

Flood Watch November 20, 12:00am until November 21, 06:00am

Click here for hazard details and duration

Flood Watch

Tonight
Low: 69 °F
Chance
Showers
Thursday
High: 80 °F
Showers
Thursday Night
Low: 67 °F
Showers
Likely
Friday
High: 80 °F
Chance
Showers then
Slight Chance
Showers
Friday Night
Low: 63 °F
Partly Cloudy
then Slight
Chance
Showers
Saturday
High: 77 °F
Chance
Showers then
Chance
T-storms
Saturday Night
Low: 63 °F
Chance
Showers
Sunday
High: 75 °F
Showers
Likely
Sunday Night
Low: 61 °F
Chance
T-storms

Detailed Forecast

Tonight

A chance of showers and thunderstorms. Cloudy, with a low around 69. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Thursday

Showers likely, then showers and possibly a thunderstorm after noon. High near 80. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Increasing clouds, with a low around 67. East wind around 5 mph becoming south southwest after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Friday

A 50 percent chance of showers, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 80. South southwest wind around 5 mph becoming north northeast in the afternoon.

Friday Night

A 20 percent chance of showers after midnight. Partly cloudy, with a low around 63. Northeast wind around 5 mph.

Saturday

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. Partly sunny, with a high near 77. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East southeast wind 5 to 10 mph. Chance of precipitation is 50%.

Sunday

Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 75. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

Sunday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Southeast wind around 10 mph, with gusts as high as 20 mph.

Monday

A 50 percent chance of showers. Partly sunny, with a high near 74.

Monday Night

A 20 percent chance of showers. Mostly clear, with a low around 51.

Tuesday

Sunny, with a high near 73.

Tuesday Night

Mostly clear, with a low around 51.

Wednesday

Mostly sunny, with a high near 70.