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 Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

79°F

26°C

Humidity	72%
Wind Speed	S 17 G 23 mph
Barometer	30.02 in (1015.8 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	20 Nov 10:56 am CST

More Information:

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

Extended Forecast for

Kyle TX

Flood Watch November 20, 11:40am until November 21, 06:00am

Click here for hazard details and duration

Flood Watch

Flood Watch November 20, 11:40am until November 21, 06:00am
NOW until 6:00am Fri
Flood Watch
Today
High: 82 °F
Chance
T-storms
Tonight
Low: 65 °F
Showers
Likely then
Chance
Showers
Friday
High: 80 °F
Chance
Showers
Friday Night
Low: 61 °F
Slight Chance
Showers then
Chance
T-storms
Saturday
High: 76 °F
Chance
Showers
Saturday Night
Low: 59 °F
Slight Chance
Showers
Sunday
High: 76 °F
Chance
Showers
Sunday Night
Low: 63 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

Today

A chance of showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 82. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and 3am, then a chance of showers after 3am. Mostly cloudy, with a low around 65. South wind 5 to 10 mph becoming northeast in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Friday

A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 3pm. Cloudy through mid morning, then gradual clearing, with a high near 80. West southwest wind around 5 mph becoming north in the afternoon. Chance of precipitation is 40%.

Friday Night

A slight chance of showers, then a chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 61. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 30%.

Saturday

A 30 percent chance of showers, mainly before noon. Mostly sunny, with a high near 76. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

Saturday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 59. Northeast wind around 5 mph.

Sunday

A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 76. East northeast wind 5 to 10 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

Sunday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South wind around 10 mph, with gusts as high as 20 mph.

Monday

Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. High near 77. South southwest wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

Monday Night

Mostly clear, with a low around 50.

Tuesday

Sunny, with a high near 77.

Tuesday Night

Partly cloudy, with a low around 49.

Wednesday

Mostly sunny, with a high near 65.