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 >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

77°F

25°C

Humidity	77%
Wind Speed	S 17 mph
Barometer	30.03 in (1016.2 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	20 Nov 9:56 am CST

More Information:

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

Extended Forecast for

2 Miles WNW Martindale TX

Today
High: 83 °F
Chance
Showers then
Chance
T-storms
Tonight
Low: 66 °F
Chance
T-storms then
Chance
Showers
Friday
High: 81 °F
Chance
Showers then
Slight Chance
T-storms
Friday Night
Low: 63 °F
Slight Chance
T-storms then
Chance
Showers
Saturday
High: 79 °F
Chance
Showers
Saturday Night
Low: 63 °F
Chance
Showers
Sunday
High: 79 °F
Chance
Showers
Sunday Night
Low: 62 °F
Chance
T-storms
Monday
High: 75 °F
Showers
Likely

Detailed Forecast

Today

A chance of showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 83. South southeast 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. Increasing clouds, with a low around 66. South southeast wind 5 to 10 mph becoming northeast in the evening. Winds could gust as high as 20 mph. 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, then a slight chance of showers and thunderstorms after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 81. South southwest wind around 5 mph becoming north northeast in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

A 30 percent chance of showers and thunderstorms, mainly after midnight. Increasing clouds, with a low around 63. Calm wind becoming north around 5 mph after midnight.

Saturday

A 30 percent chance of showers. Partly sunny, with a high near 79. 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 63. East northeast wind 5 to 10 mph.

Sunday

A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 79. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Sunday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. 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 around 10 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

Monday Night

A 20 percent chance of showers before midnight. Mostly clear, with a low around 49.

Tuesday

Sunny, with a high near 77.

Tuesday Night

Mostly clear, with a low around 50.

Wednesday

A 20 percent chance of showers. Mostly sunny, with a high near 71.