Storm Impacting the Southwest U.S.

A slow moving weather disturbance will continue to bring periodic rain showers, a few isolated thunderstorms, and a localized flash flooding across the Southwest. The threat will expand into the Southern Plains Wednesday night. Moderate to heavy snow across the Sierra Nevada and southern Utah Ranges will continue into the overnight period. 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 Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

73°F

23°C

Humidity	90%
Wind Speed	E 5 mph
Barometer	30.07 in (1017.7 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	19 Nov 5:56 am CST

More Information:

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

Extended Forecast for

Driftwood TX

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

Click here for hazard details and duration

Flood Watch

Today
High: 83 °F
Chance
Showers
Tonight
Low: 67 °F
Chance
Showers
Thursday
High: 80 °F
Showers
Thursday Night
Low: 63 °F
Showers
Likely
Friday
High: 79 °F
Chance
Showers
Friday Night
Low: 57 °F
Partly Cloudy
Saturday
High: 77 °F
Chance
Showers
Saturday Night
Low: 58 °F
Chance
Showers then
Chance
T-storms
Sunday
High: 75 °F
Showers
Likely

Detailed Forecast

Today

A chance of showers, with thunderstorms also possible after 9am. Mostly cloudy, with a high near 83. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Tonight

A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Showers likely, then showers and possibly a thunderstorm after noon. High near 80. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Southeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

Friday

A 40 percent chance of showers, mainly before noon. Mostly sunny, with a high near 79. Southwest wind around 5 mph becoming north northwest in the afternoon.

Friday Night

Partly cloudy, with a low around 57. Calm wind becoming north around 5 mph after midnight.

Saturday

A 30 percent chance of showers, mainly after noon. Mostly sunny, with a high near 77. North wind 5 to 10 mph becoming east in the afternoon.

Saturday Night

A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 58. East wind around 5 mph. Chance of precipitation is 50%.

Sunday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Southeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

Sunday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

Monday

Showers likely. Partly sunny, with a high near 72. Chance of precipitation is 60%.

Monday Night

A 30 percent chance of showers. Partly cloudy, with a low around 51.

Tuesday

A 20 percent chance of showers. Sunny, with a high near 72.