Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

62°F

17°C

Humidity	73%
Wind Speed	E 5 mph
Barometer	30.13 in (1019.8 mb)
Dewpoint	53°F (12°C)
Visibility	7.00 mi
Last update	23 Nov 12:56 pm CST

More Information:

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

Extended Forecast for

San Marcos TX

This Afternoon
High: 72 °F
Cloudy
Tonight
Low: 66 °F
Chance
Showers
Monday
High: 80 °F
Showers
Likely
Monday Night
Low: 54 °F
Chance
Showers then
Mostly Clear
Tuesday
High: 79 °F
Sunny
Tuesday Night
Low: 51 °F
Partly Cloudy
Wednesday
High: 65 °F
Sunny
Wednesday Night
Low: 42 °F
Mostly Clear
Thanksgiving Day
High: 68 °F
Sunny

Detailed Forecast

This Afternoon

Cloudy, with a high near 72. East southeast wind 5 to 10 mph.

Tonight

A 30 percent chance of showers, mainly after 3am. Cloudy, with a low around 66. East southeast wind 5 to 10 mph.

Monday

A chance of showers, then showers likely and possibly a thunderstorm after noon. Cloudy, then gradually becoming mostly sunny, with a high near 80. South wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly clear, with a low around 54. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Tuesday

Sunny, with a high near 79. Northwest wind around 5 mph becoming northeast in the afternoon.

Tuesday Night

Partly cloudy, with a low around 51. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.

Wednesday

Sunny, with a high near 65. North northeast wind 10 to 15 mph, with gusts as high as 30 mph.

Wednesday Night

Mostly clear, with a low around 42. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

Thanksgiving Day

Sunny, with a high near 68. North northeast wind around 5 mph becoming east southeast in the afternoon.

Thursday Night

Partly cloudy, with a low around 48.