Tracking Two Storms Impacting the Central and Eastern U.S. Through This Weekend

Two storm systems will track through the central and eastern U.S. through this weekend with areas of gusty winds, rain, and heavy snow. Severe thunderstorms are forecast Friday from the central Gulf Coast into parts of the lower Mississippi, Tennessee and Ohio Valleys. Heavy to excessive rainfall is forecast from the lower Mississippi River Valley to the Tennessee Valley which may bring flooding. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

62°F

17°C

Humidity	80%
Wind Speed	N 6 mph
Barometer	29.87 in (1011.0 mb)
Dewpoint	56°F (13°C)
Visibility	10.00 mi
Last update	9 Jan 2:56 am CST

More Information:

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

Extended Forecast for

San Marcos TX

Overnight
Low: 58 °F
Mostly Cloudy
Friday
High: 74 °F
Chance
T-storms then
Showers
Likely
Friday Night
Low: 44 °F
Slight Chance
Showers then
Partly Cloudy
Saturday
High: 60 °F
Mostly Sunny
Saturday Night
Low: 32 °F
Mostly Cloudy
Sunday
High: 62 °F
Partly Sunny
Sunday Night
Low: 37 °F
Mostly Cloudy
Monday
High: 62 °F
Partly Sunny
Monday Night
Low: 40 °F
Mostly Cloudy
then Slight
Chance
Showers

Detailed Forecast

Overnight

Mostly cloudy, with a low around 58. Calm wind.

Friday

A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Cloudy, with a high near 74. Calm wind becoming north around 5 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 44. North wind 5 to 10 mph increasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

Saturday

Mostly sunny, with a high near 60. North wind 15 to 20 mph, with gusts as high as 35 mph.

Saturday Night

Mostly cloudy, with a low around 32. North wind 5 to 10 mph, with gusts as high as 20 mph.

Sunday

Partly sunny, with a high near 62. North northwest wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.

Sunday Night

Mostly cloudy, with a low around 37. Northeast wind around 5 mph becoming calm in the evening.

Monday

Partly sunny, with a high near 62. Calm wind becoming south southeast around 5 mph.

Monday Night

A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 40. South southeast wind around 5 mph becoming calm.