Major Storm Pounding California; Winter Weather Threats Through This Weekend From the Central to Eastern U.S.

The last and strongest in a week-long parade of Pacific storms is pounding California with a variety of hazards, including heavy rainfall, mountain snow and flooding near recent wildfire burn scars. Meanwhile, a weak, progressive system may produce light snow from the Ohio Valley into the northern Mid-Atlantic region through early Friday. Then a major winter storm will develop for the weekend. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

En Español

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

68°F

20°C

Humidity	63%
Wind Speed	S 6 mph
Barometer	30.17 in (1021.1 mb)
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Last update	17 Jan 12:56 pm CST

More Information:

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

Extended Forecast for

San Marcos TX

This
Afternoon

Sunny
High: 74 °F
Tonight

Partly Cloudy
then Patchy
Fog
Low: 52 °F
Friday

Slight Chance
Showers and
Patchy Fog
High: 72 °F
Friday
Night

Chance
Showers
Low: 47 °F
Saturday

Sunny and
Breezy
High: 54 °F
Saturday
Night

Clear
Low: 33 °F
Sunday

Sunny
High: 54 °F
Sunday
Night

Clear
Low: 34 °F
M.L.King
Day

Sunny
High: 63 °F

Detailed Forecast

This Afternoon

Sunny, with a high near 74. West northwest wind around 5 mph becoming northeast.

Tonight

Patchy fog after 3am. Otherwise, increasing clouds, with a low around 52. East northeast wind around 5 mph becoming calm.

Friday

A 20 percent chance of showers. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 72. South southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

Friday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 47. South southwest wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 25 mph.

Saturday

Sunny, with a high near 54. Breezy, with a north northwest wind 20 to 25 mph, with gusts as high as 35 mph.

Saturday Night

Clear, with a low around 33. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.

Sunday

Sunny, with a high near 54. North northwest wind 5 to 10 mph becoming east in the afternoon.

Sunday Night

Clear, with a low around 34. East wind around 5 mph becoming south after midnight.

M.L.King Day

Sunny, with a high near 63. South wind 5 to 10 mph increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

Monday Night

Mostly clear, with a low around 48.