Tracking Two Storms Impacting the Northern U.S. Through Thanksgiving and into This Weekend

Heavy lake effect snow and gusty winds, including some local blizzard conditions, will continue into Thanksgiving Day across the Great Lakes then lingering through Friday night for Lakes Erie and Ontario. Confidence is increasing for another winter storm to develop over the northern and central Rockies Friday and track across the central Plains through the Midwest and Great Lakes this weekend. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

47°F

8°C

Humidity	61%
Wind Speed	N 7 mph
Barometer	30.37 in (1028.3 mb)
Dewpoint	34°F (1°C)
Visibility	10.00 mi
Wind Chill	44°F (7°C)
Last update	27 Nov 5:56 am CST

More Information:

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

Extended Forecast for

San Marcos TX

Thanksgiving Day
High: 64 °F
Partly Sunny
Tonight
Low: 49 °F
Mostly Cloudy
Friday
High: 66 °F
Mostly Cloudy
then Slight
Chance
Showers
Friday Night
Low: 59 °F
Showers
Likely
Saturday
High: 75 °F
Chance
T-storms
Saturday Night
Low: 41 °F
Chance
Showers
Sunday
High: 52 °F
Mostly Cloudy
Sunday Night
Low: 38 °F
Mostly Cloudy
then Slight
Chance
Showers
Monday
High: 49 °F
Slight Chance
Showers

Detailed Forecast

Thanksgiving Day

Partly sunny, with a high near 64. East northeast wind around 5 mph.

Tonight

Mostly cloudy, with a low around 49. East northeast wind around 5 mph becoming calm in the evening.

Friday

A 20 percent chance of showers after noon. Mostly cloudy, with a high near 66. East northeast wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

Friday Night

Showers likely, with thunderstorms also possible after 9pm. Cloudy, with a low around 59. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

Saturday

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75. South wind 5 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.

Saturday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 41. West southwest wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%.

Sunday

Mostly cloudy, with a high near 52. North wind 10 to 15 mph, with gusts as high as 30 mph.

Sunday Night

A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 38. North northeast wind around 10 mph, with gusts as high as 20 mph.

Monday

A 20 percent chance of showers. Cloudy, with a high near 49. North northeast wind around 10 mph.

Monday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 35.

Tuesday

Mostly sunny, with a high near 55.

Tuesday Night

Partly cloudy, with a low around 36.