Severe Thunderstorms and Heavy Rain in the Southern U.S.; Snow in the Northern Rockies and Northern Plains

A storm system will shift from eastern Texas into the lower Mississippi Valley today with additional threats of severe thunderstorms and heavy to excessive rainfall which may bring flooding. In the northern U.S., a storm will bring heavy snow and gusty winds over parts of the northern Rockies, northern Plains, and Upper Midwest today into Wednesday. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fog/Mist

71°F

22°C

Humidity	73%
Wind Speed	SW 3 mph
Barometer	29.85 in (1010.3 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Last update	24 Nov 3:56 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: 73 °F
Chance
T-storms
Tonight
Low: 52 °F
Mostly Clear
Tuesday
High: 80 °F
Sunny
Tuesday Night
Low: 51 °F
Mostly Clear
Wednesday
High: 65 °F
Sunny
Wednesday Night
Low: 40 °F
Mostly Clear
Thanksgiving Day
High: 66 °F
Sunny
Thursday Night
Low: 46 °F
Partly Cloudy
Friday
High: 70 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

A 40 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 73. West wind 5 to 10 mph, with gusts as high as 20 mph.

Tonight

Mostly clear, with a low around 52. West northwest wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 80. North wind around 5 mph.

Tuesday Night

Mostly clear, with a low around 51. North northeast wind 5 to 15 mph, with gusts as high as 25 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 40. North northeast wind around 5 mph.

Thanksgiving Day

Sunny, with a high near 66. East northeast wind around 5 mph.