Blizzard Conditions Are Forecast Across Parts of the Northern Plains and Upper Great Lakes

In the north-central U.S., a strong storm will continue to bring heavy snow and gusty to high winds over parts of the northern Plains and Upper Midwest tonight before moving across the Great Lakes with heavy lake effect snow Wednesday into Thanksgiving Day. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

64°F

18°C

Humidity	70%
Wind Speed	NE 12 mph
Barometer	30.13 in (1019.6 mb)
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	25 Nov 9:56 pm CST

More Information:

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

Extended Forecast for

2 Miles E San Marcos TX

Tonight
Low: 50 °F
Mostly Clear
Wednesday
High: 65 °F
Sunny
Wednesday Night
Low: 41 °F
Mostly Clear
Thanksgiving Day
High: 68 °F
Sunny
Thursday Night
Low: 46 °F
Partly Cloudy
Friday
High: 69 °F
Mostly Cloudy
Friday Night
Low: 60 °F
Chance
Showers
Saturday
High: 77 °F
Chance
Showers
Saturday Night
Low: 44 °F
Chance
T-storms

Detailed Forecast

Tonight

Mostly clear, with a low around 50. 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 20 mph, with gusts as high as 30 mph.

Wednesday Night

Mostly clear, with a low around 41. Northeast wind around 5 mph becoming calm in the evening.

Thanksgiving Day

Sunny, with a high near 68. East wind around 5 mph.

Thursday Night

Partly cloudy, with a low around 46. East wind around 5 mph becoming calm in the evening.

Friday

Mostly cloudy, with a high near 69. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

Friday Night

A 40 percent chance of showers. Cloudy, with a low around 60. South southeast wind around 10 mph, with gusts as high as 25 mph.

Saturday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 77. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

Saturday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 44. West southwest wind 5 to 15 mph becoming north in the evening. Winds could gust as high as 20 mph.

Sunday

A 20 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 56.

Sunday Night

A 20 percent chance of showers and thunderstorms. Cloudy, with a low around 41.

Monday

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 54.

Monday Night

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 37.

Tuesday

A 20 percent chance of showers. Partly sunny, with a high near 54.