Heavy Rain in the Southeast; Wintry Mix from the Plains through the Ohio Valley

A storm system will bring a number impacts to the central and eastern US. Heavy rain and thunderstorms are expected in the Gulf Coast and Deep South. Further north, a wintry mix may produce a glaze of ice from the Ozarks/Mid-South east through the Ohio Valley. Accumulating snow is expected from the central Plains east into the Upper Ohio Valley/Lower Great Lakes. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

44°F

7°C

Humidity	93%
Wind Speed	N 12 mph
Barometer	30.06 in (1017.8 mb)
Dewpoint	42°F (6°C)
Visibility	10.00 mi
Wind Chill	38°F (3°C)
Last update	1 Dec 3:56 pm CST

More Information:

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

Extended Forecast for

San Marcos Municipal Airport TX

This Afternoon
High: 49 °F
Slight Chance
Sprinkles
Tonight
Low: 34 °F
Partly Cloudy
Tuesday
High: 59 °F
Sunny
Tuesday Night
Low: 39 °F
Partly Cloudy
Wednesday
High: 66 °F
Mostly Cloudy
Wednesday Night
Low: 47 °F
Chance
Showers
Thursday
High: 54 °F
Chance
Showers
Thursday Night
Low: 39 °F
Chance
Showers
Friday
High: 57 °F
Slight Chance
Showers then
Mostly Cloudy

Detailed Forecast

This Afternoon

A slight chance of sprinkles. Cloudy, with a high near 49. North northeast wind around 10 mph.

Tonight

Partly cloudy, with a low around 34. North wind around 10 mph.

Tuesday

Sunny, with a high near 59. North wind 5 to 10 mph becoming east southeast in the afternoon.

Tuesday Night

Partly cloudy, with a low around 39. South wind around 5 mph.

Wednesday

Mostly cloudy, with a high near 66. South wind 5 to 10 mph.

Wednesday Night

A 40 percent chance of showers. Cloudy, with a low around 47. East southeast wind 5 to 10 mph becoming north 10 to 15 mph after midnight. Winds could gust as high as 20 mph.

Thursday

A 40 percent chance of showers. Cloudy, with a high near 54. North wind 15 to 20 mph, with gusts as high as 30 mph.

Thursday Night

A 40 percent chance of showers. Cloudy, with a low around 39. North wind 10 to 15 mph, with gusts as high as 25 mph.

Friday

A 20 percent chance of showers before noon. Mostly cloudy, with a high near 57. North wind 5 to 10 mph becoming southeast in the afternoon.

Friday Night

Mostly cloudy, with a low around 43.

Saturday

Mostly sunny, with a high near 71.

Saturday Night

Mostly clear, with a low around 46.