Heavy Snow in the Central/Southern Rockies; Below Average Temperatures in the Central and Eastern US

Moderate to heavy snowfall is expected in the central/southern Rockies and adjacent High Plains today. Lake-enhanced snowfall is expected downwind of the Great Lakes today. Showers and thunderstorms will be possible this evening into tonight across the western Gulf Coast states. Temperatures across much of the central and eastern CONUS will remain below average and chilly to end the week. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fog/Mist

54°F

12°C

Humidity	97%
Wind Speed	Calm
Barometer	29.98 in (1015.0 mb)
Dewpoint	53°F (12°C)
Visibility	2.00 mi
Last update	3 Dec 1:56 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: 58 °F
Slight Chance
Drizzle
Tonight
Low: 51 °F
Chance
Showers and
Patchy Fog
Thursday
High: 52 °F⇓
Chance
Showers and
Patchy Fog
Thursday Night
Low: 43 °F
Cloudy then
Chance
Showers
Friday
High: 54 °F
Slight Chance
Showers then
Mostly Cloudy
Friday Night
Low: 45 °F
Mostly Cloudy
Saturday
High: 72 °F
Mostly Sunny
Saturday Night
Low: 49 °F
Mostly Clear
Sunday
High: 67 °F
Sunny

Detailed Forecast

This Afternoon

A slight chance of drizzle. Mostly cloudy, with a high near 58. South wind around 5 mph becoming east southeast.

Tonight

A chance of showers and thunderstorms. Patchy fog after 11pm. Otherwise, cloudy, with a low around 51. Light and variable wind becoming north 5 to 10 mph after midnight. Chance of precipitation is 30%.

Thursday

A 50 percent chance of showers before 3pm. Patchy fog before 7am. Otherwise, cloudy, with a temperature falling to around 48 by 5pm. North wind 10 to 15 mph, with gusts as high as 30 mph. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night

A 30 percent chance of showers after midnight. Cloudy, with a low around 43. North wind 5 to 15 mph, with gusts as high as 25 mph.

Friday

A 20 percent chance of showers before noon. Cloudy, with a high near 54. North wind around 5 mph becoming calm in the morning.

Friday Night

Mostly cloudy, with a low around 45. Southeast wind around 5 mph becoming calm.

Saturday

Mostly sunny, with a high near 72. Southwest wind 5 to 10 mph.

Saturday Night

Mostly clear, with a low around 49. South southwest wind 5 to 10 mph becoming northwest after midnight.

Sunday

Sunny, with a high near 67. North wind around 10 mph, with gusts as high as 20 mph.