Storm Impacting the Southwest U.S.

A slow moving weather disturbance will continue to bring periodic rain showers, a few isolated thunderstorms, and a localized flash flooding across the Southwest. The threat will expand into the Southern Plains Wednesday night. Moderate to heavy snow across the Sierra Nevada and southern Utah Ranges will continue into the overnight period. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

73°F

23°C

Humidity	87%
Wind Speed	S 6 mph
Barometer	30.06 in (1017.1 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	19 Nov 12:56 am CST

More Information:

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

Extended Forecast for

San Marcos Municipal Airport TX

Overnight
Low: 67 °F
Slight Chance
Drizzle
Wednesday
High: 85 °F
Chance
T-storms then
Chance
Showers
Wednesday Night
Low: 68 °F
Slight Chance
T-storms then
Chance
Showers
Thursday
High: 83 °F
Showers
Likely
Thursday Night
Low: 65 °F
Showers
Likely
Friday
High: 81 °F
Chance
Showers
Friday Night
Low: 59 °F
Slight Chance
Showers then
Partly Cloudy
Saturday
High: 79 °F
Chance
Showers
Saturday Night
Low: 60 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

Overnight

A slight chance of drizzle. Mostly cloudy, with a low around 67. South wind around 5 mph.

Wednesday

A chance of drizzle and thunderstorms before noon, then a chance of showers and thunderstorms, mainly between noon and 3pm. Mostly cloudy, with a high near 85. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Wednesday Night

A chance of showers and thunderstorms. Partly cloudy during the early evening, then becoming cloudy, with a low around 68. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Thursday

Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 83. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

Thursday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Southeast wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

Friday

A chance of showers and thunderstorms. Partly sunny, with a high near 81. South southwest wind around 5 mph becoming north in the afternoon. Chance of precipitation is 50%.

Friday Night

A 20 percent chance of showers before midnight. Partly cloudy, with a low around 59. North wind around 5 mph becoming calm.

Saturday

A 30 percent chance of showers, mainly after noon. Mostly sunny, with a high near 79. East northeast wind 5 to 10 mph.

Saturday Night

A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 60. East northeast wind 5 to 10 mph. Chance of precipitation is 50%.

Sunday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.

Sunday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

Monday

Showers likely. Partly sunny, with a high near 75. Chance of precipitation is 60%.

Monday Night

A 30 percent chance of showers. Partly cloudy, with a low around 51.

Tuesday

A 20 percent chance of showers. Sunny, with a high near 73.