Tropical System in the Gulf of Mexico; Excessive Rainfall and Severe Storm Potential for the Plains

A tropical system in the Gulf of Mexico is forecast to track southward and away from Florida; However, this system will enhance rainfall potential across South Florida through Friday. Meanwhile, heavy to excessive rainfall and severe thunderstorms are expected for portions of the Plains. For the Great Lakes, Northeast and Mid-Atlantic, new daily record high temperatures are expected later Friday. Read More >

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Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

69°F

21°C

Humidity	100%
Wind Speed	SE 5 mph
Barometer	29.92 in (1012.0 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	2 Jun 2:56 am CDT

More Information:

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

Extended Forecast for

San Marcos TX

Overnight

Mostly Cloudy
Low: 68 °F
Friday

Decreasing
Clouds
High: 90 °F
Friday
Night

Mostly Clear
Low: 66 °F
Saturday

Mostly Sunny
High: 90 °F
Saturday
Night

Slight Chance
T-storms
Low: 68 °F
Sunday

Chance
T-storms
High: 88 °F
Sunday
Night

Chance
T-storms
Low: 66 °F
Monday

Chance
T-storms
High: 85 °F
Monday
Night

Slight Chance
T-storms
Low: 66 °F

Detailed Forecast

Overnight

Mostly cloudy, with a low around 68. South southeast wind around 5 mph.

Friday

Mostly cloudy, then gradually becoming sunny, with a high near 90. South southeast wind 5 to 10 mph.

Friday Night

Mostly clear, with a low around 66. Southeast wind 5 to 10 mph becoming west after midnight.

Saturday

Mostly sunny, with a high near 90. Light and variable wind becoming south southeast 5 to 10 mph in the morning.

Saturday Night

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southeast wind 5 to 10 mph becoming southwest after midnight.

Sunday

A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 88. Light and variable wind becoming east 5 to 10 mph in the morning.

Sunday Night

A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 66. Northeast wind 5 to 10 mph.

Monday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. North northwest wind 5 to 10 mph becoming southeast in the afternoon.

Monday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. East wind around 5 mph becoming south after midnight.

Tuesday

A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85.

Tuesday Night

Partly cloudy, with a low around 66.

Wednesday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.

Wednesday Night

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.

Thursday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.