Thunderstorms and Heavy Rainfall in the Central Plains and Midwest; Heavy Rain and Flooding Concerns in the Southern Plains This Weekend

Strong thunderstorms are forecast across parts of the Central Plains and Midwest through Friday morning, with damaging wind gusts, large hail, and heavy rainfall as the primary threats. Over the weekend, heavy to excessive rainfall and flash flooding concerns will return to portions of Oklahoma and Texas. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

77°F

25°C

Humidity	77%
Wind Speed	S 8 mph
Barometer	30.02 in (1015.9 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	10 Jul 10:56 pm CDT

More Information:

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

Extended Forecast for

San Marcos TX

Tonight
Low: 74 °F
Increasing
Clouds
Friday
High: 93 °F
Decreasing
Clouds
Friday Night
Low: 75 °F
Partly Cloudy
Saturday
High: 92 °F
Partly Sunny
then Chance
T-storms
Saturday Night
Low: 75 °F
Partly Cloudy
Sunday
High: 93 °F
Partly Sunny
then Chance
T-storms
Sunday Night
Low: 74 °F
Mostly Cloudy
Monday
High: 93 °F
Mostly Sunny
Monday Night
Low: 75 °F
Partly Cloudy

Detailed Forecast

Tonight

Increasing clouds, with a low around 74. South wind 5 to 10 mph, with gusts as high as 20 mph.

Friday

Mostly cloudy, then gradually becoming sunny, with a high near 93. Heat index values as high as 102. South wind 5 to 15 mph, with gusts as high as 25 mph.

Friday Night

Partly cloudy, with a low around 75. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

Saturday

A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 101. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

Saturday Night

Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

Sunday

A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

Sunday Night

Mostly cloudy, with a low around 74. South southeast wind 5 to 10 mph.

Monday

Mostly sunny, with a high near 93. South wind 5 to 10 mph, with gusts as high as 20 mph.

Monday Night

Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph.

Tuesday

Mostly sunny, with a high near 95.

Tuesday Night

Partly cloudy, with a low around 75.

Wednesday

Mostly sunny, with a high near 97.