Flash Flooding Continuing Along the Gulf Coast; Dry Thunderstorms in the West

Excessive rainfall continues to produce life-threatening, locally catastrophic flash flooding along the central Gulf Coast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts Oregon, California, and the Great Basin into the weekend. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair with Haze

85°F

29°C

Humidity	63%
Wind Speed	N 13 mph
Barometer	29.94 in (1013.1 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	90°F (32°C)
Last update	19 Jun 2:56 pm CDT

More Information:

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

Extended Forecast for

2 Miles WSW San Marcos TX

Juneteenth
High: 91 °F
Chance
T-storms
Tonight
Low: 77 °F
Chance
T-storms
Saturday
High: 91 °F
Chance
T-storms
Saturday Night
Low: 77 °F
Partly Cloudy
then Slight
Chance
T-storms
Sunday
High: 94 °F
Mostly Sunny
Sunday Night
Low: 78 °F
Partly Cloudy
Monday
High: 95 °F
Mostly Sunny
Monday Night
Low: 77 °F
Mostly Clear
Tuesday
High: 95 °F
Mostly Sunny

Detailed Forecast

Juneteenth

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. Heat index values as high as 105. Northeast wind 5 to 10 mph.

Tonight

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Southeast wind 5 to 10 mph.

Saturday

A slight chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 91. Heat index values as high as 103. South southeast wind 5 to 10 mph. Chance of precipitation is 30%.

Saturday Night

A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Increasing clouds, with a low around 77. South wind 5 to 10 mph. Chance of precipitation is 20%.

Sunday

Mostly sunny, with a high near 94. South wind 10 to 15 mph, with gusts as high as 25 mph.

Sunday Night

Partly cloudy, with a low around 78. South wind around 15 mph, with gusts as high as 25 mph.

Monday

Mostly sunny, with a high near 95. South wind 10 to 15 mph, with gusts as high as 25 mph.

Monday Night

Mostly clear, with a low around 77. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

Tuesday

Mostly sunny, with a high near 95. South wind 5 to 10 mph.

Tuesday Night

Mostly clear, with a low around 76.