Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk through the Weekend on the East Coast; Flash Flooding Concerns in the Southeast and Southwest

A dangerous, record heat wave continues across portions of the West through Tuesday. High rip current risk and dangerous surf continue through the weekend. There are flash flooding concerns through the weekend for portions of the Southeast and Southwest. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

A Few Clouds

92°F

33°C

Humidity	46%
Wind Speed	E 10 G 18 mph
Barometer	30.02 in (1015.7 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	96°F (36°C)
Last update	23 Aug 12:56 pm CDT

More Information:

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

Extended Forecast for

5 Miles WSW Martindale TX

This Afternoon
High: 94 °F
Slight Chance
T-storms
Tonight
Low: 73 °F
Mostly Clear
Sunday
High: 96 °F
Sunny
Sunday Night
Low: 73 °F
Mostly Clear
Monday
High: 96 °F
Sunny
Monday Night
Low: 74 °F
Mostly Clear
Tuesday
High: 95 °F
Mostly Sunny
then Chance
T-storms
Tuesday Night
Low: 73 °F
Chance
T-storms
Wednesday
High: 92 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. East northeast wind around 10 mph.

Tonight

Mostly clear, with a low around 73. East northeast wind 5 to 10 mph becoming light and variable in the evening.

Sunday

Sunny, with a high near 96. Heat index values as high as 100. Calm wind becoming east around 5 mph in the afternoon.

Sunday Night

Mostly clear, with a low around 73. East wind 5 to 10 mph becoming light and variable in the evening.

Monday

Sunny, with a high near 96. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

Monday Night

Mostly clear, with a low around 74. South southeast wind 5 to 10 mph becoming light south after midnight.

Tuesday

A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Calm wind becoming south southeast around 5 mph in the morning.

Tuesday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. East southeast wind 5 to 10 mph becoming light southeast after midnight.

Wednesday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Calm wind becoming east around 5 mph in the morning.

Wednesday Night

Partly cloudy, with a low around 73.

Thursday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.

Thursday Night

Mostly clear, with a low around 74.

Friday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.