Severe Weather Threats Across the Plains; Dangerous Heat and Wildfire Concerns for the West; Watching the Tropics

Severe thunderstorms are expected across the Central Plains accompanied by damaging wind gusts and large hail. In addition, heavy rainfall may lead to instances of flash flooding from the Plains and mid-Atlantic regions. The heavy rainfall threat continues across Florida and across the northern Gulf as we monitor a tropical disturbance tracking westward. Critical fire weather for the Great Basin. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

A Few Clouds

93°F

34°C

Humidity	49%
Wind Speed	SE 16 mph
Barometer	29.95 in (1013.3 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	100°F (38°C)
Last update	15 Jul 5:56 pm CDT

More Information:

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

Extended Forecast for

5 Miles SW San Marcos TX

Tonight
Low: 75 °F
Increasing
Clouds
Wednesday
High: 96 °F
Decreasing
Clouds
Wednesday Night
Low: 72 °F
Partly Cloudy
Thursday
High: 95 °F
Mostly Sunny
Thursday Night
Low: 72 °F
Partly Cloudy
Friday
High: 92 °F
Partly Sunny
Friday Night
Low: 74 °F
Mostly Cloudy
Saturday
High: 95 °F
Mostly Sunny
Saturday Night
Low: 75 °F
Partly Cloudy

Detailed Forecast

Tonight

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

Wednesday

Mostly cloudy, then gradually becoming sunny, with a high near 96. Heat index values as high as 102. South wind 5 to 10 mph, with gusts as high as 20 mph.

Wednesday Night

Partly cloudy, with a low around 72. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

Thursday

Mostly sunny, with a high near 95. Heat index values as high as 100. South wind around 5 mph.

Thursday Night

Partly cloudy, with a low around 72. Southeast wind around 5 mph.

Friday

Partly sunny, with a high near 92. Calm wind becoming south around 5 mph in the morning.

Friday Night

Mostly cloudy, with a low around 74. East southeast wind around 5 mph becoming south after midnight.

Saturday

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