Dangerous Heat in the East; Critical Fire Weather in the Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair and Breezy

94°F

34°C

Humidity	46%
Wind Speed	S 21 G 26 mph
Barometer	29.99 in (1014.6 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	100°F (38°C)
Last update	29 Jun 1:56 pm CDT

More Information:

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

Extended Forecast for

2 Miles NW Martindale TX

This Afternoon
High: 96 °F
Haze
Tonight
Low: 75 °F
Increasing
Clouds
Tuesday
High: 94 °F
Mostly Sunny
Tuesday Night
Low: 76 °F
Increasing
Clouds
Wednesday
High: 94 °F
Mostly Sunny
Wednesday Night
Low: 75 °F
Mostly Clear
Thursday
High: 95 °F
Mostly Sunny
Thursday Night
Low: 76 °F
Partly Cloudy
Friday
High: 95 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Widespread haze. Sunny, with a high near 96. Heat index values as high as 102. South southeast wind 15 to 20 mph, with gusts as high as 30 mph.

Tonight

Increasing clouds, with a low around 75. South southeast wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

Tuesday

Mostly sunny, with a high near 94. South wind 5 to 10 mph, with gusts as high as 20 mph.

Tuesday Night

Increasing clouds, with a low around 76. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

Wednesday

Mostly sunny, with a high near 94. South wind 5 to 10 mph, with gusts as high as 20 mph.

Wednesday Night

Mostly clear, with a low around 75. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

Thursday

Mostly sunny, with a high near 95. Light south wind becoming south southeast 5 to 10 mph in the morning.

Thursday Night

Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph.