Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms will be possible from the central Plains to the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Interior Alaska and the Four Corners region through Monday. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast with Haze

78°F

26°C

Humidity	93%
Wind Speed	S 9 mph
Barometer	29.89 in (1011.5 mb)
Dewpoint	76°F (24°C)
Visibility	9.00 mi
Heat Index	81°F (27°C)
Last update	22 Jun 6:56 am CDT

More Information:

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

Extended Forecast for

2 Miles WSW San Marcos TX

Today
High: 93 °F
Becoming
Sunny
Tonight
Low: 77 °F
Increasing
Clouds
Tuesday
High: 94 °F
Decreasing
Clouds
Tuesday Night
Low: 75 °F
Increasing
Clouds
Wednesday
High: 94 °F
Sunny
Wednesday Night
Low: 73 °F
Mostly Clear
Thursday
High: 95 °F
Mostly Sunny
Thursday Night
Low: 75 °F
Mostly Clear
Friday
High: 95 °F
Mostly Sunny

Detailed Forecast

Today

Mostly cloudy through mid morning, then gradual clearing, with a high near 93. Heat index values as high as 105. South wind 10 to 15 mph, with gusts as high as 25 mph.

Tonight

Increasing clouds, with a low around 77. South wind 10 to 15 mph, with gusts as high as 25 mph.

Tuesday

Mostly cloudy, then gradually becoming sunny, with a high near 94. Heat index values as high as 103. South wind around 10 mph, with gusts as high as 20 mph.

Tuesday Night

Increasing clouds, with a low around 75. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

Wednesday

Sunny, with a high near 94. South wind around 10 mph, with gusts as high as 20 mph.

Wednesday Night

Mostly clear, with a low around 73. South wind 10 to 15 mph, with gusts as high as 25 mph.

Thursday

Mostly sunny, with a high near 95. South wind 5 to 15 mph, with gusts as high as 20 mph.

Thursday Night

Mostly clear, with a low around 75. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

Friday

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