Areas of Severe Thunderstorms and Heat This Weekend

Severe thunderstorms today may produce damaging winds, large hail, tornadoes, and flooding over parts of the Plains into the Missouri Valley. On Sunday, scattered severe thunderstorms capable of damaging wind gusts are expected across the Mid-Atlantic vicinity. Hazardous heat will continue in the South, Southwest and central California this weekend building across the Pacific Northwest Sunday. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

77°F

25°C

Humidity	96%
Wind Speed	SE 6 mph
Barometer	30.02 in (1015.9 mb)
Dewpoint	76°F (24°C)
Visibility	8.00 mi
Heat Index	78°F (26°C)
Last update	13 Jun 7:56 am CDT

More Information:

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

Extended Forecast for

2 Miles SSW Lockhart TX

Today
High: 93 °F
Slight Chance
Showers then
Slight Chance
T-storms
Tonight
Low: 76 °F
Partly Cloudy
Sunday
High: 92 °F
Partly Sunny
then Showers
Likely
Sunday Night
Low: 75 °F
Showers
Likely
Monday
High: 85 °F
Showers
Monday Night
Low: 72 °F
Showers
Likely
Tuesday
High: 86 °F
Showers
Likely
Tuesday Night
Low: 73 °F
Mostly Cloudy
Wednesday
High: 91 °F
Partly Sunny

Detailed Forecast

Today

A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 93. Heat index values as high as 101. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Tonight

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

Sunday

A chance of showers and thunderstorms between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 92. Heat index values as high as 103. East southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Showers and thunderstorms likely before 10pm, then a chance of showers between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 75. Southeast wind 5 to 10 mph becoming light south southeast in the evening. Chance of precipitation is 60%.

Monday

Showers and possibly a thunderstorm. High near 85. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 90%.

Monday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 72. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.

Tuesday

Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 86. Northeast wind around 5 mph becoming east southeast in the afternoon. Chance of precipitation is 60%.

Tuesday Night

Mostly cloudy, with a low around 73. South wind around 5 mph.

Wednesday

Partly sunny, with a high near 91. South wind 5 to 15 mph, with gusts as high as 20 mph.

Wednesday Night

Mostly clear, with a low around 77.

Thursday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.

Thursday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.

Juneteenth

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 93.