Thunderstorms and Widespread Rainfall Across the Southern Plains

Isolated severe thunderstorms and widespread showers may produce flash flooding across the Southern Plains through Thursday. Numerous instances of flash flooding are expected in south-central Texas, including portions of the Hill Country; and an additional area across eastern Oklahoma into the Ozarks on Thursday. Heavy rainfall and mountain snow will return to southern California on Thursday. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Mostly Cloudy

81°F

27°C

Humidity	67%
Wind Speed	SE 14 mph
Barometer	30.04 in (1016.5 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	19 Nov 6:56 pm CST

More Information:

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

Extended Forecast for

Lockhart TX

Tonight
Low: 68 °F
Slight Chance
T-storms then
Chance
Showers
Thursday
High: 83 °F
Showers
Likely
Thursday Night
Low: 65 °F
Showers
Likely
Friday
High: 80 °F
Showers
Likely then
Chance
Showers
Friday Night
Low: 61 °F
Chance
Showers
Saturday
High: 77 °F
Chance
Showers then
Chance
T-storms
Saturday Night
Low: 60 °F
Chance
Showers
Sunday
High: 77 °F
Showers
Likely
Sunday Night
Low: 60 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms, then a chance of showers after midnight. Mostly cloudy, with a low around 68. South southeast wind around 10 mph. Chance of precipitation is 30%.

Thursday

Showers likely, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 83. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. East wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Friday

Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Partly sunny, with a high near 80. South southwest wind around 5 mph becoming north in the afternoon. Chance of precipitation is 60%.

Friday Night

A slight chance of showers before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Partly cloudy, with a low around 61. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 30%.

Saturday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 77. North wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 40%.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. East southeast wind around 5 mph. Chance of precipitation is 40%.

Sunday

Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 77. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

Sunday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Southeast wind around 10 mph becoming southwest after midnight.

Monday

Showers likely and possibly a thunderstorm before noon, then a chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 60%.

Monday Night

A 30 percent chance of showers. Mostly clear, with a low around 51.

Tuesday

Sunny, with a high near 73.

Tuesday Night

Mostly clear, with a low around 48.

Wednesday

Mostly sunny, with a high near 69.