National Weather Service

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A summary of the widespread and catastrophic flooding in Central Texas during the month of July 2025.

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Partly Cloudy

91°F

33°C

Humidity	54%
Wind Speed	S 18 G 26 mph
Barometer	29.83 in (1009.3 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	99°F (37°C)
Last update	18 May 3:56 pm CDT

More Information:

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

Extended Forecast for

5 Miles SSE Wimberley TX

Tonight
Low: 76 °F
Increasing
Clouds
Tuesday
High: 88 °F
Mostly Cloudy
then Slight
Chance
T-storms
Tuesday Night
Low: 70 °F
Heavy Rain
Wednesday
High: 83 °F
Chance
T-storms then
Showers
Likely
Wednesday Night
Low: 71 °F
Showers
Likely
Thursday
High: 81 °F
Showers then
T-storms
Thursday Night
Low: 69 °F
Showers
Likely
Friday
High: 83 °F
Slight Chance
T-storms then
Showers
Likely
Friday Night
Low: 69 °F
Chance
T-storms

Detailed Forecast

Tonight

Increasing clouds, with a low around 76. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.

Tuesday

A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 88. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

Tuesday Night

A slight chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Some of the storms could produce heavy rainfall. Increasing clouds, with a low around 70. Southeast wind 5 to 15 mph becoming east northeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.

Wednesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 83. East northeast wind 5 to 10 mph becoming southeast in the morning. Chance of precipitation is 60%.

Wednesday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. East southeast wind 5 to 10 mph. Chance of precipitation is 70%.

Thursday

Showers and possibly a thunderstorm. High near 81. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

Thursday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. South southeast wind around 5 mph. Chance of precipitation is 70%.

Friday

A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 83. South wind 5 to 10 mph. Chance of precipitation is 60%.

Friday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Southeast wind around 5 mph.

Saturday

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 81. Chance of precipitation is 80%.

Saturday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

Sunday

Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.

Sunday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

Memorial Day

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.