Hazardous Weather Conditions
Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Overcast
72°F
22°C
| Humidity | 87% |
| Wind Speed | S 9 mph |
| Barometer | 30.10 in (1018.5 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Last update | 12 Apr 1:56 am CDT |
Extended Forecast for
5 Miles SSE Wimberley TX
Severe T-storm Watch until April 12, 08:00am
NOW until 8:00am Sun

Severe T-storm Watch
Overnight

Low: 66 °F
Chance
ShowersSunday

High: 77 °F
Severe
ThunderstormsSunday Night

Low: 67 °F
Chance
T-stormsMonday
High: 82 °F
Cloudy then
Chance
T-stormsMonday Night

Low: 66 °F
Mostly Cloudy
Tuesday

High: 82 °F
Mostly Cloudy
Tuesday Night

Low: 66 °F
Mostly Cloudy
Wednesday
High: 82 °F
Cloudy then
Chance
T-storms
Detailed Forecast
Overnight
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 66. South southeast wind around 10 mph, with gusts as high as 20 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and possibly a thunderstorm, mainly before 1pm, then showers and thunderstorms likely after 1pm. Some of the storms could be severe. High near 77. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
A 40 percent chance of showers and thunderstorms before 1am. Cloudy, with a low around 67. South wind around 10 mph, with gusts as high as 20 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. South wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 66. South southeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 82. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 66. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. South wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 67.
Friday
Mostly cloudy, with a high near 87.
Friday Night
Mostly cloudy, with a low around 68.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
5 Miles SSE Wimberley TX
29.92°N 98.07°W (Elev. 1047 ft)
29.92°N 98.07°W (Elev. 1047 ft)
1:44 am CDT Apr 12, 2026
2am CDT Apr 12, 2026-6pm CDT Apr 18, 2026



