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 | SE 15 mph |
| Barometer | 29.82 in (1009.0 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Last update | 10 Mar 10:56 pm CDT |
Extended Forecast for
2 Miles WNW San Marcos Municipal Airport TX
Severe T-storm Watch March 10, 11:37pm until March 11, 02:00am
NOW until 2:00am Wed

Severe T-storm Watch
Tonight

Low: 62 °F
Severe
ThunderstormsWednesday
High: 82 °F
Showers
Likely then
Chance
ShowersWednesday Night

Low: 47 °F
Mostly Clear
Thursday

High: 69 °F
Sunny
Thursday Night

Low: 44 °F
Clear
Friday

High: 79 °F
Sunny
Friday Night

Low: 53 °F
Clear
Saturday

High: 86 °F
Sunny
Detailed Forecast
Tonight
A slight chance of showers before 1am, then a chance of showers and thunderstorms between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Some of the storms could be severe. Mostly cloudy, with a low around 62. South wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 82. West northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Mostly clear, with a low around 47. North wind around 15 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 69. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Clear, with a low around 44. East northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 79. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Clear, with a low around 53. South wind around 5 mph.
Saturday
Sunny, with a high near 86. South wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 60. South wind around 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 71.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles WNW San Marcos Municipal Airport TX
29.9°N 97.91°W (Elev. 640 ft)
29.9°N 97.91°W (Elev. 640 ft)
11:32 pm CDT Mar 10, 2026
11pm CDT Mar 10, 2026-6pm CDT Mar 17, 2026



