Hazardous Weather Conditions
Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Thunderstorm in Vicinity Light Rain
67°F
19°C
| Humidity | 93% |
| Wind Speed | NE 18 G 24 mph |
| Barometer | 30.10 in (1018.6 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 8.00 mi |
| Last update | 19 May 10:56 pm CDT |
Extended Forecast for
Staples TX
Severe T-storm Watch May 19, 11:10pm until May 20, 01:00am
NOW until 1:00am Wed

Severe T-storm Watch
Tonight

Low: 72 °F
Heavy Rain
Wednesday

High: 84 °F
Chance
T-stormsWednesday Night
Low: 71 °F
Chance
T-storms then
Showers
LikelyThursday

High: 82 °F
Showers
Thursday Night

Low: 70 °F
Showers
LikelyFriday
High: 86 °F
Slight Chance
T-storms then
Chance
T-stormsFriday Night
Low: 71 °F
Chance
T-storms then
Showers
LikelySaturday

High: 82 °F
Showers
Detailed Forecast
Tonight
Showers and thunderstorms likely, mainly before 1am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 72. East wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84. East northeast wind 5 to 10 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm. High near 82. Light south southeast wind increasing to 5 to 10 mph in the morning. 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 70. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 86. South wind 5 to 10 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Saturday
Showers and possibly a thunderstorm. High near 82. South southeast wind around 5 mph. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Low around 69. East southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Memorial Day
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Staples TX
29.77°N 97.83°W (Elev. 499 ft)
29.77°N 97.83°W (Elev. 499 ft)
10:38 pm CDT May 19, 2026
11pm CDT May 19, 2026-6pm CDT May 26, 2026



