Hazardous Weather Conditions
Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Thunderstorm in Vicinity
60°F
16°C
| Humidity | 90% |
| Wind Speed | N 20 G 25 mph |
| Barometer | 30.00 in (1015.5 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 7 Mar 4:56 pm CST |
Extended Forecast for
2 Miles WSW San Marcos TX
Severe T-storm Watch until March 7, 11:00pm
NOW until 11:00pm Sat

Severe T-storm Watch
This Afternoon

High: 63 °F
T-storms
LikelyTonight

Low: 54 °F
Severe
ThunderstormsSunday

High: 70 °F
Chance
T-stormsSunday Night
Low: 60 °F
Slight Chance
T-storms then
CloudyMonday

High: 82 °F
Chance
ShowersMonday Night
Low: 67 °F
Mostly Cloudy
then Slight
Chance
ShowersTuesday

High: 83 °F
Chance
ShowersTuesday Night

Low: 62 °F
Showers
Likely
Detailed Forecast
This Afternoon
Showers and thunderstorms likely. Cloudy, with a steady temperature around 63. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 9pm. Some of the storms could be severe. Mostly cloudy, with a low around 54. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 70. North northeast wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Cloudy, with a low around 60. Northeast wind around 5 mph becoming calm in the evening.
Monday
A chance of showers, with thunderstorms also possible after noon. Cloudy, with a high near 82. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Monday Night
A 20 percent chance of showers after midnight. Cloudy, with a low around 67. South southeast wind around 10 mph.
Tuesday
A chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Cloudy, with a high near 83. South wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. South southeast wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers, mainly before noon. Sunny, with a high near 84. Southwest wind 5 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
A 20 percent chance of showers before midnight. Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 71.
Thursday Night
Clear, with a low around 47.
Friday
Sunny, with a high near 79.
Friday Night
Clear, with a low around 56.
Saturday
Mostly sunny, with a high near 86.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
2 Miles WSW San Marcos TX
29.86°N 97.97°W (Elev. 646 ft)
29.86°N 97.97°W (Elev. 646 ft)
4:46 pm CST Mar 7, 2026
5pm CST Mar 7, 2026-6pm CDT Mar 14, 2026



