Hazardous Weather Conditions
Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Fair
94°F
34°C
| Humidity | 33% |
| Wind Speed | S 15 G 22 mph |
| Barometer | 29.59 in (1001.3 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Heat Index | 94°F (34°C) |
| Last update | 15 Mar 3:56 pm CDT |
Extended Forecast for
5 Miles ENE Fischer TX
Wind Advisory March 15, 04:52pm until March 16, 05:00am
Red Flag Warning March 15, 04:52pm until March 16, 08:00pm
NOW: Multiple hazards in effect

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Tonight

Low: 38 °F
Mostly Clear
and BreezyMonday

High: 56 °F
Mostly Sunny
Monday Night

Low: 34 °F
Mostly Cloudy
Tuesday

High: 66 °F
Sunny
Tuesday Night

Low: 43 °F
Mostly Clear
Wednesday

High: 77 °F
Sunny
Wednesday Night

Low: 50 °F
Mostly Clear
Thursday

High: 85 °F
Sunny
Detailed Forecast
Tonight
Mostly clear, with a low around 38. Breezy, with a north wind 20 to 25 mph, with gusts as high as 45 mph.
Monday
Mostly sunny, with a high near 56. North wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 34. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 66. Light south southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 43. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 77. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 50. South wind around 5 mph.
Thursday
Sunny, with a high near 85. Southwest wind around 5 mph.
Thursday Night
Clear, with a low around 55. South wind around 5 mph.
Friday
Sunny, with a high near 89.
Friday Night
Clear, with a low around 58.
Saturday
Sunny, with a high near 93.
Saturday Night
Clear, with a low around 59.
Sunday
Sunny, with a high near 92.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
5 Miles ENE Fischer TX
30.01°N 98.21°W (Elev. 997 ft)
30.01°N 98.21°W (Elev. 997 ft)
4:48 pm CDT Mar 15, 2026
4pm CDT Mar 15, 2026-6pm CDT Mar 22, 2026



