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Hazardous Weather Conditions
Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Fair
96°F
36°C
| Humidity | 49% |
| Wind Speed | Vrbl 5 mph |
| Barometer | 30.01 in (1015.3 mb) |
| Dewpoint | 74°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 107°F (42°C) |
| Last update | 27 Aug 11:56 am CDT |
Extended Forecast for
Kyle TX
Heat Advisory August 27, 12:53pm until August 27, 07:00pm
NOW until 7:00pm Thu
Heat Advisory
This Afternoon
High: 101 °F
Chance
T-stormsTonight
Low: 75 °F
Chance
T-storms then
Slight Chance
ShowersFriday
High: 100 °F
Hot
Friday Night
Low: 75 °F
Mostly Clear
Saturday
High: 99 °F
Hot
Saturday Night
Low: 74 °F
Mostly Clear
Sunday
High: 99 °F
Hot
Sunday Night
Low: 74 °F
Mostly Clear
Detailed Forecast
This Afternoon
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 101. Heat index values as high as 108. West southwest wind around 5 mph becoming calm. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Friday
Sunny and hot, with a high near 100. Heat index values as high as 107. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 75. East southeast wind around 5 mph becoming calm after midnight.
Saturday
Sunny and hot, with a high near 99. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 74. East southeast wind around 5 mph becoming south after midnight.
Sunday
Sunny and hot, with a high near 99. South wind around 5 mph.
Sunday Night
Mostly clear, with a low around 74. Southeast wind 5 to 10 mph.
Monday
Sunny, with a high near 98. South wind around 5 mph.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny, with a high near 98.
Additional Forecasts and Information
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Point Forecast:
Kyle TX
30°N 97.86°W (Elev. 699 ft)
30°N 97.86°W (Elev. 699 ft)
12:46 pm CDT Aug 27, 2026
12pm CDT Aug 27, 2026-6pm CDT Sep 2, 2026
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