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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

80°F

27°C

Humidity 79%
Wind Speed NE 8 mph
Barometer 29.92 in (1012.3 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 23 Jul 6:56 am CDT
Extended Forecast for

3 Miles NE Kyle TX

Heat Advisory July 23, 07:37am until July 23, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 23, 07:37am until July 23, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • Today

    High: 99 °F

    Hot

  • Tonight

    Tonight: A 20 percent chance of showers after 10pm. Partly cloudy, with a low around 78. Breezy, with an east northeast wind 5 to 15 mph increasing to 15 to 25 mph after midnight. Winds could gust as high as 30 mph.

    Low: 78 °F

    Slight Chance
    Showers and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 94. Heat index values as high as 100. East wind 5 to 15 mph becoming south in the morning. Winds could gust as high as 20 mph.

    High: 94 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 96. South wind 5 to 10 mph.

    High: 96 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 95. South southwest wind 5 to 10 mph.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. South wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 99. Heat index values as high as 107. Northeast wind 5 to 10 mph, with gusts as high as 25 mph.
Tonight
A 20 percent chance of showers after 10pm. Partly cloudy, with a low around 78. Breezy, with an east northeast wind 5 to 15 mph increasing to 15 to 25 mph after midnight. Winds could gust as high as 30 mph.
Friday
Mostly sunny, with a high near 94. Heat index values as high as 100. East wind 5 to 15 mph becoming south in the morning. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 76. South southeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 96. South wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 74. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 95. South southwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 75. South wind 5 to 10 mph.
Monday
Sunny, with a high near 96. South southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny, with a high near 98.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Mostly sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Kyle TX
 30.02°N 97.84°W (Elev. 702 ft)
Last Update:
6:42 am CDT Jul 23, 2026
Forecast Valid:
7am CDT Jul 23, 2026-6pm CDT Jul 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation