National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

A Few Clouds

100°F

38°C

Humidity 38%
Wind Speed Calm
Barometer 29.89 in (1011.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index108°F (42°C)
Last update 22 Jul 2:56 pm CDT
Extended Forecast for

Uhland TX

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

    NOW until 8:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 102 °F

    Hot

  • Tonight

    Tonight: A slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 82. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 82 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny and hot, with a high near 99. Heat index values as high as 108. North northeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 79. East northeast wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 79 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 94. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 94 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 77. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Saturday

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

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 102. Heat index values as high as 111. East wind around 5 mph.
Tonight
A slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 82. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 20%.
Thursday
Sunny and hot, with a high near 99. Heat index values as high as 108. North northeast wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 79. East northeast wind 5 to 15 mph, with gusts as high as 30 mph.
Friday
Mostly sunny, with a high near 94. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 77. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 96. South wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 75. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 97. South southwest wind around 5 mph.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny, with a high near 98.
Monday Night
Clear, with a low around 76.
Tuesday
Sunny and hot, with a high near 99.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Uhland TX
 29.97°N 97.78°W (Elev. 646 ft)
Last Update:
2:44 pm CDT Jul 22, 2026
Forecast Valid:
3pm CDT Jul 22, 2026-6pm CDT Jul 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation