Western Heat Wave

A persistent heat wave will continue to bring dangerously hot temperatures and set new records across much of the Western U.S. through this week. Additionally, there will be elevated to critical fire weather conditions across the Great Basin and into the High Plains and some dry thunderstorms in the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

76°F

24°C

Humidity 85%
Wind Speed W 5 mph
Barometer 30.00 in (1014.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 15 Jun 12:56 am CDT
Extended Forecast for

2 Miles WSW San Marcos TX

  • Overnight

    Overnight: Partly cloudy, with a low around 74. South wind around 5 mph becoming north northwest.

    Partly Cloudy

    Low: 74 °F

  • Tuesday

    Tuesday: Sunny, with a high near 96. Heat index values as high as 104. North northwest wind 5 to 10 mph becoming east northeast in the afternoon.

    Sunny

    High: 96 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 73. East northeast wind 5 to 10 mph becoming light and variable  in the evening.

    Mostly Clear

    Low: 73 °F

  • Wednesday

    Wednesday: Sunny, with a high near 93. Light and variable wind becoming east 5 to 10 mph in the morning.

    Sunny

    High: 93 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 73. East southeast wind 5 to 10 mph becoming southwest after midnight.

    Mostly Clear

    Low: 73 °F

  • Thursday

    Thursday: Sunny, with a high near 95. West northwest wind around 5 mph becoming east in the afternoon.

    Sunny

    High: 95 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 73. East southeast wind 5 to 10 mph becoming south southwest after midnight.

    Mostly Clear

    Low: 73 °F

  • Friday

    Friday: Sunny, with a high near 94. Light and variable wind becoming east 5 to 10 mph in the morning.

    Sunny

    High: 94 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 73. East wind 5 to 10 mph becoming north northeast after midnight.

    Mostly Clear

    Low: 73 °F

Detailed Forecast

Overnight
Partly cloudy, with a low around 74. South wind around 5 mph becoming north northwest.
Tuesday
Sunny, with a high near 96. Heat index values as high as 104. North northwest wind 5 to 10 mph becoming east northeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 73. East northeast wind 5 to 10 mph becoming light and variable in the evening.
Wednesday
Sunny, with a high near 93. Light and variable wind becoming east 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 73. East southeast wind 5 to 10 mph becoming southwest after midnight.
Thursday
Sunny, with a high near 95. West northwest wind around 5 mph becoming east in the afternoon.
Thursday Night
Mostly clear, with a low around 73. East southeast wind 5 to 10 mph becoming south southwest after midnight.
Friday
Sunny, with a high near 94. Light and variable wind becoming east 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 73. East wind 5 to 10 mph becoming north northeast after midnight.
Saturday
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 72.
Sunday
Sunny, with a high near 95.
Sunday Night
Partly cloudy, with a low around 75.
Monday
Mostly sunny, with a high near 97.
Click Map For Forecast
Point Forecast:
2 Miles WSW San Marcos TX
 29.86°N 97.97°W (Elev. 646 ft)
1:05 am CDT Jun 15, 2021
1am CDT Jun 15, 2021-6pm CDT Jun 21, 2021
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database