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.

Partly Cloudy

96°F

36°C

Humidity 54%
Wind Speed SW 7 mph
Barometer 29.73 in (1005.7 mb)
Dewpoint 77°F (25°C)
Visibility 7.00 mi
Heat Index111°F (44°C)
Last update 26 May 4:56 pm CDT
Extended Forecast for

5 Miles WSW Martindale TX

Excessive Heat Warning until May 27, 08:00pm
Click here for hazard details and duration
Excessive Heat Warning
  •  
    Excessive Heat Warning until May 27, 08:00pm

    NOW until 8:00pm Mon

    Excessive Heat Warning

  • This Afternoon

    High: 98 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 76. South wind around 5 mph.

    Low: 76 °F

    Increasing
    Clouds

  • Memorial Day

    Memorial Day: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 115. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon.

    High: 100 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 75. East wind 5 to 10 mph becoming south in the evening.

    Low: 75 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 95. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 95 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 71. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 73. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 73 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 98. Heat index values as high as 113. South wind around 5 mph.
Tonight
Increasing clouds, with a low around 76. South wind around 5 mph.
Memorial Day
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 115. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 75. East wind 5 to 10 mph becoming south in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 95. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 71. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 73. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 74.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 94.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Martindale TX
 29.81°N 97.91°W (Elev. 581 ft)
Last Update:
2:44 pm CDT May 26, 2024
Forecast Valid:
5pm CDT May 26, 2024-6pm CDT Jun 2, 2024
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation