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

Hazardous Weather Conditions

Current conditions at

San Antonio, Stinson Municipal Airport (KSSF)

Lat: 29.34°NLon: 98.47°WElev: 574ft.

Fair

89°F

32°C

Humidity 48%
Wind Speed S 13 mph
Barometer 29.95 in (1012.6 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 26 Aug 10:53 pm CDT
Extended Forecast for

Elmendorf TX

Heat Advisory August 26, 11:01pm until August 27, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 26, 11:01pm until August 27, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • Tonight

    Low: 77 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 102. Heat index values as high as 108. Calm wind becoming north around 5 mph in the afternoon.

    High: 102 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then a chance of showers after 4am. Partly cloudy, with a low around 77. South southeast wind around 5 mph becoming east in the evening. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers before 7am, then a slight chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 100. Heat index values as high as 107. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 100 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph.

    Low: 76 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 99. Light east southeast wind increasing to 5 to 10 mph in the afternoon.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. South southeast wind 5 to 10 mph.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. Light southeast wind increasing to 5 to 10 mph in the morning.

    High: 99 °F

    Hot

Detailed Forecast

Tonight
Partly cloudy, with a low around 77. South wind 5 to 10 mph.
Thursday
A 30 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 102. Heat index values as high as 108. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms before 1am, then a chance of showers after 4am. Partly cloudy, with a low around 77. South southeast wind around 5 mph becoming east in the evening. Chance of precipitation is 30%.
Friday
A chance of showers before 7am, then a slight chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 100. Heat index values as high as 107. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph.
Saturday
Sunny and hot, with a high near 99. Light east southeast wind increasing to 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 74. South southeast wind 5 to 10 mph.
Sunday
Sunny and hot, with a high near 99. Light southeast wind increasing to 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 75. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Mostly sunny and hot, with a high near 99.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny and hot, with a high near 100.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Elmendorf TX
 29.26°N 98.32°W (Elev. 499 ft)
Last Update:
8:44 pm CDT Aug 26, 2026
Forecast Valid:
11pm CDT Aug 26, 2026-6pm CDT Sep 2, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation