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

Hazardous Weather Conditions

Current conditions at

San Antonio - Kelly Field (KSKF)

Lat: 29.38°NLon: 98.58°WElev: 689ft.

Fair

101°F

38°C

Humidity 29%
Wind Speed Calm
Barometer 29.89 in (1011.2 mb)
Dewpoint 63°F (17°C)
Visibility 8.00 mi
Heat Index103°F (39°C)
Last update 27 Aug 2:55 pm CDT
Extended Forecast for

Lackland AFB TX

Heat Advisory August 27, 03:14pm until August 27, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 27, 03:14pm until August 27, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 102 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 78. East wind around 5 mph becoming calm after midnight.

    Low: 78 °F

    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 100. Heat index values as high as 109. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 100 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 78. East southeast wind 5 to 10 mph. Chance of precipitation is 10%.

    Low: 78 °F

    Slight Chance
    T-storms then
    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 99. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. South southeast wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 76. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Clear

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Sunny early, then becoming partly sunny and hot, with a high near 102. Heat index values as high as 110. Calm wind becoming northeast around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 78. East wind around 5 mph becoming calm after midnight.
Friday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 100. Heat index values as high as 109. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 78. East southeast wind 5 to 10 mph. Chance of precipitation is 10%.
Saturday
Sunny and hot, with a high near 99. Calm wind becoming east southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.
Sunday
Sunny and hot, with a high near 99. South southeast wind 5 to 10 mph.
Sunday Night
Clear, with a low around 76. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
Sunny and hot, with a high near 99. Southeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Mostly sunny and hot, with a high near 99.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lackland AFB TX
 29.39°N 98.61°W (Elev. 650 ft)
Last Update:
2:46 pm CDT Aug 27, 2026
Forecast Valid:
3pm CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
Forecast Discussion
 
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Additional Resources

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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