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.

Partly Cloudy

101°F

38°C

Humidity 31%
Wind Speed S 7 G 17 mph
Barometer 29.72 in (1005.4 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 11 Sep 4:55 pm CDT
Extended Forecast for

4 Miles NW San Antonio, Stinson Municipal Airport TX

Heat Advisory September 12, 12:00pm until September 12, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 78. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 101. Heat index values as high as 107. South southeast wind 5 to 10 mph.

    High: 101 °F

    Hot

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 79. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 79 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny and hot, with a high near 100. Heat index values as high as 107. Southeast wind 5 to 10 mph.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 77. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 99. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 78. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 78 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 100. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 78. South southeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
Sunny and hot, with a high near 101. Heat index values as high as 107. South southeast wind 5 to 10 mph.
Saturday Night
Increasing clouds, with a low around 79. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, then gradually becoming sunny and hot, with a high near 100. Heat index values as high as 107. Southeast wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 77. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Mostly sunny and hot, with a high near 99. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 78. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny and hot, with a high near 100. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 77. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 98.
Wednesday Night
Partly cloudy, with a low around 77.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 97.
Thursday Night
Partly cloudy, with a low around 77.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW San Antonio, Stinson Municipal Airport TX
 29.37°N 98.53°W (Elev. 646 ft)
Last Update:
6:44 pm CDT Sep 11, 2026
Forecast Valid:
7pm CDT Sep 11, 2026-6pm CDT Sep 18, 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