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.

Overcast with Haze

66°F

19°C

Humidity 78%
Wind Speed N 3 mph
Barometer 29.93 in (1012.8 mb)
Dewpoint 59°F (15°C)
Visibility 5.00 mi
Last update 21 Feb 6:53 am CST
Extended Forecast for

San Antonio, Stinson Municipal Airport TX

Red Flag Warning February 21, 10:00am until February 21, 09:00pm
Click here for hazard details and duration
Red Flag Warning

  • Today

    Today: Mostly sunny, with a high near 77. North wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. North wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. East northeast wind 5 to 10 mph.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67. Northeast wind 5 to 10 mph becoming east southeast in the afternoon.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. East southeast wind around 5 mph becoming calm after midnight.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. Light south wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 77. North wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
Mostly clear, with a low around 43. North wind 15 to 20 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 66. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 39. East northeast wind 5 to 10 mph.
Monday
Sunny, with a high near 67. Northeast wind 5 to 10 mph becoming east southeast in the afternoon.
Monday Night
Mostly clear, with a low around 42. East southeast wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 76. Light south wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 54. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 87. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Sunny, with a high near 88.
Thursday Night
Clear, with a low around 54.
Friday
Sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio, Stinson Municipal Airport TX
 29.32°N 98.47°W (Elev. 581 ft)
Last Update:
7:14 am CST Feb 21, 2026
Forecast Valid:
7am CST Feb 21, 2026-6pm CST Feb 27, 2026
 
Forecast Discussion
 
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