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

64°F

18°C

Humidity 58%
Wind Speed N 7 mph
Barometer 29.87 in (1010.6 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 21 Feb 4:53 am CST
Extended Forecast for

3 Miles S San Antonio 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 76. North wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. North northeast wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 43 °F

    Mostly Clear

  • Sunday

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

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. East northeast wind 5 to 10 mph.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67. Northeast wind around 5 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 in the evening.

    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 20 mph.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. South wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 76. North wind 5 to 10 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 northeast wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 66. North northeast wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 40. East northeast wind 5 to 10 mph.
Monday
Sunny, with a high near 67. Northeast wind around 5 mph becoming east southeast in the afternoon.
Monday Night
Mostly clear, with a low around 42. East southeast wind around 5 mph becoming calm in the evening.
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 20 mph.
Tuesday Night
Mostly clear, with a low around 55. South wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 87. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 58.
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
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S San Antonio TX
 29.41°N 98.5°W (Elev. 630 ft)
Last Update:
4:32 am CST Feb 21, 2026
Forecast Valid:
5am CST Feb 21, 2026-6pm CST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation