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Hazardous Weather Conditions

Current conditions at

San Antonio, Stinson Municipal Airport (KSSF)

Lat: 29.34°NLon: 98.47°WElev: 574ft.

Mostly Cloudy

81°F

27°C

Humidity 69%
Wind Speed SE 9 mph
Barometer 29.84 in (1009.6 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 22 May 12:53 pm CDT
Extended Forecast for

San Antonio, Stinson Municipal Airport TX

Flood Watch May 22, 07:00pm until May 25, 07:00pm
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 86. South wind around 5 mph.

    High: 86 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 71. Southeast wind 5 to 10 mph.

    Low: 71 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 82. South southeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Chance
    T-storms then
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. East wind 5 to 10 mph becoming light in the evening. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Northeast wind around 5 mph.

    High: 83 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69. East wind 5 to 10 mph becoming light east northeast in the evening.

    Low: 69 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 86. North northeast wind around 5 mph becoming east in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. East wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 86. Light east wind becoming south southeast 5 to 10 mph in the afternoon.

    High: 86 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 86. South wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 71. Southeast wind 5 to 10 mph.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 82. South southeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. East wind 5 to 10 mph becoming light in the evening. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Northeast wind around 5 mph.
Sunday Night
Mostly clear, with a low around 69. East wind 5 to 10 mph becoming light east northeast in the evening.
Memorial Day
Mostly sunny, with a high near 86. North northeast wind around 5 mph becoming east in the afternoon.
Monday Night
Mostly clear, with a low around 70. East wind around 5 mph becoming calm in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 86. Light east wind becoming south southeast 5 to 10 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 72. Chance of precipitation is 70%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
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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:
12:44 pm CDT May 22, 2026
Forecast Valid:
12pm CDT May 22, 2026-6pm CDT May 28, 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