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.

A Few Clouds

27°C

80°F

Humidity 79%
Wind Speed SE 13 km/h
Barometer 1014.3 mb (30.00 in)
Dewpoint 23°C (73°F)
Visibility 16 km
Heat Index29°C (84°F)
Last update 13 Jul 12:53 am CDT
Extended Forecast for

3 Miles SSE San Antonio TX

Flood Watch July 13, 01:49am until July 13, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 13, 01:49am until July 13, 07:00pm

    NOW until 7:00pm Sun

    Flood Watch

  • Overnight

    Low: 26 °C

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Cloudy through mid morning, then becoming mostly sunny, with a high near 34. Heat index values as high as 38. South wind 10 to 15 km/h. Chance of precipitation is 30%.

    High: 34 °C

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 24. Southeast wind 10 to 15 km/h.

    Low: 24 °C

    Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 35. Heat index values as high as 38. South southeast wind 5 to 15 km/h.

    High: 35 °C

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24. South southeast wind 10 to 15 km/h.

    Low: 24 °C

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 36. South southeast wind 10 to 20 km/h, with gusts as high as 30 km/h.

    High: 36 °C

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24. Southeast wind 15 to 20 km/h, with gusts as high as 30 km/h.

    Low: 24 °C

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36. South southeast wind 10 to 20 km/h, with gusts as high as 35 km/h.

    High: 36 °C

    Mostly Sunny

Detailed Forecast

Overnight
Mostly cloudy, with a low around 26. South southeast wind 10 to 15 km/h.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Cloudy through mid morning, then becoming mostly sunny, with a high near 34. Heat index values as high as 38. South wind 10 to 15 km/h. Chance of precipitation is 30%.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 24. Southeast wind 10 to 15 km/h.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 35. Heat index values as high as 38. South southeast wind 5 to 15 km/h.
Monday Night
Mostly cloudy, with a low around 24. South southeast wind 10 to 15 km/h.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 36. South southeast wind 10 to 20 km/h, with gusts as high as 30 km/h.
Tuesday Night
Mostly cloudy, with a low around 24. Southeast wind 15 to 20 km/h, with gusts as high as 30 km/h.
Wednesday
Mostly sunny, with a high near 36. South southeast wind 10 to 20 km/h, with gusts as high as 35 km/h.
Wednesday Night
Partly cloudy, with a low around 24. South southeast wind 20 to 25 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 35 km/h.
Thursday
Mostly sunny and hot, with a high near 37.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 36.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Mostly sunny, with a high near 36.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE San Antonio TX
 29.41°N 98.48°W (Elev. 646 m)
Last Update:
1:42 am CDT Jul 13, 2025
Forecast Valid:
1am CDT Jul 13, 2025-6pm CDT Jul 19, 2025
 
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