National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy

27°C

80°F

Humidity 76%
Wind Speed SE 20 km/h
Barometer 1014.7 mb (30.02 in)
Dewpoint 22°C (72°F)
Visibility 16 km
Heat Index29°C (84°F)
Last update 13 Jul 12:51 am CDT
Extended Forecast for

Alamo Heights TX

Flood Watch July 13, 01:11am until July 13, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 13, 01:11am until July 13, 07:00pm

    NOW until 7:00pm Sun

    Flood Watch

  • Overnight

    Low: 25 °C

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly cloudy, 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 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 24. South southeast wind 10 to 15 km/h.

    Low: 24 °C

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 34. Heat index values as high as 38. South southeast wind 5 to 15 km/h. Chance of precipitation is 20%.

    High: 34 °C

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of thunderstorms before 7pm. Mostly cloudy, with a low around 24. South southeast wind 10 to 15 km/h. Chance of precipitation is 10%.

    Low: 24 °C

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 34. South southeast wind 10 to 20 km/h, with gusts as high as 30 km/h.

    High: 34 °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 25. South southeast wind 10 to 15 km/h.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly cloudy, 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 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 24. South southeast wind 10 to 15 km/h.
Monday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 34. Heat index values as high as 38. South southeast wind 5 to 15 km/h. Chance of precipitation is 20%.
Monday Night
A slight chance of thunderstorms before 7pm. Mostly cloudy, with a low around 24. South southeast wind 10 to 15 km/h. Chance of precipitation is 10%.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 34. 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 23. 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, with a high near 36.
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.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alamo Heights TX
 29.48°N 98.45°W (Elev. 797 m)
Last Update:
12:44 am CDT Jul 13, 2025
Forecast Valid:
1am CDT Jul 13, 2025-6pm CDT Jul 19, 2025
 
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