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.

Overcast

27°C

80°F

Humidity 69%
Wind Speed NE 15 km/h
Barometer 1016.0 mb (30.06 in)
Dewpoint 21°C (69°F)
Visibility 16 km
Heat Index28°C (83°F)
Last update 13 Jul 1:51 pm CDT
Extended Forecast for

Alamo Heights TX

Flood Watch July 13, 02:06pm until July 13, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 13, 02:06pm until July 13, 07:00pm

    NOW until 7:00pm Sun

    Flood Watch

  • This Afternoon

    High: 33 °C

    Chance
    T-storms

  • Tonight

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

    Low: 24 °C

    Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 34. Heat index values as high as 39. South southeast wind 5 to 10 km/h.

    High: 34 °C

    Mostly Cloudy
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms 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

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 34. South southeast wind 10 to 15 km/h, with gusts as high as 30 km/h.

    High: 34 °C

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 24. Southeast wind 10 to 15 km/h.

    Low: 24 °C

    Partly 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

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. South southeast wind 10 to 20 km/h, with gusts as high as 30 km/h.

    Low: 23 °C

    Partly Cloudy

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 33. South southwest wind around 10 km/h becoming north northeast. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 24. Southeast wind 10 to 15 km/h.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 34. Heat index values as high as 39. South southeast wind 5 to 10 km/h.
Monday Night
A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 24. Southeast wind 10 to 15 km/h.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 34. South southeast wind 10 to 15 km/h, with gusts as high as 30 km/h.
Tuesday Night
Partly cloudy, with a low around 24. Southeast wind 10 to 15 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 10 to 20 km/h, with gusts as high as 30 km/h.
Thursday
Mostly sunny, with a high near 36. South southeast wind 10 to 15 km/h.
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
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alamo Heights TX
 29.48°N 98.48°W (Elev. 699 m)
Last Update:
1:50 pm CDT Jul 13, 2025
Forecast Valid:
2pm CDT Jul 13, 2025-6pm CDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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