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.

Thunderstorm Heavy Rain Fog

71°F

22°C

Humidity 90%
Wind Speed Vrbl 6 G 38 mph
Barometer 29.88 in (1010.2 mb)
Dewpoint 68°F (20°C)
Visibility 0.50 mi
Last update 12 Jun 3:51 am CDT
Extended Forecast for

3 Miles NNW Leon Valley TX

Flood Watch June 12, 04:09am until June 12, 07:00pm
Flash Flood Warning until June 12, 08:30am
Click here for hazard details and duration
Flood Watch
Flash Flood Warning
  •  
    Flood Watch June 12, 04:09am until June 12, 07:00pm
    Flash Flood Warning until June 12, 08:30am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 72 °F

    Heavy Rain

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 1pm. Some of the storms could produce heavy rainfall. Cloudy, then gradually becoming mostly sunny, with a high near 89. Southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 89 °F

    Heavy Rain
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 75. Southeast wind around 5 mph.

    Low: 75 °F

    Increasing
    Clouds

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 94. Heat index values as high as 108. South wind 5 to 10 mph.

    High: 94 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph.

    Low: 76 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 95. South wind 5 to 10 mph.

    High: 95 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. South southeast wind 5 to 10 mph.

    High: 95 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
Showers and thunderstorms likely. Some of the storms could produce heavy rainfall. Cloudy, with a low around 72. South southeast wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and thunderstorms likely, mainly before 1pm. Some of the storms could produce heavy rainfall. Cloudy, then gradually becoming mostly sunny, with a high near 89. Southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Increasing clouds, with a low around 75. Southeast wind around 5 mph.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 94. Heat index values as high as 108. South wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 95. South wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. South southeast wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny, with a high near 97.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Leon Valley TX
 29.52°N 98.64°W (Elev. 850 ft)
Last Update:
2:42 am CDT Jun 12, 2025
Forecast Valid:
4am CDT Jun 12, 2025-6pm CDT Jun 18, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation