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 and Breezy

86°F

30°C

Humidity 65%
Wind Speed SE 22 mph
Barometer 30.03 in (1014.9 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 13 Jul 6:51 pm CDT
Extended Forecast for

3 Miles NNW Leon Valley TX

Flood Watch July 13, 09:00pm until July 16, 07:00pm
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 1am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 75. Southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 75 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms, mainly between 10am and 1pm. Mostly cloudy, with a high near 87. South southeast wind around 5 mph becoming west in the morning. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 87 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 73. East southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 7am, then showers between 7am and 10am, then showers and possibly a thunderstorm after 10am. High near 84. Southeast wind around 5 mph. Chance of precipitation is 80%.

    High: 84 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 72. East southeast wind around 5 mph. Chance of precipitation is 70%.

    Low: 72 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 87. East southeast wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 87 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 74. East southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 88. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 88 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 74. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 1am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 75. Southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms, mainly between 10am and 1pm. Mostly cloudy, with a high near 87. South southeast wind around 5 mph becoming west in the morning. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 73. East southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and possibly a thunderstorm before 7am, then showers between 7am and 10am, then showers and possibly a thunderstorm after 10am. High near 84. Southeast wind around 5 mph. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 72. East southeast wind around 5 mph. Chance of precipitation is 70%.
Thursday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 87. East southeast wind 5 to 10 mph. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 74. East southeast wind around 10 mph, with gusts as high as 20 mph.
Friday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 88. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 74. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 90.
Saturday Night
Partly cloudy, with a low around 74.
Sunday
Mostly sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Leon Valley TX
 29.55°N 98.64°W (Elev. 935 ft)
Last Update:
6:42 pm CDT Jul 13, 2026
Forecast Valid:
7pm CDT Jul 13, 2026-6pm CDT Jul 20, 2026
 
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