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

Excessive Rainfall in the Southern Plains, Ozarks, and Upper Midwest Thursday

Heavy thunderstorms will continue areas of excessive rainfall and locally considerable flooding over parts of the southern Plains into the mid-Mississippi River Valley through Friday. Heavy to excessive rainfall may bring flash and urban flooding, along with isolated riverine flooding to a part of the Upper Midwest Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Overcast

71°F

22°C

Humidity 94%
Wind Speed NE 5 mph
Barometer 29.93 in (1011.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 12 Jun 8:51 am CDT
Extended Forecast for

San Antonio TX

Flood Watch June 12, 09:33am until June 12, 07:00pm
Flash Flood Warning June 12, 09:33am until June 12, 10:00am
Click here for hazard details and duration
Flood Watch
...
  •  
    Flood Watch June 12, 09:33am until June 12, 07:00pm
    Flash Flood Warning June 12, 09:33am until June 12, 10:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 89 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Tonight

    Tonight: Increasing clouds, with a low around 76. Southeast wind around 5 mph.

    Low: 76 °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 109. South wind 5 to 10 mph.

    High: 94 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Increasing clouds, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 96. South wind 5 to 10 mph.

    High: 96 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. South southeast wind 5 to 10 mph.

    High: 96 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph.

    Low: 76 °F

    Partly Cloudy

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before 1pm. Partly sunny, with a high near 89. Southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Increasing clouds, with a low around 76. 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 109. South wind 5 to 10 mph.
Friday Night
Increasing clouds, with a low around 77. Southeast wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 96. South wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. South southeast wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 96. South wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny, with a high near 97.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.44°N 98.5°W (Elev. 650 ft)
Last Update:
6:42 am CDT Jun 12, 2025
Forecast Valid:
9am CDT Jun 12, 2025-6pm CDT Jun 18, 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