Southern U.S. Severe Thunderstorm and Flash Flood Threat Sunday; Fire Weather in the West

Isolated to scattered severe thunderstorms may occur Sunday from parts of central and east Texas into the lower Mississippi Valley and Mid-South. Locally heavy rain may cause flash flooding in the lower Mississippi Valley. Elevated to critical fire weather conditions are forecast across parts of northern California and the Southwest again Sunday and Monday. Read More >

Hazardous Weather Conditions

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Partly Cloudy and Breezy

78°F

26°C

Humidity 71%
Wind Speed SE 21 G 32 mph
Barometer 29.81 in (1007.5 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 8 May 9:51 pm CDT
Extended Forecast for

San Antonio International Airport TX

  • Tonight

    Tonight: Increasing clouds, with a low around 73. South southeast wind around 15 mph, with gusts as high as 25 mph.

    Increasing
    Clouds

    Low: 73 °F

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 93. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Gradual
    Clearing

    High: 93 °F

  • Sunday
    Night

    Sunday Night: Increasing clouds, with a low around 73. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Increasing
    Clouds

    Low: 73 °F

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 90. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Mostly Cloudy
    then Chance
    T-storms

    High: 90 °F

  • Monday
    Night

    Monday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 64. East northeast wind around 15 mph, with gusts as high as 25 mph.

    Chance
    T-storms

    Low: 64 °F

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 1pm.  Cloudy, with a high near 80. Southeast wind around 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    T-storms
    Likely

    High: 80 °F

  • Tuesday
    Night

    Tuesday Night: Showers and thunderstorms likely, mainly before 1am.  Mostly cloudy, with a low around 64. East wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%.

    T-storms
    Likely

    Low: 64 °F

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 76. Northeast wind around 15 mph, with gusts as high as 25 mph.

    Chance
    T-storms

    High: 76 °F

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 63. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Slight Chance
    T-storms

    Low: 63 °F

Detailed Forecast

Tonight
Increasing clouds, with a low around 73. South southeast wind around 15 mph, with gusts as high as 25 mph.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 93. South wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Increasing clouds, with a low around 73. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East northeast wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Showers and thunderstorms likely, mainly after 1pm. Cloudy, with a high near 80. Southeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 64. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Northeast wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 62.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Friday Night
Mostly cloudy, with a low around 65.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Click Map For Forecast
Point Forecast:
San Antonio International Airport TX
 29.53°N 98.45°W (Elev. 771 ft)
8:43 pm CDT May 8, 2021
9pm CDT May 8, 2021-6pm CDT May 15, 2021
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database