Significant Outbreak Of Severe Thunderstorms, Violent Tornadoes, And Heavy Rain In The Plains Today

A potent spring storm system is expected to produce an outbreak of severe weather in parts of the Plains today. Very large hail, damaging winds, flash flooding, and large/violent tornadoes are possible. The area most likely to experience significant tornadoes stretches from the Texas Hill Country through central Oklahoma. Residents should review severe weather safety and heed any warnings. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy and Breezy

31°C

87°F

Humidity 59%
Wind Speed S 37 G 50 km/h
Barometer 1008.2 mb (29.83 in)
Dewpoint 22°C (71°F)
Visibility 13 km
Heat Index34°C (93°F)
Last update 20 May 11:51 am CDT
Extended Forecast for

San Antonio TX

Wind Advisory until May 21, 01:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until May 21, 01:00am

    NOW until
    1:00am Tue

    Wind Advisory

  • This
    Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 33. South southeast wind 25 to 35 km/h, with gusts as high as 55 km/h.

    Slight Chance
    T-storms

    High: 33 °C

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms after 4am.  Increasing clouds, with a low around 24. Southeast wind 25 to 30 km/h decreasing to 20 to 25 km/h after midnight. Winds could gust as high as 50 km/h.

    Partly Cloudy
    then Chance
    T-storms

    Low: 24 °C

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms before 1pm.  Cloudy through mid morning, then gradual clearing, with a high near 33. South wind 10 to 20 km/h becoming west northwest in the afternoon.  New rainfall amounts between 2.5 and 5 mm possible.

    Chance
    T-storms

    High: 33 °C

  • Tuesday
    Night

    Tuesday Night: Increasing clouds, with a low around 22. Southeast wind 10 to 15 km/h.

    Increasing
    Clouds

    Low: 22 °C

  • Wednesday

    Wednesday: Mostly sunny, with a high near 33. South southeast wind 20 to 25 km/h increasing to 25 to 30 km/h in the afternoon. Winds could gust as high as 40 km/h.

    Mostly Sunny

    High: 33 °C

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 24. Southeast wind 25 to 30 km/h, with gusts as high as 40 km/h.

    Partly Cloudy

    Low: 24 °C

  • Thursday

    Thursday: Partly sunny, with a high near 32. South southeast wind 25 to 30 km/h, with gusts as high as 40 km/h.

    Partly Sunny

    High: 32 °C

  • Thursday
    Night

    Thursday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 24. Southeast wind 25 to 30 km/h, with gusts as high as 40 km/h.

    Slight Chance
    T-storms

    Low: 24 °C

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 33. South southeast wind 25 to 35 km/h, with gusts as high as 55 km/h.
Tonight
A 30 percent chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 24. Southeast wind 25 to 30 km/h decreasing to 20 to 25 km/h after midnight. Winds could gust as high as 50 km/h.
Tuesday
A 50 percent chance of showers and thunderstorms before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 33. South wind 10 to 20 km/h becoming west northwest in the afternoon. New rainfall amounts between 2.5 and 5 mm possible.
Tuesday Night
Increasing clouds, with a low around 22. Southeast wind 10 to 15 km/h.
Wednesday
Mostly sunny, with a high near 33. South southeast wind 20 to 25 km/h increasing to 25 to 30 km/h in the afternoon. Winds could gust as high as 40 km/h.
Wednesday Night
Partly cloudy, with a low around 24. Southeast wind 25 to 30 km/h, with gusts as high as 40 km/h.
Thursday
Partly sunny, with a high near 32. South southeast wind 25 to 30 km/h, with gusts as high as 40 km/h.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 24. Southeast wind 25 to 30 km/h, with gusts as high as 40 km/h.
Friday
Partly sunny, with a high near 32. South southeast wind around 25 km/h, with gusts as high as 35 km/h.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Partly sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Partly sunny, with a high near 32.
Click Map For Forecast
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 226 m)
11:44 am CDT May 20, 2019
12pm CDT May 20, 2019-6pm CDT May 26, 2019
 
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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