Severe Thunderstorms and Heavy Rain in the Central Plains; Dry Thunderstorms and Critical Fire Weather in the West

Severe thunderstorms and heavy rain may produce large to very-large hail, severe winds, tornadoes and numerous instances of flash flooding across portions of the central Plains. Scattered slow-moving storms will continue to bring a flash flooding threat to the central Gulf Coast. Elevated to critical fire weather conditions are expected across much of the western U.S.. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Thunderstorm Rain Fog/Mist

73°F

23°C

Humidity 90%
Wind Speed W 3 mph
Barometer 29.99 in (1013.5 mb)
Dewpoint 70°F (21°C)
Visibility 4.00 mi
Last update 20 Jun 3:51 am CDT
Extended Forecast for

Olmos Park TX

Flash Flood Warning June 20, 04:49am until June 20, 06:00am
Click here for hazard details and duration
Flash Flood Warning
  •  
    Flash Flood Warning June 20, 04:49am until June 20, 06:00am

    NOW until 6:00am Sat

    Flash Flood Warning

  • Overnight

    Low: 77 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am.  Cloudy, then gradually becoming mostly sunny, with a high near 91. South southeast wind 5 to 10 mph.  Chance of precipitation is 30%.

    High: 91 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 4am.  Mostly cloudy, with a low around 78. Southeast wind 5 to 10 mph.

    Low: 78 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm.  Mostly sunny, with a high near 93. Heat index values as high as 103. South wind 5 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%.

    High: 93 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78. South southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 96. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 78. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Partly Cloudy

  • Tuesday

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

    High: 96 °F

    Mostly Sunny

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Southeast wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Cloudy, then gradually becoming mostly sunny, with a high near 91. South southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 78. Southeast wind 5 to 10 mph.
Sunday
A chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm. Mostly sunny, with a high near 93. Heat index values as high as 103. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 78. South southeast wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 96. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 78. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 96. South southeast wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 76. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 96.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Mostly sunny, with a high near 97.
Thursday Night
Mostly clear, with a low around 75.
Friday
Mostly sunny, with a high near 96.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Olmos Park TX
 29.46°N 98.48°W (Elev. 702 ft)
2:42 am CDT Jun 20, 2026
4am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
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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