Heat and Severe Thunderstorms in the Eastern U.S.

A widespread heat wave will peak over the South and East today, with several dozen temperature records expected along the East Coast. Heat should begin to ease this weekend in the Northeast, while hazardous heat continues over the South. Severe thunderstorms capable of damaging winds are possible across parts of the Appalachians, Mid Atlantic, and Northeast this afternoon and evening. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy

89°F

32°C

Humidity 59%
Wind Speed SE 9 mph
Barometer 29.94 in (1012.0 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 12 Jun 2:51 pm CDT
Extended Forecast for

Olmos Park TX

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 91. Heat index values as high as 101. Southeast wind around 10 mph.

    High: 91 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 77. South southeast wind 5 to 10 mph.

    Low: 77 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 91. Heat index values as high as 100. Southeast wind 5 to 10 mph.

    High: 91 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 77. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 91. East southeast wind 5 to 10 mph.

    High: 91 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am.  Mostly cloudy, with a low around 76. East southeast wind 5 to 10 mph.  Chance of precipitation is 60%.

    Low: 76 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 7am.  High near 87. South southeast wind around 5 mph.  Chance of precipitation is 80%.

    High: 87 °F

    Showers
    Likely then
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 73. Northeast wind 5 to 10 mph.  Chance of precipitation is 70%.

    Low: 73 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly cloudy, with a high near 86. Northeast wind around 5 mph.

    High: 86 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. Heat index values as high as 101. Southeast wind around 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 77. South southeast wind 5 to 10 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 91. Heat index values as high as 100. Southeast wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 77. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. East southeast wind 5 to 10 mph.
Sunday Night
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Mostly cloudy, with a low around 76. East southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Monday
Showers likely, then showers and possibly a thunderstorm after 7am. High near 87. South southeast wind around 5 mph. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 73. Northeast wind 5 to 10 mph. Chance of precipitation is 70%.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 86. Northeast wind around 5 mph.
Tuesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 74.
Wednesday
Partly sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 78.
Juneteenth
A chance of showers and thunderstorms. Partly sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Olmos Park TX
 29.48°N 98.48°W (Elev. 699 ft)
2:44 pm CDT Jun 12, 2026
4pm CDT Jun 12, 2026-6pm CDT Jun 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database