Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk through the Weekend on the East Coast; Flash Flooding Concerns in the Southeast and Southwest

A dangerous, record heat wave continues across portions of the West through Tuesday. High rip current risk and dangerous surf continue through the weekend. There are flash flooding concerns through the weekend for portions of the Southeast and Southwest. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy

90°F

32°C

Humidity 44%
Wind Speed Vrbl 3 mph
Barometer 30.01 in (1014.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 23 Aug 12:51 pm CDT
Extended Forecast for

3 Miles NNE Leon Valley TX

  • This Afternoon

    This Afternoon: A slight chance of showers, with thunderstorms also possible after 4pm.  Mostly sunny, with a high near 93. Northeast wind 5 to 10 mph.  Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of thunderstorms before 7pm.  Mostly clear, with a low around 74. East northeast wind 5 to 10 mph becoming light and variable  in the evening.  Chance of precipitation is 10%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 96. Heat index values as high as 100. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 96 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. East wind around 5 mph becoming calm  after midnight.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers after 1pm.  Sunny, with a high near 95. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 95 °F

    Sunny then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph becoming light south southeast  after midnight.

    Low: 75 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 94. Calm wind becoming south southeast around 5 mph in the morning.  Chance of precipitation is 40%.

    High: 94 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 75. East southeast wind around 5 mph.

    Low: 75 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 92. East southeast wind around 5 mph.

    High: 92 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A slight chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 93. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Tonight
A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 74. East northeast wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 10%.
Sunday
Sunny, with a high near 96. Heat index values as high as 100. Calm wind becoming east northeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 74. East wind around 5 mph becoming calm after midnight.
Monday
A 20 percent chance of showers after 1pm. Sunny, with a high near 95. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph becoming light south southeast after midnight.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind becoming south southeast around 5 mph in the morning. Chance of precipitation is 40%.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. East southeast wind around 5 mph.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. East southeast wind around 5 mph.
Wednesday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 74.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Thursday Night
Partly cloudy, with a low around 74.
Friday
Mostly sunny, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Leon Valley TX
 29.55°N 98.61°W (Elev. 955 ft)
12:44 pm CDT Aug 23, 2025
1pm CDT Aug 23, 2025-6pm CDT Aug 29, 2025
 
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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