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Hazardous Weather Conditions

Current conditions at

San Antonio, Stinson Municipal Airport (KSSF)

Lat: 29.34°NLon: 98.47°WElev: 574ft.

Overcast

82°F

28°C

Humidity 79%
Wind Speed SE 5 mph
Barometer 29.91 in (1011.5 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 12 Sep 8:53 am CDT
Extended Forecast for

Floresville TX

Heat Advisory September 12, 12:00pm until September 12, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 103. Heat index values as high as 108. South wind around 10 mph.

    High: 103 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly clear, with a low around 77. South southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 77 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 102. Heat index values as high as 107. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 102 °F

    Hot

  • Sunday Night

    Sunday 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

  • Monday

    Monday: Sunny and hot, with a high near 101. South southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 101 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 101. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 101 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76. Southeast wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 100. Light east southeast wind increasing to 5 to 10 mph in the morning.

    High: 100 °F

    Hot

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 103. Heat index values as high as 108. South wind around 10 mph.
Tonight
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly clear, with a low around 77. South southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny and hot, with a high near 102. Heat index values as high as 107. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 77. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Sunny and hot, with a high near 101. South southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 77. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 101. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 76. Southeast wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.
Wednesday
Mostly sunny and hot, with a high near 100. Light east southeast wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 98.
Thursday Night
Partly cloudy, with a low around 75.
Friday
Mostly sunny, with a high near 97.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Floresville TX
 29.12°N 98.16°W (Elev. 390 ft)
Last Update:
8:32 am CDT Sep 12, 2026
Forecast Valid:
8am CDT Sep 12, 2026-6pm CDT Sep 18, 2026
 
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