National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain From the Plains to the Northeast; Heat Wave Begins

Severe thunderstorms and heavy rainfall are likely across parts of the Northeast, portions of the northern and central Plains, and the Ohio Valley. Portions of northeast Missouri and central Illinois could experience locally significant flash flooding. Dangerously hot conditions are expected in the Central Plains, Lower and Middle Mississippi Valley, and Southeast. Read More >

Current conditions at

San Antonio, Stinson Municipal Airport (KSSF)

Lat: 29.34°NLon: 98.47°WElev: 574ft.

Fair

89°F

32°C

Humidity 55%
Wind Speed SE 14 G 25 mph
Barometer 30.03 in (1015.6 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 20 Jul 12:53 pm CDT
Extended Forecast for

3 Miles SSE San Antonio TX

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 96. Heat index values as high as 101. South southeast wind around 15 mph, with gusts as high as 25 mph.

    High: 96 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 77 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny and hot, with a high near 99. Heat index values as high as 102. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 76. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 98. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 98 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 76. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 99. South wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99. South wind around 5 mph.

    High: 99 °F

    Hot

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 96. Heat index values as high as 101. South southeast wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Partly sunny and hot, with a high near 99. Heat index values as high as 102. South wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 76. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 98. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 76. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny and hot, with a high near 99. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 76. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny and hot, with a high near 99. South wind around 5 mph.
Thursday Night
Mostly clear, with a low around 77.
Friday
Mostly sunny and hot, with a high near 99.
Friday Night
Partly cloudy, with a low around 78.
Saturday
Partly sunny, with a high near 96.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE San Antonio TX
 29.41°N 98.48°W (Elev. 646 ft)
Last Update:
1:10 pm CDT Jul 20, 2025
Forecast Valid:
1pm CDT Jul 20, 2025-6pm CDT Jul 26, 2025
 
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