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

Hazardous Weather Conditions

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy

31°C

88°F

Humidity 57%
Wind Speed E 17 km/h
Barometer 1013.1 mb (29.98 in)
Dewpoint 22°C (71°F)
Visibility 16 km
Heat Index34°C (94°F)
Last update 14 Jul 6:51 pm CDT
Extended Forecast for

Kirby TX

Flood Watch July 14, 07:28pm until July 15, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 14, 07:28pm until July 15, 07:00am

    NOW until 7:00am Tue

    Flood Watch

  • Tonight

    Low: 25 °C

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms between 1pm and 4pm. Partly sunny, with a high near 35. Heat index values as high as 39. South southeast wind 10 to 20 km/h, with gusts as high as 30 km/h. Chance of precipitation is 20%.

    High: 35 °C

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 24. Southeast wind 15 to 20 km/h, with gusts as high as 30 km/h.

    Low: 24 °C

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 36. Heat index values as high as 39. South southeast wind 10 to 20 km/h, with gusts as high as 35 km/h.

    High: 36 °C

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 23. South southeast wind 20 to 25 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 35 km/h.

    Low: 23 °C

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 36. South southeast wind 10 to 15 km/h.

    High: 36 °C

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. South southeast wind 10 to 15 km/h.

    Low: 23 °C

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 35. South southeast wind 5 to 15 km/h.

    High: 35 °C

    Mostly Sunny

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 25. Southeast wind 10 to 15 km/h.
Tuesday
A slight chance of showers and thunderstorms between 1pm and 4pm. Partly sunny, with a high near 35. Heat index values as high as 39. South southeast wind 10 to 20 km/h, with gusts as high as 30 km/h. Chance of precipitation is 20%.
Tuesday Night
Increasing clouds, with a low around 24. Southeast wind 15 to 20 km/h, with gusts as high as 30 km/h.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 36. Heat index values as high as 39. South southeast wind 10 to 20 km/h, with gusts as high as 35 km/h.
Wednesday Night
Mostly clear, with a low around 23. South southeast wind 20 to 25 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 35 km/h.
Thursday
Mostly sunny, with a high near 36. South southeast wind 10 to 15 km/h.
Thursday Night
Partly cloudy, with a low around 23. South southeast wind 10 to 15 km/h.
Friday
Mostly sunny, with a high near 35. South southeast wind 5 to 15 km/h.
Friday Night
Partly cloudy, with a low around 24. Southeast wind 10 to 15 km/h.
Saturday
Mostly sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny and hot, with a high near 37.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny and hot, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Kirby TX
 29.46°N 98.4°W (Elev. 699 m)
Last Update:
6:45 pm CDT Jul 14, 2025
Forecast Valid:
7pm CDT Jul 14, 2025-6pm CDT Jul 21, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation