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

Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Hazardous Weather Conditions

Current conditions at

San Antonio - Kelly Field (KSKF)

Lat: 29.38°NLon: 98.58°WElev: 689ft.

A Few Clouds

92°F

33°C

Humidity 53%
Wind Speed SE 8 mph
Barometer 29.58 in (1000.8 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 17 Jun 5:55 pm CDT
Extended Forecast for

3 Miles E Lackland AFB TX

Extreme Heat Warning June 18, 12:00pm until June 18, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Tonight

    Tonight: Mostly clear, with a low around 78. South southeast wind around 10 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 96. Heat index values as high as 110. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 96 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 81. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 81 °F

    Increasing
    Clouds

  • Juneteenth

    Juneteenth: Partly sunny, with a high near 93. Heat index values as high as 103. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 93 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 79. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 79 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 92 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 78. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 78 °F

    Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 95. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78. South southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 78. South southeast wind around 10 mph.
Thursday
Mostly sunny, with a high near 96. Heat index values as high as 110. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Increasing clouds, with a low around 81. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Juneteenth
Partly sunny, with a high near 93. Heat index values as high as 103. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 79. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Saturday
A slight chance of thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 78. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Sunday
Partly sunny, with a high near 95. South wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 78. South southeast wind around 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 97.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Mostly sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Mostly sunny, with a high near 97.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Lackland AFB TX
 29.39°N 98.58°W (Elev. 659 ft)
Last Update:
5:32 pm CDT Jun 17, 2026
Forecast Valid:
6pm CDT Jun 17, 2026-6pm CDT Jun 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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