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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Partly Cloudy

87°F

31°C

Humidity 65%
Wind Speed E 14 mph
Barometer 29.77 in (1006.3 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 16 Jun 4:51 pm CDT
Extended Forecast for

Alamo Heights TX

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. East northeast wind around 10 mph.

    High: 86 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 73. East wind 5 to 10 mph.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 93. Heat index values as high as 105. East wind around 5 mph becoming north northeast in the morning.

    High: 93 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 78. South southeast wind 5 to 10 mph.

    Low: 78 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 96. South southeast wind 5 to 10 mph.

    High: 96 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 80. Southeast wind 10 to 15 mph.

    Low: 80 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 94. East southeast wind 5 to 10 mph.

    High: 94 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. South southeast wind 5 to 10 mph.

    High: 91 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. East northeast wind around 10 mph.
Tonight
Partly cloudy, with a low around 73. East wind 5 to 10 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 93. Heat index values as high as 105. East wind around 5 mph becoming north northeast in the morning.
Wednesday Night
Increasing clouds, with a low around 78. South southeast wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 96. South southeast wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 80. Southeast wind 10 to 15 mph.
Juneteenth
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 94. East southeast wind 5 to 10 mph.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Southeast wind 5 to 10 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. South southeast wind 5 to 10 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 77.
Sunday
Mostly sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 77.
Monday
Mostly sunny, with a high near 95.
Monday Night
Partly cloudy, with a low around 77.
Tuesday
Mostly sunny, with a high near 94.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alamo Heights TX
 29.48°N 98.48°W (Elev. 699 ft)
Last Update:
5:32 pm CDT Jun 16, 2026
Forecast Valid:
5pm CDT Jun 16, 2026-6pm CDT Jun 23, 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