Unsettled Weather in the Eastern U.S. through Memorial Day

Showers and thunderstorms are expected from Texas to the Northeast through Tuesday. Heavy rain will create mainly localized areas of flash flooding across the central Gulf Coast into the Appalachians. Elevated to Critical fire weather conditions due to gusty winds and low humidity are expected through Tuesday across Oregon and Nevada. Showers and thunderstorms will develop over the Northwest. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy

73°F

23°C

Humidity 90%
Wind Speed E 3 mph
Barometer 29.99 in (1013.6 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 25 May 2:51 am CDT
Extended Forecast for

Alamo Heights TX

  • Overnight

    Overnight: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 89. Calm wind becoming east around 5 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. East wind 5 to 10 mph becoming light  after midnight.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Mostly cloudy, then gradually becoming sunny, with a high near 87. Light and variable wind becoming southeast 5 to 10 mph in the morning.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Some of the storms could produce heavy rainfall.  Low around 68. Southeast wind 5 to 10 mph.  Chance of precipitation is 90%.

    Low: 68 °F

    Showers
    Likely then
    Heavy Rain

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 81. East southeast wind 5 to 10 mph.  Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 71. East wind 5 to 10 mph.

    Low: 71 °F

    Chance
    T-storms

  • Thursday

    Thursday: Partly sunny, with a high near 87. East southeast wind around 5 mph.

    High: 87 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 71. East southeast wind 5 to 10 mph.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 68. Calm wind.
Memorial Day
Mostly sunny, with a high near 89. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 70. East wind 5 to 10 mph becoming light after midnight.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 87. Light and variable wind becoming southeast 5 to 10 mph in the morning.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Some of the storms could produce heavy rainfall. Low around 68. Southeast wind 5 to 10 mph. Chance of precipitation is 90%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. East southeast wind 5 to 10 mph. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 71. East wind 5 to 10 mph.
Thursday
Partly sunny, with a high near 87. East southeast wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 71. East southeast wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 90.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Saturday
Partly sunny, with a high near 91.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Alamo Heights TX
 29.48°N 98.45°W (Elev. 797 ft)
2:46 am CDT May 25, 2026
3am CDT May 25, 2026-6pm CDT May 31, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database