Flooding Threat in Parts of Texas and New Mexico; Heat in the Western U.S.

Heavy to excessive rainfall across parts of central Texas into southern New Mexico may bring areas of flooding into this evening. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Hot temperatures are forecast for the far southwest U.S., parts of California, and the interior northwest U.S. this week. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Thunderstorm Heavy Rain and Windy

73°F

23°C

Humidity 94%
Wind Speed N 33 G 44 mph
Barometer 29.97 in (1013.1 mb)
Dewpoint 71°F (22°C)
Visibility 0.50 mi
Last update 31 Aug 6:51 pm CDT
Extended Forecast for

Castle Hills TX

Flood Watch August 31, 07:07pm until September 1, 12:00pm
Flood Advisory until August 31, 10:00pm
Click here for hazard details and duration
Flood Watch
...
  •  
    Flood Watch August 31, 07:07pm until September 1, 12:00pm
    Flood Advisory until August 31, 10:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 74 °F

    Showers
    Likely then
    Chance
    T-storms

  • Labor Day

    Labor Day: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 90. North wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am.  Mostly cloudy, with a low around 73. Northeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93. Northeast wind around 5 mph.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73. Northeast wind around 5 mph becoming calm.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96. North northwest wind around 5 mph.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71. East northeast wind around 5 mph becoming calm  in the evening.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 96. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 96 °F

    Sunny

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 74. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Labor Day
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 90. North wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 73. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 93. Northeast wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 73. Northeast wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 96. North northwest wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 71. East northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 96. Calm wind becoming south southeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 73. Southeast wind around 5 mph.
Friday
Partly sunny, with a high near 96.
Friday Night
Mostly cloudy, with a low around 73.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Castle Hills TX
 29.53°N 98.51°W (Elev. 869 ft)
6:50 pm CDT Aug 31, 2025
7pm CDT Aug 31, 2025-6pm CDT Sep 7, 2025
 
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Additional Resources

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