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, Stinson Municipal Airport (KSSF)

Lat: 29.34°NLon: 98.47°WElev: 574ft.

Fair

98°F

37°C

Humidity 34%
Wind Speed E 8 mph
Barometer 29.89 in (1010.6 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 31 Aug 3:53 pm CDT
Extended Forecast for

3 Miles SSE San Antonio TX

Flood Watch until September 1, 12:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until September 1, 12:00pm

    NOW until 12:00pm Mon

    Flood Watch

  • This Afternoon

    High: 95 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 10pm, then a chance of showers and thunderstorms after 10pm.  Mostly cloudy, with a low around 76. Northeast 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.

    Low: 76 °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 91. North wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 91 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers.  Mostly cloudy, with a low around 75. Northeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 95. Northeast wind around 5 mph.

    High: 95 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. East northeast wind around 5 mph becoming calm.

    Low: 75 °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 73. East northeast wind around 5 mph becoming south after midnight.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 95. Heat index values as high as 101. East wind around 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 10pm, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 76. Northeast 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 91. North wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers. Mostly cloudy, with a low around 75. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 95. Northeast wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 75. East 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 73. East northeast wind around 5 mph becoming south after midnight.
Thursday
Sunny, with a high near 97. West southwest wind around 5 mph becoming southeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 75.
Friday
Partly sunny, with a high near 96.
Friday Night
Mostly cloudy, with a low around 75.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE San Antonio TX
 29.41°N 98.48°W (Elev. 646 ft)
3:50 pm CDT Aug 31, 2025
4pm CDT Aug 31, 2025-6pm CDT Sep 7, 2025
 
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