Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

San Antonio - Kelly Field (KSKF)

Lat: 29.38°NLon: 98.58°WElev: 689ft.

Overcast

82°F

28°C

Humidity 71%
Wind Speed SE 14 mph
Barometer 30.03 in (1016.0 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 16 Aug 12:55 am CDT
Extended Forecast for

3 Miles S San Antonio TX

  • Overnight

    Overnight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am.  Mostly cloudy, with a low around 78. Southeast wind around 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: 78 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am.  Mostly sunny, with a high near 97. Heat index values as high as 105. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 97 °F

    Showers
    Likely then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 10pm.  Partly cloudy, with a low around 78. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 100. Heat index values as high as 106. South southeast wind 5 to 10 mph.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78. Southeast wind 5 to 10 mph.

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 100. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 79. East southeast wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 79 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 100. Calm wind becoming east around 5 mph in the afternoon.

    High: 100 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 78. East wind around 5 mph becoming calm  in the evening.

    Low: 78 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 78. Southeast wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 97. Heat index values as high as 105. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 78. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny and hot, with a high near 100. Heat index values as high as 106. South southeast wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 78. Southeast wind 5 to 10 mph.
Monday
Sunny and hot, with a high near 100. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 79. East southeast wind 5 to 10 mph becoming light and variable after midnight.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 78. East wind around 5 mph becoming calm in the evening.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S San Antonio TX
 29.41°N 98.5°W (Elev. 630 ft)
1:42 am CDT Aug 16, 2025
1am CDT Aug 16, 2025-6pm CDT Aug 22, 2025
 
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Additional Resources

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