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, Stinson Municipal Airport (KSSF)

Lat: 29.34°NLon: 98.47°WElev: 574ft.

A Few Clouds

99°F

37°C

Humidity	34%
Wind Speed	S 10 mph
Barometer	29.91 in (1011.5 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	103°F (39°C)
Last update	16 Aug 5:53 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles SSE San Antonio TX

Tonight
Low: 78 °F
Chance
T-storms then
Partly Cloudy
Sunday
High: 100 °F
Hot
Sunday Night
Low: 77 °F
Mostly Clear
Monday
High: 100 °F
Hot
Monday Night
Low: 79 °F
Mostly Clear
Tuesday
High: 99 °F
Sunny then
Chance
T-storms
Tuesday Night
Low: 78 °F
Slight Chance
T-storms
Wednesday
High: 98 °F
Sunny then
Chance
T-storms
Wednesday Night
Low: 78 °F
Chance
Showers

Detailed Forecast

Tonight

A 30 percent chance of showers and thunderstorms, mainly between 7pm and 10pm. Partly cloudy, with a low around 78. South southeast wind 5 to 10 mph.

Sunday

Mostly sunny and hot, with a high near 100. Heat index values as high as 104. South wind 5 to 10 mph.

Sunday Night

Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.

Monday

Sunny and hot, with a high near 100. Heat index values as high as 103. Calm wind becoming southeast around 5 mph in the afternoon.

Monday Night

Mostly clear, with a low around 79. East southeast wind around 5 mph becoming calm after midnight.

Tuesday

A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99. Calm wind becoming east around 5 mph in the afternoon.

Tuesday Night

A 20 percent chance of showers and thunderstorms before 1am. 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, with a high near 98. West northwest wind around 5 mph becoming east northeast in the afternoon.

Wednesday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 78. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Thursday

A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 95. Chance of precipitation is 60%.

Thursday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.

Friday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.

Friday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.

Saturday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.