Heat and Severe Thunderstorms in the Eastern U.S.

A widespread heat wave will peak over the South and East today, with several dozen temperature records expected along the East Coast. Heat should begin to ease this weekend in the Northeast, while hazardous heat continues over the South. Severe thunderstorms capable of damaging winds are possible across parts of the Appalachians, Mid Atlantic, and Northeast this afternoon and evening. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy

86°F

30°C

Humidity	70%
Wind Speed	Vrbl 7 mph
Barometer	29.99 in (1013.6 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	95°F (35°C)
Last update	12 Jun 11:51 am CDT

More Information:

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

Extended Forecast for

Castle Hills TX

This Afternoon
High: 91 °F
Chance
T-storms
Tonight
Low: 76 °F
Partly Cloudy
Saturday
High: 91 °F
Chance
T-storms
Saturday Night
Low: 77 °F
Mostly Cloudy
Sunday
High: 91 °F
Partly Sunny
then Chance
T-storms
Sunday Night
Low: 75 °F
Chance
T-storms then
Showers
Likely
Monday
High: 87 °F
Showers
Likely then
T-storms
Monday Night
Low: 74 °F
Showers
Likely
Tuesday
High: 87 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

This Afternoon

A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 91. Heat index values as high as 101. Southeast wind around 10 mph. Chance of precipitation is 30%.

Tonight

Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph.

Saturday

A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 91. Southeast wind 5 to 10 mph.

Saturday Night

Mostly cloudy, with a low around 77. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

Sunday

A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Southeast wind 5 to 10 mph.

Sunday Night

A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Mostly cloudy, with a low around 75. East southeast wind 5 to 10 mph. Chance of precipitation is 60%.

Monday

Showers likely, then showers and possibly a thunderstorm after 7am. High near 87. South southeast wind around 5 mph. Chance of precipitation is 80%.

Monday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 74. Northeast wind 5 to 10 mph. Chance of precipitation is 60%.

Tuesday

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87. Northeast wind around 5 mph.

Tuesday Night

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 20%.

Wednesday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.

Wednesday Night

Mostly clear, with a low around 76.